Ryuji Kaigawa

Profile Information

Affiliation: Professor, Faculty of Advanced Science and Technology, Course of Electronics, Information and Communication Engineering, Ryukoku University

Degree: Doctor of Science
博士（理学）

J-GLOBAL ID: 200901097901613631
researchmap Member ID: 1000180810

Research Interests

Research Areas

Natural sciences / Semiconductors, optical and atomic physics /

Education

- 1993

Graduate School, Division of Natural Science, Ritsumeikan University
- 1993

Ritsumeikan University
- 1988

Faculty of Science, Ritsumeikan University
- 1988

Ritsumeikan University

Papers

Effects of Na on the properties of Cu(In,Ga)S-2 solar cells

R. Kaigawa, Y. Satake, K. Ban, S. Merdes, R. Klenk

THIN SOLID FILMS, 519(16) 5535-5538, Jun, 2011 Peer-reviewed
In and Ga diffusion in Cu(In, Ga)Se-2 and Cu(In, Ga)S-2 films instantaneously prepared in a non-vacuum process

R. Kaigawa, K. Ban, S. Merdes, T. Dittrich, R. Klenk

EUROPEAN MATERIALS RESEARCH SOCIETY CONFERENCE SYMPOSIUM: ADVANCED INORGANIC MATERIALS AND CONCEPTS FOR PHOTOVOLTAICS, 10, 2011 Peer-reviewed
Tandem solar cells with Cu(In,Ga)S-2 top cells on ZnO coated substrates

R. Kaigawa, K. Funahashi, R. Fujie, T. Wada, S. Merdes, R. Caballero, R. Klenk

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 94(11) 1880-1883, Nov, 2010 Peer-reviewed
Direct synthesis of CuIn(Se(x), S(1) (-) (x))(2) films from elemental In, Cu, Se, S particle precursor films and its dependence on energy

R. Kaigawa, T. Yoshida, T. Kitagawa, R. Klenk

THIN SOLID FILMS, 518(20) 5802-5805, Aug, 2010 Peer-reviewed
Preparation of wide gap Cu(In,Ga)S-2 films on ZnO coated substrates

R. Kaigawa, A. Morimoto, K. Funahashi, R. Fuiie, T. Wada, S. Merdes, R. Klenk

THIN SOLID FILMS, 517(7) 2395-2398, Feb, 2009 Peer-reviewed
Cu(In,Ga)S-2 films prepared by two-stage evaporation on ZnO coated substrates

R. Kaigawa, A. Morimoto, K. Funahashi, R. Fujie, T. Wada, M. Sasaki, S. Merdes, R. Klenk

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 5, 6(5) 1051-+, 2009 Peer-reviewed
Influence of degree of vacuum during deposition on property of Cu(In,Ga)S2 absorber film and Mo back contact film of solar cell.

R. Kaigawa, R.Fujie, A.Morimoto, K.Funahashi

Proceedings of the fifth Thin-Films Materials and Device Meeting, 2008 Peer-reviewed
Increased open circuit voltage in Cu(In,Ga)S2 based solar cells prepared by rapid thermal processing of metal precursors

S. Merdes, R. Kaigawa, J. Klaer, R. Klenk, R. Mainz, A. Meeder, N. Papathanasiou

European Photovoltaic Solar Energy Conference, 2588-2591, 2008 Peer-reviewed
The microstructure of Cu(In,Ga)S2 solar cell absorber films using three-stage and two-stage evaporation

Thin Solid Films, 516 7046, 2008 Peer-reviewed
Electrical properties of homogeneous Cu(In,Ga)S-2 films with varied gallium content

R. Kaigawa, A. Ohyama, T. Wada, R. Klenk

THIN SOLID FILMS, 515(15) 6260-6264, May, 2007 Peer-reviewed
Three-stage evaporation of Cu(In,Ga)S-2 solar cell absorber films without KCN treatment and Na control

R Kaigawa, T Wada, S Bakehe, R Klenk

THIN SOLID FILMS, 511 430-433, Jul, 2006 Peer-reviewed
Electric properties of Cu-poor and Cu-rich Cu(In,Ga)S-2 films after O-2-annealing

R. Kaigawa, A. Ohyama, T. Wada, R. Klenk

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 8, 3(8) 2568-+, 2006 Peer-reviewed
The effect of sulphur pressure on the depth Cu(In,Ga)S-2 films

R Kaigawa, Wada, I, S Bakehe, R Klenk

THIN SOLID FILMS, 480 71-75, Jun, 2005 Peer-reviewed
Band gap grading in multi-source evaporated Cu(In,Ga)S2 thin films

Twentieth European Photovoltaic Solar Energy Conference proceedings, 1767-1770, 2005 Peer-reviewed
Optimising the open-circuit voltage of Cu(In,Ga)S-2 solar cells-design and analysis

R Klenk, S Bakehe, R Kaigawa, A Neisser, J Reiss, MC Lux-Steiner

THIN SOLID FILMS, 451 424-429, Mar, 2004 Peer-reviewed
The effect of Sulfur pressure on the depth distribution of impurities in Cu(In,Ga)S2 films

EMRS 2004 SPRING MEETING, 2004
Optimising the open circuit voltage of Cu(In,Ga)S2 solar cells – design and analysis

Thin Solid Films, 451-452, 424-429, 2004
The effect of Sulfur pressure on the depth distribution of impurities in Cu(In,Ga)S2 films

EMRS 2004 SPRING MEETING, 2004 Peer-reviewed
Kelvin probe force microscopy for the nano scale characterization of chalcopyrite solar cell materials and devices

S Sadewasser, T Glatzel, S Schuler, S Nishiwaki, R Kaigawa, MC Lux-Steiner

THIN SOLID FILMS, 431 257-261, May, 2003
Kelvin probe force microscopy for the nano scale characterization of chalcopyrite solar cell materials and devices

S Sadewasser, T Glatzel, S Schuler, S Nishiwaki, R Kaigawa, MC Lux-Steiner

THIN SOLID FILMS, 431 257-261, May, 2003 Peer-reviewed

Misc.

Effects of Na on the properties of Cu(In,Ga)S-2 solar cells

R. Kaigawa, Y. Satake, K. Ban, S. Merdes, R. Klenk

THIN SOLID FILMS, 519(16) 5535-5538, Jun, 2011 Peer-reviewed
In and Ga diffusion in Cu(In, Ga)Se-2 and Cu(In, Ga)S-2 films instantaneously prepared in a non-vacuum process

R. Kaigawa, K. Ban, S. Merdes, T. Dittrich, R. Klenk

EUROPEAN MATERIALS RESEARCH SOCIETY CONFERENCE SYMPOSIUM: ADVANCED INORGANIC MATERIALS AND CONCEPTS FOR PHOTOVOLTAICS, 10, 2011 Peer-reviewed
Tandem solar cells with Cu(In,Ga)S-2 top cells on ZnO coated substrates

R. Kaigawa, K. Funahashi, R. Fujie, T. Wada, S. Merdes, R. Caballero, R. Klenk

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 94(11) 1880-1883, Nov, 2010 Peer-reviewed
Direct synthesis of CuIn(Se(x), S(1) (-) (x))(2) films from elemental In, Cu, Se, S particle precursor films and its dependence on energy

R. Kaigawa, T. Yoshida, T. Kitagawa, R. Klenk

THIN SOLID FILMS, 518(20) 5802-5805, Aug, 2010 Peer-reviewed
Preparation of wide gap Cu(In,Ga)S-2 films on ZnO coated substrates

R. Kaigawa, A. Morimoto, K. Funahashi, R. Fuiie, T. Wada, S. Merdes, R. Klenk

THIN SOLID FILMS, 517(7) 2395-2398, Feb, 2009 Peer-reviewed
Cu(In,Ga)S-2 films prepared by two-stage evaporation on ZnO coated substrates

R. Kaigawa, A. Morimoto, K. Funahashi, R. Fujie, T. Wada, M. Sasaki, S. Merdes, R. Klenk

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 5, 6(5) 1051-+, 2009 Peer-reviewed
Influence of degree of vacuum during deposition on property of Cu(In,Ga)S2 absorber film and Mo back contact film of solar cell.

R. Kaigawa, R.Fujie, A.Morimoto, K.Funahashi

Proceedings of the fifth Thin-Films Materials and Device Meeting, 2008 Peer-reviewed
Increased open circuit voltage in Cu(In,Ga)S2 based solar cells prepared by rapid thermal processing of metal precursors

S. Merdes, R. Kaigawa, J. Klaer, R. Klenk, R. Mainz, A. Meeder, N. Papathanasiou

European Photovoltaic Solar Energy Conference, 2588-2591, 2008 Peer-reviewed
The microstructure of Cu(In,Ga)S2 solar cell absorber films using three-stage and two-stage evaporation

Thin Solid Films, 516 7046, 2008 Peer-reviewed
Electrical properties of homogeneous Cu(In,Ga)S2 films with varied gallium content

R. Kaigawa, A. Ohyama, T. Wada, R. Klenk

Thin Solid Films, 515(15) 6260-6264, May 31, 2007 Peer-reviewed
Three-stage evaporation of Cu(In,Ga)S-2 solar cell absorber films without KCN treatment and Na control

R Kaigawa, T Wada, S Bakehe, R Klenk

THIN SOLID FILMS, 511 430-433, Jul, 2006 Peer-reviewed
Electric properties of Cu-poor and Cu-rich Cu(In,Ga)S-2 films after O-2-annealing

R. Kaigawa, A. Ohyama, T. Wada, R. Klenk

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 8, 3(8) 2568-+, 2006 Peer-reviewed
The effect of sulphur pressure on the depth Cu(In,Ga)S-2 films

R Kaigawa, Wada, I, S Bakehe, R Klenk

THIN SOLID FILMS, 480 71-75, Jun, 2005 Peer-reviewed
Band gap grading in multi-source evaporated Cu(In,Ga)S2 thin films

Twentieth European Photovoltaic Solar Energy Conference proceedings, 1767-1770, 2005 Peer-reviewed
Optimising the open-circuit voltage of Cu(In,Ga)S-2 solar cells-design and analysis

R Klenk, S Bakehe, R Kaigawa, A Neisser, J Reiss, MC Lux-Steiner

THIN SOLID FILMS, 451 424-429, Mar, 2004 Peer-reviewed
The effect of Sulfur pressure on the depth distribution of impurities in Cu(In,Ga)S2 films

EMRS 2004 SPRING MEETING, 2004
Optimising the open circuit voltage of Cu(In,Ga)S2 solar cells ? design and analysis

Thin Solid Films, 451-452, 424-429, 2004
The effect of Sulfur pressure on the depth distribution of impurities in Cu(In,Ga)S2 films

EMRS 2004 SPRING MEETING, 2004 Peer-reviewed
Kelvin probe force microscopy for the nano scale characterization of chalcopyrite solar cell materials and devices

S Sadewasser, T Glatzel, S Schuler, S Nishiwaki, R Kaigawa, MC Lux-Steiner

THIN SOLID FILMS, 431 257-261, May, 2003
Kelvin probe force microscopy for the nano scale characterization of chalcopyrite solar cell materials and devices

S Sadewasser, T Glatzel, S Schuler, S Nishiwaki, R Kaigawa, MC Lux-Steiner

THIN SOLID FILMS, 431 257-261, May, 2003 Peer-reviewed

Professional Memberships

応用物理学会

Profile Information

Research Interests

Research Areas

Education

Papers

Misc.

Professional Memberships

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