Cu2O single crystal growth using CuCl flux and bandgap evaluation von Kawamura, Fumio, Nagai, Takehiko, Tampo, Hitoshi

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Improving the Open Circuit Voltage through Surface Oxygen Plasma Treatment and 11.7% Efficient Cu2ZnSnSe4 Solar Cell von Tampo, Hitoshi, Kim, Shinho, Nagai, Takehiko, Shibata, Hajime, Niki, Shigeru

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Tunability of the bandgap of SnS by variation of the cell volume by alloying with A.E. elements von Kawamura, Fumio, Song, Yelim, Murata, Hidenobu, Tampo, Hitoshi, Nagai, Takehiko, Koida, Takashi, Imura, Masataka, Yamada, Naoomi

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Examination of Suitable Bandgap Grading of Cu(InGa)Se2 Bottom Absorber Layers for Tandem Cell Application von Jeong, Changwook, Nagai, Takehiko, Ishizuka, Shogo, Tampo, Hitoshi, Hajime, Shibata, Kim, Shinho, Kim, Yangdo

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Sodium incorporation effect on morphological and photovoltaic properties for Cu2ZnSnSe4 solar cells von Tampo, Hitoshi, Kim, Shinho, Nagai, Takehiko, Shibata, Hajime

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Fabrication of the bandgap-tuned alkaline earth-alloyed SnS solar cell von Kawamura, Fumio, Song, Yelim, Murata, Hidenobu, Tampo, Hitoshi, Nagai, Takehiko, Koida, Takashi, Jeon, Jaeeun, Imura, Masataka, Yamada, Naoomi

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Impacts of KF Post-Deposition Treatment on the Band Alignment of Epitaxial Cu(In,Ga)Se2 Heterojunctions von Nagai, Takehiko, Nishinaga, Jiro, Tampo, Hitoshi, Kim, Shinho, Hirayama, Kazuhiro, Matsunobe, Tatsuo, Chen, Guanzhong, Ide, Yuya, Ishizuka, Shogo, Shibata, Hajime, Niki, Shigeru, Terada, Norio

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Characterization of Surface and Heterointerface of Cu2ZnSn1–xGexSe4 for Solar Cell Applications von Nagai, Takehiko, Kim, Shinho, Tampo, Hitoshi, Tanigawa, Kohei, Iwamoto, Yuya, Hamada, Hiroya, Ohta, Nobuyoshi, Shibata, Hajime, Niki, Shigeru, Terada, Norio

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Improving the performance of pure sulfide Cu(InGa)S2 solar cells via injection annealing system von Kwon, Ilyeong, Nagai, Takehiko, Ishizuka, Shogo, Tampo, Hitoshi, Shibata, Hajime, Kim, Shinho, Kim, Yangdo

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Band Alignment of the CdS/Cu2Zn(Sn1–x Ge x )Se4 Heterointerface and Electronic Properties at the Cu2Zn(Sn1–x Ge x )Se4 Surface: x = 0, 0.2, and 0.4 von Nagai, Takehiko, Shimamura, Takuya, Tanigawa, Kohei, Iwamoto, Yuya, Hamada, Hiroya, Ohta, Nobuyoshi, Kim, Shinho, Tampo, Hitoshi, Shibata, Hajime, Matsubara, Koji, Niki, Shigeru, Terada, Norio

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Plasma Synthesis of Silicon Nanoparticles: From Molecules to Clusters and Nanoparticle Growth von Nunomura, Shota, Kamataki, Kunihiro, Nagai, Takehiko, Misawa, Tatsuya, Kawai, Shinji, Takenaka, Kosuke, Uchida, Giichiro, Koga, Kazunori

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Electronic structure of Cu2ZnSn(SxSe1−x)4 surface and CdS/Cu2ZnSn(SxSe1−x)4 interface von Udaka, Yusuke, Takaki, Shin'ichi, Isowaki, Keisuke, Nagai, Takehiko, Kim, Kang Min, Kim, Shinho, Tampo, Hitoshi, Shibata, Hajime, Matsubara, Koji, Niki, Shigeru, Sakai, Noriyuki, Kato, Takuya, Sugimoto, Hiroki, Terada, Norio

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Large open‐circuit voltage boosting of pure sulfide chalcopyrite Cu(In,Ga)S2 prepared using Cu‐deficient metal precursors von Kim, Shinho, Nagai, Takehiko, Tampo, Hitoshi, Ishizuka, Shogo, Shibata, Hajime

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Large open‐circuit voltage boosting of pure sulfide chalcopyrite Cu(In,Ga)S 2 prepared using Cu‐deficient metal precursors von Kim, Shinho, Nagai, Takehiko, Tampo, Hitoshi, Ishizuka, Shogo, Shibata, Hajime

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Band-gap renormalization in highly excited GaN von Nagai, Takehiko, Inagaki, Takeshi J., Kanemitsu, Yoshihiko

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Improving the Open Circuit Voltage through Surface Oxygen Plasma Treatment and 11.7% Efficient Cu 2 ZnSnSe 4 Solar Cell von Tampo, Hitoshi, Kim, Shinho, Nagai, Takehiko, Shibata, Hajime, Niki, Shigeru

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Characterization of spherical Si by photoluminescence measurement von Nagai, Takehiko, Liu, Zhengxin, Masuda, Atsushi, Kondo, Michio

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Single-crystal Cu(In,Ga)Se 2 solar cells grown on GaAs substrates von Nishinaga, Jiro, Nagai, Takehiko, Sugaya, Takeyoshi, Shibata, Hajime, Niki, Shigeru

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Characterizing ZnMgO/Sb 2 Se 3 Interface for Solar Cell Applications von Je, Yonghun, Jeon, Jaeeun, Tampo, Hitoshi, Nagai, Takehiko, Kim, Shinho, Kim, Yangdo

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Time-resolved cavity ringdown spectroscopy on nanoparticle generation in a SiH4–H2 VHF plasma von Nagai, Takehiko, Smets, Arno H.M., Kondo, Michio

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