Micro-textured conductive polymer/silicon heterojunction photovoltaic devices with high efficiency

被引：126

作者：

Chen, Ting-Gang ^{[1
,2
]}

Huang, Bo-Yu ^{[1
,2
]}

Chen, En-Chen ^{[3
]}

Yu, Peichen ^{[1
,2
]}

Meng, Hsin-Fei ^{[3
]}

机构：

[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan

[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 30010, Taiwan

[3] Natl Chiao Tung Univ, Inst Phys, Hsinchu 30010, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 03期

关键词：

SOLAR-CELLS; ENERGY;

D O I：

10.1063/1.4734240

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, hybrid heterojunction solar cells are demonstrated based on a conjugate polymer poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS) directly spun-cast on micro-textured n-type crystalline silicon wafers. The fabrication conditions suggest that the organic coverage on the micro-textured surface is excellent and key to achieve high efficiency, leading to an average power conversion efficiency of 9.84%. A one-dimensional drift-diffusion model is then developed based on fitting the device characteristics with experimentally determined PEDOT: PSS parameters and projects an ultimate efficiency above 20% for organic/inorganic hybrid photovoltaics. The simulation results reveal the impacts of defect densities, back surface recombination, doping concentration, and band alignment. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4734240]

引用

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