Facile solution processed MoO3 thin film as hole transportation layer for polymer solar cells

Chengxi Zhang; Jiang Cheng; Xiaoqing Liao; Lu Li; Xiaojuan Lian; Xin Yang

doi:10.1117/12.2241756

25 October 2016 Facile solution processed MoO₃ thin film as hole transportation layer for polymer solar cells

Chengxi Zhang, Jiang Cheng, Xiaoqing Liao, Lu Li, Xiaojuan Lian, Xin Yang

Author Affiliations +

Proceedings Volume 9686, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices; 96860C (2016) https://doi.org/10.1117/12.2241756
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

MoO₃ hole transportation layer was prepared by a novel spray coating method under low temperature for polymer solar cell. The physical phase of spray coated MoO₃ thin film was demonstrated by X-ray diffraction. The surface morphology of solution processed MoO₃ (s-MoO₃) and thermally evaporated MoO₃ (e-MoO₃) was characterized by metallurgical microscope and atomic force microscopy. The PSC device based on s-MoO₃ HTL shows better photo to electron conversion efficiency (PCE = 2.93%) performance than PEDOT:PSS based devices (PCE = 2.80%), and the high J_sc obtained in s-MoO₃ based PSC device indicates that the transportation across the s-MoO₃ layer is unhindered. Finally, the stability of PSC devices based on different HTLs has also been investigated.

Citation Download Citation

Chengxi Zhang, Jiang Cheng, Xiaoqing Liao, Lu Li, Xiaojuan Lian, and Xin Yang "Facile solution processed MoO₃ thin film as hole transportation layer for polymer solar cells", Proc. SPIE 9686, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices, 96860C (25 October 2016); https://doi.org/10.1117/12.2241756

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