TY - JOUR
T1 - Performance enhancement of carbon nanotube/silicon solar cell by solution processable MoOx
AU - Huang, Xiaoxu
AU - Xie, Rongbin
AU - Sugime, Hisashi
AU - Noda, Suguru
N1 - Funding Information:
The authors thank Prof. Nishide, Prof. Oyaizu, and Mr. Okada at Waseda University for their support in the EQE measurement, Mr. Enomoto and Mr. Mino at Kagami Memorial Research Institute for Materials Science and Technology, Waseda University for UPS and UV-Vis reflectance measurements, respectively, and Mr. Gotoh at Materials Characterization Central Laboratory, Waseda University for XPS measurement. This work is supported in part by JSPS Kakenhi [grant number JP25107002] and Waseda University Grants for Special Research Projects [Grant B 2018B-173]. X.H. and R.H. are grateful for the financial support from the State Scholarship Fund by the China Scholarship Council (No. 201806380052 and No. 201706040065 ).
Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2021/3/15
Y1 - 2021/3/15
N2 - Carbon nanotube/silicon solar cells have increasingly attracted attention owing to their high efficiency and cost-effectiveness. Herein, we demonstrated a significant improvement in the performance of the carbon nanotube/silicon solar cell by applying solution-processable MoOx. The MoOx acts as both an efficient chemical dopant and an anti-reflection coating, resulting in a reduction in the series resistance and an enhancement of the short-circuit current density of the cell. As a result, the power conversion efficiencies increased to 10.0%, which is a 39% increase from the pristine value (7.2%). The device showed considerable stability, maintaining the power conversion efficiency at 80% of its original value for two months in the air without any protective layer. The simple solution process at room-temperature in this study can lower the preparation cost and pave a way for the practical application of carbon nanotube/silicon solar cells.
AB - Carbon nanotube/silicon solar cells have increasingly attracted attention owing to their high efficiency and cost-effectiveness. Herein, we demonstrated a significant improvement in the performance of the carbon nanotube/silicon solar cell by applying solution-processable MoOx. The MoOx acts as both an efficient chemical dopant and an anti-reflection coating, resulting in a reduction in the series resistance and an enhancement of the short-circuit current density of the cell. As a result, the power conversion efficiencies increased to 10.0%, which is a 39% increase from the pristine value (7.2%). The device showed considerable stability, maintaining the power conversion efficiency at 80% of its original value for two months in the air without any protective layer. The simple solution process at room-temperature in this study can lower the preparation cost and pave a way for the practical application of carbon nanotube/silicon solar cells.
KW - Air stability
KW - Carbon nanotube/silicon heterojunction
KW - Efficiency
KW - Solar cell
KW - Solution processable MoO
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U2 - 10.1016/j.apsusc.2020.148682
DO - 10.1016/j.apsusc.2020.148682
M3 - Article
AN - SCOPUS:85097717092
SN - 0169-4332
VL - 542
JO - Applied Surface Science
JF - Applied Surface Science
M1 - 148682
ER -