Solvent-vapour treatment induced performance enhancement of amplified spontaneous emission based on poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1, 4-phenylene vinylene]

doi:10.1088/1674-1056/20/5/054208

Abstract In this work, performance enhancements of amplified spontaneous emission (ASE) from poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) have been achieved via solvent vapour treatment. Correlations between the morphology of the film and the optical performance of polymer-based ASE are investigated. The active layers are characterised by atomic force microscopy and optical absorption. The results show that the solvent-vapour treatment can induce the MEH-PPV self-organisation into an ordered structure with a smooth surface, leading to enhanced optical gain. Thus the solvent-vapour treatment is a good method for improving the optical properties of the MEH-PPV.

Keywords: polymer semiconductor amplified spontaneous emission solvent-vapour treatment

Received: 07 December 2010
Revised: 28 February 2011
Accepted manuscript online:

PACS:	42.70.-a	(Optical materials)
	78.45.+h	(Stimulated emission)
	78.66-w

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Zhang Bo(张波), Hou Yan-Bing(侯延冰), Teng Feng(滕枫), Lou Zhi-Dong(娄志东), Liu Xiao-Jun(刘小君), Hu Bing(胡兵), and Wu Wen-Bin(武文彬) Solvent-vapour treatment induced performance enhancement of amplified spontaneous emission based on poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1, 4-phenylene vinylene] 2011 Chin. Phys. B 20 054208

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Solvent-vapour treatment induced performance enhancement of amplified spontaneous emission based on poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1, 4-phenylene vinylene]

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