Silicon nanowire/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) heterojunction solar cells

Shu-Chia Shiu; Jiun-Jie Chao; Shih-Che Hung; Chin-Liang Yeh; Ching-Fuh Lin

doi:10.1117/12.860721

19 August 2010 Silicon nanowire/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) heterojunction solar cells

Shu-Chia Shiu, Jiun-Jie Chao, Shih-Che Hung, Chin-Liang Yeh, Ching-Fuh Lin

Proceedings Volume 7772, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion; 777216 (2010) https://doi.org/10.1117/12.860721
Event: SPIE Solar Energy + Technology, 2010, San Diego, California, United States

Abstract

The characteristics of the well-aligned silicon nanowire/poly(3,4-ethylenedioxy- thiophene):poly(styrenesulfonate) (PEDOT:PSS) heterojunction solar cells are investigated. The PEDOT:PSS adheres on the n-type silicon nanowire surface to form core-sheath heterojunction structure. A novel front contact is proposed here to enhance the carrier collection efficiency for the nanostructured emitter. The cells exhibit stable rectifying diode behavior. Such structure increases the area of junctions and shortens exciton diffusion distance, and therefore greatly increases exciton dissociating probability. Compared to the devices without nanowire structure, the power conversion efficiency improves from 0.08 % to 4.99 %.

Citation Download Citation

Shu-Chia Shiu, Jiun-Jie Chao, Shih-Che Hung, Chin-Liang Yeh, and Ching-Fuh Lin "Silicon nanowire/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) heterojunction solar cells", Proc. SPIE 7772, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion, 777216 (19 August 2010); https://doi.org/10.1117/12.860721

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