19 August 2010 Silicon nanowire/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) heterojunction solar cells
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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 %.
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Shu-Chia Shiu, Shu-Chia Shiu, Jiun-Jie Chao, Jiun-Jie Chao, Shih-Che Hung, Shih-Che Hung, Chin-Liang Yeh, Chin-Liang Yeh, Ching-Fuh Lin, 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); doi: 10.1117/12.860721; https://doi.org/10.1117/12.860721
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