Ultrafast response vertical phototransistors based on hybrid perovskite

Yating Zhang; Tengteng Li; Yifan Li; Qingyan Li; Zhiliang Chen; Yu Yu; Lufan Jin; Jianquan Yao

doi:10.1117/12.2509337

27 February 2019 Ultrafast response vertical phototransistors based on hybrid perovskite

Yating Zhang, Tengteng Li, Yifan Li, Qingyan Li, Zhiliang Chen, Yu Yu, Lufan Jin, Jianquan Yao

Proceedings Volume 10914, Optical Components and Materials XVI; 1091418 (2019) https://doi.org/10.1117/12.2509337
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Methylammonium lead halide perovskites have received substantial attention in photoelectric research communities, because of excellent optoelectronic properties, including long electron-hole diffusion distance, large absorption coefficients in the UV–Vis spectral region, low-cost, solution-based processing and low binding energy of exciton. Many records, such as efficiencies have been kept by these perovskite solar cells. However, other excellent properties, such as ultrafast properties have not been studies intensively. Here vertical field effect phototransistors (VFE_pTs) based on methylammonium lead halide perovskites were design and fabricated. VFE_pTs exhibit high performances including an ultrafast photoresponse time (less than 20 ns) and a high photoresponsivity (~ 10 mAW⁻¹). The methylammonium lead halide perovskite vertical phototransistors open path on ultrafast devices with low cost solution fabrication process, but high level performances.

Conference Presentation

Citation Download Citation

Yating Zhang, Tengteng Li, Yifan Li, Qingyan Li, Zhiliang Chen, Yu Yu, Lufan Jin, and Jianquan Yao "Ultrafast response vertical phototransistors based on hybrid perovskite", Proc. SPIE 10914, Optical Components and Materials XVI, 1091418 (27 February 2019); https://doi.org/10.1117/12.2509337

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