Design and Fabrication of CdTe//Si Four-Terminal Mechanical Stacked Solar Cell

Zheng, Y.; Xin, Z.; Xiutao, Y.; Yunpu, T.; Jingquan, Z.; Li Bing; Lianghuan, F.; Chebotareva, A.; Amangel'di Kamalov; Guanggen, Z.

Авторы: Zheng Yujie, Xin Zhang, Xiutao Yang, Yunpu Tai, Jingquan Zhang, Li Bing, Lianghuan Feng, Chebotareva Alla, Amangel'di Kamalov, Guanggen Zeng
Журнал: IEEE JOURNAL OF PHOTOVOLTAICS
Том: 14
Номер: 2
Год издания: 2024
Первая страница: 260
Последняя страница: 264
DOI: 10.1109/jphotov.2023.3338862
Аннотация: As single-junction devices are becoming increasingly difficult to achieve higher efficiencies, a great amount of design and fabrication of multijunction solar cells has been reported. There have been many independent studies on silicon and II-VI photovoltaic materials, but their integration to form II-VI/crystalline silicon tandem solar cell is still relatively rare. In this work, the structure of cadmium telluride (CdTe)//Si(TOPCon) four-terminal (4-T) mechanical stacked solar cell was numerically simulated and the performances of this cell were explored by varying the thickness of CdTe absorber layer in the top cells. The simulation results demonstrated that the 32.2% optimum efficiency of CdTe//Si(TOPCon) 4-T mechanical stacked solar cell can be obtained when the CdTe thickness was about 600 nm. Specifically, tungsten doped indium oxide (IWO) as a transparent back electrode was innovatively incorporated into the top cell to increase the transmission in the near-infrared region (800–1200 nm), which can reach the bottom cell well and be absorbed. Finally, glass/SnO2:F/CdS/CdTe/CuCl2/IWO translucent solar cell as a top cell was prepared, and then, CdTe//Si(TOPCon) 4-T mechanical stacked solar cell with a 12.4% conversion efficiency were fabricated for the first time with rigorous and meticulous optical balance design.
Добавил в систему: Чеботарева Алла Борисовна

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