論文一覧 

・Kosuke Yasuji, Tomo Sakanoue, Fumihiro Yonekawa, Katsuichi Kanemoto
"Visualizing electroluminescence process in light-emitting electrochemical cells."
Nature Communications, 14, 992 (11 pages) (2023). (open), Editor's Highlightに選出 (link)
日刊工業新聞にて掲載(電子記事へのlink)
本学でのプレスリリース(link)

・鐘本勝一
"スピン流で電力を運ぶ？-スピン流伝搬の特異性”
化学 2022年11月号, pp.66-67.

・Kenta Nakahashi, Kohei Takaishi, Takayuki Suzuki, Katsuichi Kanemoto
"Power-Dependent Characteristics of Spin Current Transfer in Metal Bilayer Devices under High-Power Pulse Excitation."
ACS Applied Materials & Interfaces, 14, pp. 21217-21223 (2022).

・Naoya Tajima, Katsuichi Kanemoto
"Time-Resolved Operando Spectroscopy for Dye-Sensitized Solar Cells from Multiple Perspectives."
Journal of Physical Chemistry C, 126, pp. 7535–7541 (2022).

・Kenta Nakahashi, Kohei Takaishi, Takayuki Suzuki, Katsuichi Kanemoto
"Quantifying Power Flow Processes Mediated by Spin Currents."
ACS Applied Electronic Materials, 3, pp. 1663−1670 (2021).ibid., 3, pp. 4254 (2021).

・Katsuichi Kanemoto, Ayato Iida, Kazunori Iwamitsu, Kyohei Higashiyama, Hiroyuki Kumazoe, Ichiro Akai
"Origin of electric field response signals in gate modulation spectroscopy for organic field effect transistors"
Organic Electronics, 87, 105934 (6pages) (2020).

・Ayato Iida, Katsuichi Kanemoto
"Time-resolved operando spectroscopic measurements for organic field effect transistors"
ACS Applied Electronic Materials, 2, pp. 1210-1217 (2020).

・鐘本勝一, 鈴木貴之
"有機半導体素子に対するEDMRおよびODMR" （解説記事）
応用物理, 89-1（1月号）, pp.25-29 (2020).

・Kousuke Iwamoto, Yuto Hayakawa, Shuto Hatanaka, Takayuki Suzuki, and Katsuichi Kanemoto
"Electron−Hole Pairs Generated in the Crystalline Phase of Polymer Diodes Studied by Electrically Detected Magnetic Resonance Techniques"
Journal of Physical Chemistry C, 123, pp. 26116−26123 (2019).

・Katsuichi Kanemoto, Shuto Hatanaka, Takayuki Suzuki
“Correlation between bias-dependent ESR signals and magnetic field effects in organic light emitting diodes”
Journal of Applied Physics 125, 125501 (7pages) (2019).

・Shuto Hatanaka, Keigo Kimura, Takayuki Suzuki, and Katsuichi Kanemoto
“Exploring the behavior of electron-hole pairs in working organic light emitting diodes”
Physical Review Materials 2, 115201 (6pages) (2018). (repository link)

・Katsuichi Kanemoto, Shuto Hatanaka, Keigo Kimura, Yujiro Ueda, Hidenobu Matsuoka, “Field-induced dissociation of electron-hole pairs in organic light emitting diodes monitored directly from bias-dependent magnetic resonance techniques”
Physical Review Materials 1, 022601(R) (6pages) (2017). (repository link)

・Katsuichi Kanemoto, Daichi Takatsuki, Hitomi Nakatani, Shinya Domoto, “Simultaneous Monitoring of Photoinduced Absorption Signals and Short-Circuit Photocurrent during Photoexcitation in Dye-Sensitized Solar Cells”,
Journal of Physical Chemistry C, 121, pp. 12624-12630 (2017).

・Katsuichi Kanemoto, Takahiro Takahashi, and Hideki Hashimoto“Determining internal screening electric field of working polymer light emitting diodes”
Applied Physics Letters 109, 013301 (5pages) (2016)

・Takahiro Takahashi, Katsuichi Kanemoto,“Spectroscopic observation of triplet exciton dynamics during operation in polymer light emitting diodes”
Molecular Crystals and Liquid Crystals, 629, pp.224-228 (2016).

・Katsuichi Kanemoto, Takayuki Nakajima, “Displacement Current Induced by Electron Spin Resonance in Organic Semiconductor”
Molecular Crystals and Liquid Crystals, 622, pp.129-133 (2015).

・Takahiro Takahashi, Katsuichi Kanemoto, Mariko Kanenobu, Yuta Okawauchi, Hideki Hashimoto, “Direct monitoring of bias-dependent variations in the exciton formation ratio of working organic light emitting diodes.”
Scientific Reports, 5, 15533 (2015).Open Access

・Katsuichi Kanemoto, Hitomi Nakatani, Shinya Domoto, “Determination of photocarrier density under continuous photoirradiation using spectroscopic techniques as applied to polymer: fullerene blend films.”
Journal of Applied Physics, 116, 163103-1-7(2014).

・ Katsuichi Kanemoto, Shinya Domoto, Hideki Hashimoto, “Origin of Stark Signals Induced by Continuous Photoirradiation for Working Dye-Sensitized Solar Cells Revealed by Photoinduced Absorption Measurements.”
Journal of Physical Chemistry C 118, 17260-17265 (2014).

・K. Kanemoto, Y. Ohta, S. Domoto, H. Hashimoto, “Charge Injection Process in Polymer: Fullerene Composite Diodes Studied by Spectroscopic Techniques Combined with Bias Application”
Organic Electronics, 15, pp.1958-1964 (2014).

・Katsuichi Kanemoto, and Shinya Domoto, “Spectroscopic investigations on Stark components observed in photoinduced absorption measurements for dye-sensitized solar cells”
Thin Solid Films 554, pp.226-229 (2014).

・K. Kanemoto, S. Domoto, Y. Ohta, A. Ogata, H. Hashimoto, “Spectroscopic investigation of charge injection process in the bulk-heterojunction P3HT:PCBM solar cell”
Physica Status Solidi (c), 9, 2395-2398 (2012).

・ K. Kanemoto, H. Matsuoka, Y. Ueda, K. Takemoto, K. Kimura, H. Hashimoto “Displacement current induced by spin resonance in air-treated conjugated polymer diodes”
Physical Review B, 86, pp.125201-1-5 (2012).

・ K. Kanemoto, A. Fukunaga, M. Yasui, D. Kosumi, H. Hashimoto, H. Tamekuni, Y. Kawahara, Y. Takemoto, J. Takeuchi, Y. Miura, Y Teki, “Ultrafast photoexcitation dynamics of pi-conjugated bodipy-anthracene-radical triad system: electron transfer, energy transfer and charge-separated ion-pair state toward a uniquely electron-polarized photo-excited quartet state”,
RSC Advances, 2, pp. 5150-5153 (2012).

・ K. Kanemoto, M. Yasui, T. Higuchi, D. Kosumi, I. Akai, T. Karasawa, and H. Hashimoto, “Spectroscopic investigation of excitons, photocarriers and bias-induced carriers in regioregular poly(3-alkylthiophene)"
Physical Review B83, 205203-1-7 (2011). (repository link)

・K. Kanemoto, M. Yasui, D. Kosumi, M. Sugisaki, T. Karasawa H. Hashimoto, “Morphology dependent exciton formation in regioregular poly(3-alkyl)thiophenes",
Physica Status Solidi (c) 8, pp. 88-91 (2011).

・D. Kosumi, S. Maruta, R. Fujii, K. Kanemoto, M. Sugisaki, H. Hashimoto, “Ultrafast Excited State Dyanmics of Monomeric Bacteriochlorophyll a”
Physica Status Solidi (c) 8, pp. 92-95 (2011).

・K. Kanemoto, A. Ogata, N. Inoue, T. Kusumoto, H. Hashimoto, I. Akai, and T. Karasawa, “Direct optical probing of negative carriers from an operating [6,6]-phenyl C61 butyric acid methyl ester diode"
Applied Physics Letters, 97, pp.033307-1-3 (2010).

・K. Kanemoto, N. Mizutani, K. Muramatsu, H. Hashimoto, M. Baba, J. Yamauchi “ESR Investigations on Doped Conjugated Polymers Diluted in a Solid Matrix”
Chemical Physics Letters, 494, pp. 41-44 (2010).

・K. Kanemoto, M. Yasui, D. Kosumi, A. Ogata, M. Sugisaki, T. Karasawa, I. Akai, and H. Hashimoto,“Morphology dependent carrier and exciton generations in regioregular poly(3-hexylthiophene) polymer diodes as revealed by bleaching spectroscopy
Physical Review Letters, 103, pp.187402-1-4 (2009). (repository link)

・A. Ito, D. Sakamaki, H. Ino, A. Taniguchi, Y. Hirao, K. Tanaka, K. Kanemoto, T. Kato, “Polycationic States of Oligoanilines Based on Wurster's Blue"
European Journal of Organic Chemistry, vol. 26, pp.4441-4450 (2009).

・K. Kanemoto, I. Akai, M. Sugisaki, H. Hashimoto, T. Karasawa, N. Negishi, Y. Aso　"Temperature effects on quasi-isolated conjugated polymers as revealed by temperature-dependent optical spectra of 16-mer oligothiophene diluted in a sold matrix"
Journal of Chemical Physics,130, pp.234909-1-7 (2009).

・K. Kanemoto, M. Sugisaki, H. Hashimoto, I. Akai, T. Karasawa, N. Negishi, and Y. Aso ” Intrachain Photoluminescence Dynamics of a Long Oligothiophene at Room Temperature”
Journal of Luminescence, 129, pp.1845-1848 (2009).

・K. Kanemoto, M. Sugisaki, M. Fujiwara, T. Karasawa, H. Hashimoto
“Ultrafast coherent vibronic oscillations in regioregular poly(3-alkylthiophene)”
physica status solidi (c) 6, pp. S46-S49 (2009). 表紙に掲載

・I. Akai, K. Miyanari, T. Shimamoto, A. Fujii, H. Nakao, A. Okada, K. Kanemoto, T. Karasawa, A. Ishida, A. Yamada, I. Katayama, J. Takeda, and M. Kimura, “Rapid energy transfer and its temperature dependence in pi-conjugated dendrimers"
physica status solidi (c) 6, pp.77-80 (2009).

・K. Kanemoto, I. Akai, H. Hashimoto, T. Karasawa, N. Negishi, Y. Aso
“Temperature dependence of intrachain photoluminescence of a long oligothiophene"
physica status solidi (c) 6, pp.193-196 (2009).

・“Rapid energy transfer in a dendrimer having conjugated light-harvesting antennas",
I. Akai, K. Miyanari, T. Shimamoto, A. Fujii, H. Nakao, A. Okada, K. Kanemoto, T. Karasawa, H. Hashimoto, Ishida, A. Yamada, I. Katayama, J. Takeda, and M. Kimura,
New Journal of Physics, 10, pp.125024-1-22 (2008).

・“Polaron dynamics of heavily doped regioregular and regiorandom poly(3-alkylthiophenes) revealed by electron spin resonance spectroscopy"
K. Kanemoto, K. Muramatsu, M. Baba, J. Yamauchi
Journal of Physical Chemistry B, 112, pp.10922-10926 (2008).

・“Energy transfer dynamics in wire-type dendrimers having oligophenylene peripheries.”
I. Akai, M. Higuchi, K. Kanemoto, T. Karasawa, H. Hashimoto, M. Kimura,
Journal of Luminescence, 128, pp.948-951 (2008).

・“Time-frequency two-dimensional mapping of rapid energy transfer in light-harvesting starshaped dendrimers.”
A. Ishida, Y. Makishima, A. Okada, I. Akai, K. Kanemoto, T. Karasawa, M. Kimura, J. Takeda,
Journal of Luminescence, 128, pp.771-773 (2008).

・“Intrachain Photoluminescence Dynamics of MEH-PPV in the Solid State"
K. Kanemoto, Y. Imanaka, I. Akai, M. Sugisaki, H. Hashimoto, T. Karasawa
Journal of Physical Chemistry B, 111, pp.12389-12394 (2007).

・“Polaron dynamics in two types of long oligothiophenes revealed by Q- and X-band ESR measurements"
K. Kanemoto, K. Furukawa , N. Negishi , Y. Aso , T. Otsubo
Physical Review B 76, 155205-1-8 (2007). (repository link)

・“Morphology dependence of excitonic energy transfer in lightharvesting dendrimers having benzyl ether-type peripheries"
I. Akai, T. Kato, K. Kanemoto, T. Karasawa, M. Ohashi, S. Shinoda, and H. Tsukube
physica status solidi (c) 3, 3420?3425 (2006).

・“Depression of excitonic energy transfer by freezing molecular vibrations in meta-linked branching dendrimers"
I. Akai, T. Kato, A. Okada, K. Kanemoto, T. Karasawa, M. Kimura, M. Ohashi, S. Shinoda, and H. Tsukube
Physica Status Solidi (c) 3, 3414?3419 (2006).

・Intrachain photoluminescence properties of conjugated polymers as revealed by long oligothiophenes and polythiophenes diluted in an inactive solid matrix
K. Kanemoto, T. Sudo, I. Akai, H. Hashimoto, T. Karasawa, Y. Aso, T. Otsubo
Phys. Rev. B73, pp.235203-1-11 (2006). (repository link)

・Quenching of energy transfer by freezing molecular vibrations in light-harvesting small dendrimer
I. Akai, A. Okada, K. Kanemoto, T. Karasawa, H. Hashimoto, M. Kimura
J. Lumin., 119-120, pp.283-287 (2006).

・Effect of the dilution in polypropylene on photophysical properties of poly(3-alkylthiophenes)
K. Kanemoto, M. Shishido, T. Sudo, I. Akai, T. Karasawa, Y. Agari
Synth. Met., 155, pp.162-167 (2005).

・Rapid energy transfer in light-harvesting small dendrimers
I. Akai, H. Nakao, K. Kanemoto, T. Karasawa, H. Hashimoto, M. Kimura
J. Lumin. 112 pp.449-453, (2005).

・Structure Study and Luminescence Thermochromism in Hexanuclear 6-Methyl-2-Pyridinethiolato Copper(I) Crystals
H. Xie, I. Kinoshita, T. Karasawa, K. Kimura, T. Nishioka, I. Akai, K. Kanemoto,
J. Phys. Chem. B 109 pp.9339-9345, (2005).

・Concentration-dependence of photoluminescence properties in polythiophene diluted in an inactive polymer matrix
K. Kanemoto, M. Shishido, T. Sudo, I. Akai, H. Hashimoto, T. Karasawa,
Chem. Phys. Lett. 402 pp.549-553, (2005).

・Quantum-Disk Excitons and Their Interaction with Phonons in BiI3
D. Kim, T. Karasawa, T. Iida, T Komatsu,
J. Phys. Soc. Jpn 74 pp.1309-1319, (2005).

・Photocalorimetric study on nonradiative relaxation processes and photoluminescence quantum yields in Alq3 single crystals
I. Akai, K. Harai, K. Kouno, T. Karasawa
J. Lumin. 108, pp.11-14 (2004).

・Luminescence processes of hexanuclear methylpyridinethiolato-copper (I) crystals
H. Xie, M. Tougezaka, S. Oishi, I. Kinoshita, K, Kanemoto, I. Akai, T. Karasawa
J. Lumin. 108, pp.91-95 (2004).

・Luminescence of Stepped Quantum Wells in GaAs/GaAlAs and InGaAs/GaAs/GaAlAs Structures
V. F. Agekyan, Yu. A. Stepanov, I. Akai, T. Karasava, L. E. Vorob'ev, D. A. Firsov, A. E. Zhukov, V. M. Ustinov, A. Zeilmeyer, S. Shmidt, S. Hanna, E. Zibik,
Semiconductors 38, pp. 565-571, (2004).

・A Bindschedler's Green-Based Arylamine: Its Polycations with High-Spin Multiplicity
A. Ito, H. Ino, Y. Matsui, Y. Hirao, K. Tanaka, K. Kanemoto, T. Kato
J. Phys. Chem. A, 108, pp.5715-5720 (2004).

・ESR Studies on Polarons in Long Oligothiophenes
K. Kanemoto, T. Kato, Y. Aso, T. Otsubo
Phys. Rev., B68, pp.092302-1-092302-4 (2003).

・Morphology and Optical Spectra of Metal Iodate Microcrystals
V. F. Agekyan, I. Akai, and T. Karasawa
Physics of the Solid State, 45, pp.1170-1176 (2003).

・Dynamical Processes of High-Density Excitons in GaSe Crystals
A. Tanji, H. Xie, I. Akai, T. Karasawa, V. F. Aguekian
J. Phys. Soc. Jpn. 72, pp.2646-2655 (2003).

・Spatial Evolution of Inelastic Scattering of High-Density Excitons in GaSe Crystals
A. Tanji, I. Akai, T. Karasawa, and V. F. Aguekian
J Lumin. 94-95 pp. 365-368, (2002).

・Dynamical processes on high density indirect and direct Excitons in AlxGa1-xAs/AlAs quantum wires
K. Bando, I. Akai, T. Karasawa, K. Maehashi, H. Nakashima
J Lumin. 94-95 pp. 389-392, (2002).

・Coherent Motion of High-Density Exciton Masses at a Quasi Two-Dimensional Interface in BiI3
Y. Shirasaka, A. Tanji, I. Akai, T. Karasawa
J Lumin. 94-95 pp. 433-436, (2002).

・Nonlinear Luminescence of Excitons in HgI2 Microcrystallites on Porus Polymers
I. Akai, A. Yamamoto, T. Karasawa, V. F. Aguekian
Nonlinear Optics 29 pp.345--350 (2002).

・Anisotropic Diffusion Behavior of Quasi-one Dimensional Excitons in Al0.2Ga0.8As/AlAs Quantum Wires
K. Bando, I. Akai, T. Karasawa, K. Maehashi, H. Nakashima
Nonlinear Optics 29 pp.197--202 (2002).

・Multiple Exciton Interaction in Condensates of Excitons at a Stacking Fault Interface in BiI3
A. Tanji, I. Akai, T. Karasawa
Nonlinear Optics 29 pp.339--344 (2002).

・Optical Properties of Hexanuclear 6-Methylpyridinethiolato-Copper (I) Crystals
H. Xie, M. Tougezaka, I. Kinoshita, K, Kanemoto, I. Akai, T. Karasawa
Nonlinear Optics 29 pp.647--654 (2002).

・High-density effects on the exciton systems and their dynamical behavior in AlxGa1-xAs/AlAs Quantum Wires
K. Bando, I. Akai, T. Karasawa, K. Maehashi, H. Nakashima
Phase Transition 75, pp.1011-1018 (2002).

・Photo-Induced High-Density Phases of Exciton-Polariton Masses and Their Coherent Propagation at Stacking Fault Interface in BiI3
T. Karasawa, A.Tanji, I.Akai
Phase Transition 75, pp.707--714 (2002).

・High Density Excitation Effects on Excitons and Electron-Hole Pairs in AlxGa1-xAs/AlAs Quantum Wires
K. Bando, I. Akai, T. Karasawa, K.Inoue, H. Nakashima
International Journal of Modern Physics B 15 pp.3757-3761 (2001).

・Photoluminescence and Dynamics of Excitons in Alq3 Single Crystals
Y. Kawasumi, I. Akai, T. Karasawa
International Journal of Modern Physics B 15 pp.3825-3828 (2001).

・Spatial Behavior of Exciton-Polariton Masses in a Layered Crystal BiI3 (invited)
Y. Shirasaka, H. Mino, T. Kawai, I. Akai, T. Karasawa
International Journal of Modern Physics B 15 pp.3960-3964 (2001).

・Ramman Scattering under Hydrostatic Pressure in Layered AsI3 Crystals
A.Saitoh, T.Komatsu, T.Karasawa
phys. stat. sol. (b) 221, pp.573-581 (2000).

・Spatial Evolution of Correlated Exciton Polaritons and Their Detection by Use of Four-Wave-Mixing Signals
T. Karasawa, H. Mino, M. Yamamoto
J. Lumin., 87-89, pp.174-178 (2000)

・Exciton Transitions of Hexagonal CuI Microcrystallites Grown on Polymers
A. Tanji, I. Akai, K. Kojima, T. Karasawa, T. Komatsu
J. Lumin., 87-89, pp. 516-518(2000)

・Space-Resolved Luminescence and Degenerate Four-Wave-Mixing Spectra of Heavily Photo-Created Exciton States in a Layered Crystal GaSe
M. Yamamoto, H. Mino, I. Akai, T. Karasawa, V.F. Aguekian
J. Lumin., 87-89, pp. 275-277(2000)

・Anormalous Behavior of The High Density Excitons and Their Nonlinear Optical Response in a Quasi Two-Dimensional Space in Layered Crystal BiI3
H. Mino, M. Yamamoto, T. Kawai, I. Akai, T. Karasawa
J. Lumin., 87-89, pp. 278-280(2000)

・Exciton-Phonon Interaction and Conversion of Excitons from the Free to Self-Trapped States in Layered Metal Iodide Crystals under Hydrostatic Pressures
A. Saitoh, T. Komatsu, T. Karasawa
J. Lumin., 87-89, pp. 633-635(2000)

・Optical Properties of AlxGa1-xAs/AlAs Quantum Wires under High Density Excitation
K. Bando, I. Akai, T. Karasawa, K.Inoue, H. Nakashima
Memories of The Institute of Scientific and Industrial Research, Osaka University, Special Issue, 57, pp. 281-282(2000)

・A Study of Hight Density Excitons and their Spatial Correlation in a Two-Dimensional Space of a Planar Defect in BiI3
H. Mino, T. Kawai, I. AKai, T. Karasawa
Proceedings of the Third International Conference on Excitonic Processes in Condensed Matter, the Electrochemical Society, Inc., Proceedings 98-25, Editors: R. T. Williams, W. M. Yen, ISBN 1-56677-219-2, pp.304-309, (1999)

・An Approach to The Exciton Magnetic Polaron Bifurcation Problem Studied in Cd1-xMnxTe-CdTe- Cd1-yMgyTe Asymmetric Single Quantum Wells
S. Takeyama, Y. G. Semenov, T. Karasawa, G. Karczewski, T. Wojtowicz, J. Kossut
J. Crystal Growth 184/185, pp.907-911, (1998)

・Exciton Magnetic Polaron Localization Dynamics in Bulk Cd1-xMnxTe
S. Takeyama, Y. Takagi, T. Karasawa, V. F. Aguekian
J. Crystal Growth 184/185 pp.917-920, (1998)

・Spatial Propagation of Quasi Two-Dimensional Excitons in a Layered Crystal BiI3 under the High-Density Excitation
H. Mino, T. Kawai, I.Akai, T.Karasawa
J. Lumin., 76 & 77 pp.109-112, (1998)

・Effect of Vertical Transport on Superlattice Luminescence in the Presence of an in-plane Magnetic Field
V. F. Aguekian, B. S. Monozon, C. A. Bates, J. L. Dunn, T. Komatsu, N. Miura, and K. Uchida
Phys. Rev. B56 pp.1479-1485, (1997)

・Coherent and InCoherent Transport Properties of Excitons at High Density at a Quasi Two-Dimensional Space of a Stacking Disorder Interface in a Layered Crystal BiI3
T. Karasawa, T. Kawai, I. Akai, and T.Komatsu
J. Lumin. 72-74 pp.876-878, (1997)

・On The Possibility of Real Exciton Free-Magnetic Polarons in Two-Dimensional Diluted Magnetic Semiconductors
S. Takeyama, T. Karasawa, G. Karczewski, T. Wojtowicz, J. Kossut
Nonlinear Optics 18 pp.199-206, (1997)

・Coherent and In-Coherent Transport Properties of Excitons at High Density at a Quasi Two-Dimensional Space of a Stacking Disorder Interface in a Layered Crystal BiI3
T.Karasawa, T.Kawai, I.Akai, T.Komatsu
J. Lumin. (1996)

・Confined Exciton States and Their Dynamical Behavior at Low Dimensional Spaces in a Layered Crystal BiI3
T.Karasawa
Proceedings of The 6th International Symposium of Institute of Natural Sciences on the Optical Properties of Semiconductors, (Seoul,Korea), (1996)

・Intraband Energy Relaxation of Hot Exciton in a Quasi Two-Dimensional System in BiI3
M.Ichida,T.Kawai, T.Karasawa
J.Phys.Soc.Jpn. 65 p.1820-1825, (1996)

・Exciton Transitions in Size-Distributed BiI3 Microcrystallites Embedded in CdI2 Crystals
D.G.Kim, T.Karasawa, T.Komatsu, T.Kobasyashi
J.Phys.Soc.Jpn. 65 p.3371-3378, (1996)

・Exciton Transitions and Exciton-Phonon Interaction in Nanostructures of Layered Metal Tri-Iodide
D. Kim, T. Karasawa, I. Akai, T. Komatsu
Proceedings of the 2nd Int. Conf. on Excitonic Processes in Cond. Matter p.139-142, (1996)

・Exciton Transitions in Growth-Rate Controlled Thin Films and Heterostructures Made of Layered Semiconductors
I. Akai, D. Kim, T. Karasawa, T. Komatsu
Proceedings of the 2nd Int. Conf. on Excitonic Processes in Cond. Matter p.131-134, (1996)

・Optical Properties of Nanostructures in Layered Metal Tri-Iodide Crystals
T. Komatsu, T.Karasawa, I. Akai, T.Iida
J. Lumin. 70 p.448-467, (1996)

・Size Effects of Excitons of BiI3 in Layered Matrices
T. Komatsu, D. Kim, T. Kobayashi, K. Watanabe, V. F. Aguekian, T. Karasawa, I. Akai, T. Iida
Surf. Rev. Lett. 3 p.1127-1131, (1996)

・Space- and Time-Resolved Study of the Nonlinear Optical Responses on the Exciton in a Quasi Two Dimensional System in BiI3
T. Karasawa, I. Akai, T. Kawai, H. Kondo, H. Mino, T. Komatsu
Prog. Cryst. Growth & Characterization Materials 33 p.97-100, (1996)

・Exciton Free Magnetic Polarons with 3-Dimensional Kinetic Motion in Cd1-xMnxTe
S.Takeyama, S.Adachi, Y.Takagi, T.Karasawa, V.F.Aguekian
Proceedings of the 23th International Conf. on the Physics of Semiconductors (Berlin, Germany), (1996)

・Optical Spectra in The BiI3/CdI2:Cryolite Heterostructures
I. Akai, T. Karasawa, T. Komatsu
Proceedings of The 2nd Asia Symposium on Condensed Matter Photophysics, p.157-160, (1996)

・Exciton Transitions and Thier Relaxation Processes in Layered Semiconductors GaS
F. Yasuhara, T. Karasawa, I. Akai, T. Komatsu, V. F. Aguekian
Proceedings of The 2nd Asia Symposium on Condensed Matter Photophysics, p.161-164, (1996)

・Dynamical and Spatial Behavior of Quasi Two Dimensional Excitons in a Layered Crystal BiI3 under High Density Exciation
H. Mino, T. Kawai, I. Akai, T. Karasawa, T. Komatsu
Proceedings of The 2nd Asia Symposium on Condensed Matter Photophysics, p.169-172, (1996)

・Optical Spectra of Lead Iodide Microcrystals in Porous Glass Matrix
V. F. Aguekian, A. Serov, T. Komatsu, T. Karasawa, I. Akai
Proceedings of The 2nd Asia Symposium on Condensed Matter Photophysics, p.173-176, (1996)

・Production of Nanoscale Particles of the Metal Embedded onto the Semiconductor Surface and Their Enhancement of the Photocatalytic Activity
H. Doi, T. Komatsu, T. Karasawa, I. Akai, T. Kobayashi, Y. Okamoto
Proceedings of The 2nd Asia Symposium on Condensed Matter Photophysics, p.177-180, (1996)

・Polarization Characteristics of Excitons Localized at Stacking Fault in BiI3 Layered Crystals
T.Komatsu, T.Iida, I.Akai, T.Aikami, V.F.Agekyan
Phys. Solid State 37 p.1332-1337 (1995)

・Dynamical Process of Excitons under Magnetic Fields in GaAs/(AlGa)As Superlattice
T.Komatsu, E.Kawahata, T.Karasawa, I.Akai, V.F.Aguekian, M.Nakayama, K.Uchida, N.Miura
J. Lumin., 66&67 p.468-472, (1995)

・Lateral Transport and Dynamical Behavior of Quasi Two-Dimensional Excitons at High Density along a Stacking Disorder Plane in Layered BiI3
H.Kondo, T.Kawai, T.Karasawa, I.Akai, T.Komatsu
J. Lumin., 66&67 p.448-452, (1995)

・Dynamical Properties of Confined Excitons in BiI3 Microcrystallites and Ultra-Thin Films Embedded in CdI2 Matrices
D.Kim, T.Karasawa, I.Akai, T.Komatsu, T.Kobayashi
J. Lumin., 66&67 p.443-447, (1995)

・Nonlinear Optical Spectra of the Confined Excitons in Stress Induced Nanostructures in BiI3
I.Akai, T.Karasawa, T.Komatsu, S.Iwai, K.Edamatsu, T.Itoh, S.Yano, T.Goto
Jpn J. Appl. Phys. 34 Suppl.34-1 (1995) 113-115

・Nonlinear Optical Responses due to the Lateral Transport of Excitons in a Quasi Two-Dimensional System in BiI3 Crystals
Solid State Commun. 94, p.129-134, (1995)

・Raman Scattering and Electronic Structures under Hydrostatic Pressures in Layered MI3 (M=Bi, Sb, As) Crystals
A.Sitoh, E.Kawahata, T.Komatsu, I.Akai, T.Karasawa, H.Kurisu, H.Ohtake, T.Suemoto
Proceeding of the Asia Symposium on Solid State Photophysics, Nara 1995, (1995) 189-192

・Dynamical and Spatial Behavior of Quasi Two-Dimensional Excitons in a Layered Crystal BiI3 under High Density Excitation
T.Kawai, H.Kondo, I.Akai, T.Karasawa, T.Komatsu
Proceeding of the Asia Symposium on Solid State Photophysics, Nara 1995, (1995) 225-228

・Dynamical Process of Free Exciton Magnetic Polarons in Diluted Magnetic Semiconductor CdMnTe Observed by a Weak excitation Time-Resolved Photoluminescence
S.Takeyama, S.Adachi, Y.Takagi, T.Karasawa, I.Akai, T.Komatsu, V.F.Aguekian
Proc. of The Workshop on Highlights of Light Spectroscopy on Semiconductors, p.289-291 (1995)

・High Density Exciton Behavior and Bi-Exciton States on the Stacking Fault Exciton in BiI3
H.Kondo, T.Karasawa, I.Akai, M.Ichida, T.Komatsu
J. Lumin. 60&61 p.658-660, (1994)

・Pressure Effects on Excitons, Phonons and Exciton-Phonon Interactions in BiI3 and SbI3 Single Crystals
H.Kurisu, T.Komatsu, T.Tanaka, I.Akai, T.Karasawa, T.Iida
J. Lumin. 60&61 p.816-818, (1994)

・Anisotropic Energy Transfer and Dynamical Behavior of Excitons in Layered Crystal BiI3
J. Lumin. 58 p.100-102, (1994)

・Nonlinear Optical Spectra of Confined and Localized Excitons in Mesoscopic Domain and Quasi-2D Stacking Fault Interface in BiI3
I.Akai, H.Kondo, M.Ichida, T.Karasawa, T.Komatsu
J. de Physique IV Colloque C5, supplement au Journal de Physique II 3 p.433-436 (1993)

・Exciton Luminescence in Tin Dioxide Single Crystals
V.F.Aguekian, Y.A.Stepanov, I.Akai, T.Karasawa, T.Komatsu
J. Phys. Soc. Jpn 62 p.4516-4521 (1993)

・Pressure Induced Quantum Confined Excitons in Layered Metal Tri-Iodide Crystals
H.Kurisu, T.Tanaka, T.Karasawa, T.Komatsu
J.J.Appl.Phys. 32, Suppl. 32-1, p.285-287, (1993)

・Hydrostatic Pressure Effects on the Exciton and Exciton- Phonon Interaction in BiI3 Crystals
H.Kurisu, T.Komatsu, T.Karasawa
J.Phys.Soc.Jpn 62, p.1048-1056, (1993)

・Energy Transfer and Relaxation Mechanism among Exciton States in Layered Crystal BiI3: I, Energy Transfer by Triplet Excitons
T.Kawai, M.Ichida, T.Karasawa, T.Komatsu
J.Phys.Soc.Jpn 62, p.822-831, (1993)

・Dephasing Process on the Stacking Fault Excitons in BiI3
M.Ichida, T.Karasawa, T.Komatsu
Phys. Rev. B 47, p.1474-1482, (1993)

・Optical Stark Effects on the Stacking Fault Excitons in BiI3
I.Akai, T.Karasawa, T.Komatsu
International J. of Nonlinear Opt. Phys. 1 p.311-337 (1992)

・Picosecond Time Resolved Spectra of the Optical Stark Effects on the Stacking Fault Excitons in BiI3 Crystals
I.Akai, K.Nakajima, T.Karasawa, M.Ichida, T.Komatsu
Mol. Cryst. Liq. Cryst. 218 p.25-30 (1992)

・Excitons Localized in Mesoscopic Domains Produced by Stacking Fault in BiI3
T.Komatsu, T.Iida, K.Murayama, M.Ichida, H.Kurisu, H.Kondo, I.Akai, T.Karasawa
Mol. Cryst. Liq. Cryst. 218 p.37-42 (1992)

・Dephasing and Relaxation Processes on the Stacking Fault Exciton in BiI3 under High Density Excitation
M.Ichida, T.Kawai, T.Karasawa, T.Komatsu
Mol. Cryst. Liq. Cryst. 218 p.31-36 (1992)

・Exciton Phonon Interaction in the Two-photon Absorption Process in RbI
H.Fujita, H.Kondo, H.Nishimura, T.Okada, T.Karasawa, T.Komatsu
J. Lumin. 51, p.167-173, (1992)

・Optical Nonlinear Effects of the Stacking Fault Excitons in BiI3
I.Akai, K.Nakajima, M.Ichida, T.Karasawa, T.Komatsu
Proceeding of the 2nd Taiwan-Japan Workshop on Solid State Optical Spectroscopy 1992 Osaka, p.176-179 (1992)

・Optical Stark Effects in the Multiple Exciton States at a Stacking-Fault Plane in BiI3 Crystals
I.Akai, T.Karasawa, T.Komatsu, Y.Kaifu
Phys. Rev. B43 p.4484-4487 (1991)

・Nonlinear Optical Properties of BiI3 Crystals
T.Karasawa, I.Akai, T.Komatsu
Nonlinear Optics 1 p.51-59 (1991)

・Observation of Propagation of Exciton-Polaritons along Stacking Fault Plane in Layered Crystal BiI3
T.Kawai, S.Shimanuki, T.Karasawa, I.Akai, T.Iida, T.Komatsu
J. Lumin. 48&49 p.721-724 (1991)

・Ultrafast Nonlinear Optical Response and High Density Excitation Effects of the Stacking Fault Exciton in BiI3
T.Karasawa, M.Ichida, I.Akai, T.Komatsu
Appl. Phys. A53 p.480-490 (1991)

・Temporal Behavior of the Optical Stark Effects on the Stacking Fault Exciton States in BiI3
I.Akai, T.Karasawa, T.Komatsu
Digest of Nonlinear Optics: Materials, Phenomena and Devices, 1990 Hawaii USA

・The Photocalorimetric Spectra in Layered BiI3 Single Crystals
I.Akai, T.Karasawa, Y.Kaifu
J. Phys. Soc. Jpn 58 p.718-725 (1989)

・Picosecond Studies of Cascade Relaxation Processes among the Stacking Fault Exciton States in Layered BiI3 Single Crystals
I.Akai, T.Karasawa, Y.Kaifu, A.Nakamura, M.Shimura, M.Hirai
J. Lumin. 42 p.357-363 (1989)

・Space-Resolved Spectra Due to High Mobile Exciton at the Stacking Fault in BiI3 Crystals
T.Kawai, I.Akai, T.Karasawa
J. Phys. Soc. Jpn 58 p.969-977 (1989)

・Observation of High Mobile Excitons along the Stacking Fault Plane in BiI3 by Space-Resolved Spectroscopy
T.Karasawa, T.Kawai, I.Akai, Y.Kaifu
J. Lumin. 40&41 p.431-432 (1989)

・Large Optical Nonlinearity of the Two-Dimensional Exciton States at a Stacking Fault Interface in BiI3
I.Akai, T.Karasawa, T.Komatsu, Y.Kaifu
phys. stat. sol. (b) 150 p.635-639 (1988)

・Resonant Light Scattering of Exciton Strongly Interacting with LA-Phonon
J. Lumin. 40&41, p.473-474, (1988)

・The First Observation of k-Space Non-Radiative Process by the Photo-Calorimetric Spectroscopy on the Stacking Fault Excitons
I.Akai, T.Karasawa, T.Komatsu, Y.Kaifu
Proceeding of 19th International Conference on Physics of Semiconductors (Inst. of Phys. Polish Academy of Science) 1 p.425-428 (1988)

・Ultrafast Optical Dephasing of Two-Dimensional Excitons in BiI3
A.Nakamura, Y.Ishida, T.Yajima, T.Karasawa, I.Akai, Y.Kaifu
Springer Series in Chemical Physics 48 Ultrafast Phenomena VI, p.266-268. (1988)

・Space- and Time-Resolved Spectroscopy of the Ultrafast Exciton Motion at a Stacking Fault Interface in Layered BiI3 Crystals
T.Karasawa, T.Kawai, I.Akai, Y.Kaifu
Springer Series in Chemical Physics 48 Ultrafast Phenomena VI, p.262-265. (1988)

・Observation of High Mobile Excitons along the Stacking Fault Plane in BiI3 by Space-Resolved Spectroscopy
T.Karasawa, T.Kawai, I.Akai, Y.Kaifu
J. Lumin. 40&41 p.431-432 (1988)

・Dynamical Relaxation Process of Characteristic Band Edge Exciton States in Layered BiI3 Crystals
J. Lumin. 38, p.51-54, (1987)

・Optical Properties of Extrinsic Two-Dimensional Excitons in BiI3 Single Crystals
K.Watanabe, T.Karasawa, T.Komatsu, Y.Kaifu
J. Phys. Soc. Jpn, 55, p.897-907, (1986)

・Interface Excitons at Stacking Fault in BiI3 Single Crystals
Y.Kaifu, T.Komatsu, T.Karasawa
Proceedings of the 18th International Conference on Physics on Semiconductors, (Stockholm), p.1421-1422, (1986)

・Secondary Emission due to Recombination of Excitons near Indirect Band Bottom: II. Experimental and Theoretical Analysis in BiI3
T.Karasawa, T.Iida, M.Sakai T.Komatsu, Y.Kaifu
J.Phys.C(Solid State Phys.) 18, p.4043-4059, (1985)

・Extrinsic Two-Dimensional Excitons and Their High Density Effects in BiI3 Single Crystals
S.Tatsumi, T.Karasawa, T.Komatsu, Y.Kaifu
Solid State Commun. 54, p.587-591, (1985)

・Resonant Light Scattering and Hot Luminescence at the Indirect Gap in BiI3
T.Karasawa, T.Komatsu, Y.Kaifu
J. Lumin. 31/32, p.182-184, (1984)

・Observation of the Lifetime Broadening on Resonant Raman Lines at the Indirect Exciton in BiI3
T.Karasawa, T.Iida, T.Komatsu, M.Sakai, Y.Kaifu
Proceedings of the IXth International Conference on Raman Spectroscopy (Tokyo), p.656, (1984)

・Resonant Raman Scattering in Indirect Exciton-Phonon System
T.Iida, M.Sakai, T.Karasawa, T.Komatsu, Y.Kaifu
Proceedings of the IXth International Conference on Raman Spectroscopy (Tokyo), p.654, (1984)

・Raman Spectra of Layered SbI3 Crystals and Their Anharmonic Effects
T.Komatsu, K.Iwahana, T.Karasawa, Y.Kaifu
Proceedings of the IXth International Conference on Raman Spectroscopy (Tokyo), p.220, (1984)

・Resonant Raman Scattering and Hot Luminescence at the Indirect Exciton in BiI3
T.Karasawa, K.Miyata, T.Komatsu, Y.Kaifu
J.Phys.Soc.Jpn. 52, p.2592-2602, (1983)

・Secondary Emission due to Recombination of Excitons near Indirect Band Bottom: I. General Feature
T.Iida, M.Sakai, T.Karasawa, T.Komatsu, Y.Kaifu
J.Phys.C(Solid State Phys.) 16, p.4719-4732, (1983)

・Zone-Folding Effects on Phonons and Excitons in Polytypic BiI3 Single Crystals
T.Karasawa, T.Komatsu, Y.Kaifu
Solid State Commun. 44, p.323-327, (1982)

・Secondary Emission of Indirect Exciton in BiI3
T.Komatsu, T.Karasawa, T.Iida, K.Miyata, Y.Kaifu
J. Lumin. 24/25, p.679-682, (1981)

・Stacking Disorder Effects on Resonance Raman Scattering in BiI3
T.Karasawa, T.Komatsu, K.Miyata, T.Iida, Y.Kaifu
Physica 105B, p.88-92, (1981)

・Stacking Fault and Surface Effects on Exciton Spectra in Layered Metal Halides
T.Komatsu, Y.Kaifu, T.Karasawa, T.Iida
Physica 99B, p.318-322, (1980)