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Nagai, Takehiko
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1

Cu2O single crystal growth using CuCl flux and bandgap eval..:

Kawamura, Fumio ; Nagai, Takehiko ; Tampo, Hitoshi
Materials Letters.  365 (2024)  - p. 136428 , 2024
Link: https://doi.org/10.1016/..
 
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2

Overview and Perspective for High‐Efficiency Single‐Junctio..:

Yamaguchi, Masafumi ; Ohshita, Yoshio ; Shibata, Hajime..
Solar RRL.  7 (2023)  17 - p. , 2023
Link: https://doi.org/10.1002/..
 
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3

Plasma Synthesis of Silicon Nanoparticles: From Molecules t..:

Nunomura, Shota ; Kamataki, Kunihiro ; Nagai, Takehiko...
IEEE Open Journal of Nanotechnology.  3 (2022)  - p. 94-100 , 2022
Link: https://doi.org/10.1109/..
 
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4

Impacts of KF Post-Deposition Treatment on the Band Alignme..:

Nagai, Takehiko ; Nishinaga, Jiro ; Tampo, Hitoshi...
ACS Applied Materials & Interfaces.  14 (2022)  14 - p. 16780-16790 , 2022
Link: https://doi.org/10.1021/..
 
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5

Tunability of the bandgap of SnS by variation of the cell v..:

Kawamura, Fumio ; Song, Yelim ; Murata, Hidenobu...
Scientific Reports.  12 (2022)  1 - p. , 2022
Link: https://doi.org/10.1038/..
 
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6

Examination of Suitable Bandgap Grading of Cu(InGa)Se2 Bott..:

Jeong, Changwook ; Nagai, Takehiko ; Ishizuka, Shogo...
physica status solidi (a).  218 (2021)  10 - p. , 2021
Link: https://doi.org/10.1002/..
 
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7

Improving the performance of pure sulfide Cu(InGa)S2 solar ..:

Kwon, Ilyeong ; Nagai, Takehiko ; Ishizuka, Shogo...
Current Applied Physics.  22 (2021)  - p. 71-76 , 2021
Link: https://doi.org/10.1016/..
 
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8

Sodium incorporation effect on morphological and photovolta..:

Tampo, Hitoshi ; Kim, Shinho ; Nagai, Takehiko.
Japanese Journal of Applied Physics.  59 (2020)  SC - p. SCCD06 , 2020
Link: https://doi.org/10.7567/..
 
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9

Characterization of Surface and Heterointerface of Cu2ZnSn1..:

Nagai, Takehiko ; Kim, Shinho ; Tampo, Hitoshi...
physica status solidi (RRL) – Rapid Research Letters.  14 (2020)  4 - p. , 2020
Link: https://doi.org/10.1002/..
 
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10

Large open‐circuit voltage boosting of pure sulfide chalcop..:

Kim, Shinho ; Nagai, Takehiko ; Tampo, Hitoshi..
Progress in Photovoltaics: Research and Applications.  28 (2020)  8 - p. 816-822 , 2020
Link: https://doi.org/10.1002/..
 
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11

Improving the Open Circuit Voltage through Surface Oxygen P..:

Tampo, Hitoshi ; Kim, Shinho ; Nagai, Takehiko..
ACS Applied Materials & Interfaces.  11 (2019)  14 - p. 13319-13325 , 2019
Link: https://doi.org/10.1021/..
 
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12

Band Alignment of the CdS/Cu2Zn(Sn1–xGex)Se4 Heterointerfac..:

Nagai, Takehiko ; Shimamura, Takuya ; Tanigawa, Kohei...
ACS Applied Materials & Interfaces.  11 (2019)  4 - p. 4637-4648 , 2019
Link: https://doi.org/10.1021/..
 
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13

Single-crystal Cu(In,Ga)Se2solar cells grown on GaAs substr..:

Nishinaga, Jiro ; Nagai, Takehiko ; Sugaya, Takeyoshi..
Applied Physics Express.  11 (2018)  8 - p. 082302 , 2018
Link: https://doi.org/10.7567/..
 
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14

Reduced recombination in a surface-sulfurized Cu(InGa)Se2th..:

Kim, Shinho ; Nishinaga, Jiro ; Kamikawa, Yukiko...
Japanese Journal of Applied Physics.  57 (2018)  5 - p. 055701 , 2018
Link: https://doi.org/10.7567/..
 
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15

Band Alignment of CdS/Cu2ZnSnSe4 Heterointerface and Solar ..:

Nagai, Takehiko ; Kim, Shinho ; Tampo, Hitoshi...
MRS Advances.  2 (2017)  53 - p. 3157-3162 , 2017
Link: https://doi.org/10.1557/..
 
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