Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field

doi:10.1088/1674-1056/19/3/038601

中国物理B ›› 2010, Vol. 19 ›› Issue (3): 38601-038601.doi: 10.1088/1674-1056/19/3/038601

Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field

夏瑞东¹, 冯志慧², 侯延冰², 师全民², 秦丽芳², 李妍², 张磊², 刘小君², 腾枫², 王永生²

(1)Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2BZ, UK; (2)Key Laboratory of Luminescence and Optical Information, Ministry of Education; Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China

收稿日期:2009-06-20 修回日期:2009-07-28 出版日期:2010-03-15 发布日期:2010-03-15
基金资助:
Project supported by the New-Century Training Program Foundation for Talents of the Natural Science (Grant No.~NCET-08-0717), the National Natural Science Foundation of China (Grant Nos.~60777026, 60677007 and 60825407), and the Program of Introducing Talents of Discipline to Universities (Grant No.~B08002).

Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field

Feng Zhi-Hui(冯志慧)^a), Hou Yan-Bing(侯延冰)^a)†, Shi Quan-Min(师全民)^a), Qin Li-Fang(秦丽芳)^a), Li Yan(李妍)^a), Zhang Lei(张磊)^a), Liu Xiao-Jun(刘小君)^a), Teng Feng(腾枫)^a), Wang Yong-Sheng(王永生)^a), and Xia Rui-Dong(夏瑞东)^b)

^a Key Laboratory of Luminescence and Optical Information, Ministry of Education; Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China; ^b Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2BZ, UK

Received:2009-06-20 Revised:2009-07-28 Online:2010-03-15 Published:2010-03-15
Supported by:
Project supported by the New-Century Training Program Foundation for Talents of the Natural Science (Grant No.~NCET-08-0717), the National Natural Science Foundation of China (Grant Nos.~60777026, 60677007 and 60825407), and the Program of Introducing Talents of Discipline to Universities (Grant No.~B08002).

摘要/Abstract

摘要： In the process of fabrication of polymer photovoltaic (PV) devices, poly (3, 4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) thin film, acting as an anode buffer layer, is spin-coated under the action of an electric field. The PV devices with a PEDOT:PSS layer spin-coated under the action of a static electric field exhibit improved short-circuit current density (J_sc) and power conversion efficiency (PCE). The investigation of morphology shows that the appropriate intensity of the electric field can increase the roughness of the surface of the PEDOT:PSS layer, which results in improved contact between the anode and hole transport layer and thus enhances the J_sc of the devices. Chemical analysis is also provided by x-ray photoelectron spectroscopy (XPS) spectra.

Abstract: In the process of fabrication of polymer photovoltaic (PV) devices, poly (3, 4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) thin film, acting as an anode buffer layer, is spin-coated under the action of an electric field. The PV devices with a PEDOT:PSS layer spin-coated under the action of a static electric field exhibit improved short-circuit current density (J_sc) and power conversion efficiency (PCE). The investigation of morphology shows that the appropriate intensity of the electric field can increase the roughness of the surface of the PEDOT:PSS layer, which results in improved contact between the anode and hole transport layer and thus enhances the J_sc of the devices. Chemical analysis is also provided by x-ray photoelectron spectroscopy (XPS) spectra.

Key words: polymer solar cell, photovoltaic, spin-coating under electric field

中图分类号: (Photoelectric conversion)

84.60.Jt

68.55.-a (Thin film structure and morphology) 81.15.-z (Methods of deposition of films and coatings; film growth and epitaxy) 82.80.Pv (Electron spectroscopy (X-ray photoelectron (XPS), Auger electron spectroscopy (AES), etc.)) 68.35.B- (Structure of clean surfaces (and surface reconstruction))

冯志慧, 侯延冰, 师全民, 秦丽芳, 李妍, 张磊, 刘小君, 腾枫, 王永生, 夏瑞东. Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field[J]. 中国物理B, 2010, 19(3): 38601-038601.

Feng Zhi-Hui(冯志慧), Hou Yan-Bing(侯延冰), Shi Quan-Min(师全民), Qin Li-Fang(秦丽芳), Li Yan(李妍), Zhang Lei(张磊), Liu Xiao-Jun(刘小君), Teng Feng(腾枫), Wang Yong-Sheng(王永生), and Xia Rui-Dong(夏瑞东). Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field[J]. Chin. Phys. B, 2010, 19(3): 38601-038601.

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Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field

Polymer solar cells based on a PEDOT:PSS layer spin-coated under the action of an electric field

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