Photonics Research, 2019, 7 (1): 01000098, Published Online: Feb. 21, 2019  

Vacuum ultraviolet photovoltaic arrays

Author Affiliations
1 State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials, Sun Yat-sen University, Guangzhou 510275, China
2 e-mail: zhengw37@mail.sysu.edu.cn
Abstract
As one of the ideal tools for monitoring the formation and evolution of solar storms, the vacuum ultraviolet (VUV) detector should have both a fast temporal response and an array structure that enables image formation. Here, by combining a nontraditional graphene processing technique with traditional metal organic chemical vapor deposition epitaxy technology, we created hybrid heterostructure (HH) arrays of p-Gr/AlN/p-Si with VUV photovoltaic response capability and silicon integration potential. The HH arrays not only exhibit ultrafast temporal response (rise time of only 120 ns) and an extremely high Ion/Ioff ratio of 107, but also achieve the imaging demonstration of a VUV pattern for the first time. The HH technique provides a possible new path for the development of VUV imaging devices.

Wei Zheng, Richeng Lin, Lemin Jia, Feng Huang. Vacuum ultraviolet photovoltaic arrays[J]. Photonics Research, 2019, 7(1): 01000098.

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