Effect of slow-solvent-vapour treatment on performance of polymer photovoltaic devices

doi:10.1088/1674-1056/19/9/098601

Abstract In this work, enhanced poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) bulk-heterojunction photovoltaic devices are achieved via slow-solvent-vapour treatment. The correlations between the morphology of the active layer and the photovoltaic performance of polymer-based solar cell are investigated. The active layers are characterized by atomic force microscopy and optical absorption. The results show that slow-solvent-vapour treatment can induce P3HT self-organization into an ordered structure, leading to the enhanced absorption and efficient charge transport.

Keywords: polymer solar cell solvent-vapour treatment self-organization

Received: 02 February 2010
Revised: 01 April 2010
Accepted manuscript online:

PACS:	8630J
	6855
	4270

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 60978061, 60777026, 60677007 and 60825407), the Program for New Century Excellent Talents in University (Grant No. NCET-08-0717), the Beijing Municipal Science and Technology Commission (Grant Nos. Z090803044009001 and 4102046), and the Program of Introducing Talents of Discipline to Universities, China (Grant No. B08002).

Cite this article:

Feng Zhi-Hui(冯志慧), Hou Yan-Bing(侯延冰), Shi Quan-Min(师全民), Liu Xiao-Jun(刘小君), and Teng Feng(滕枫) Effect of slow-solvent-vapour treatment on performance of polymer photovoltaic devices 2010 Chin. Phys. B 19 098601

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