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Optical properties of the composite film from P3HT and hydrothermally synthesized porous carbon nanospheres

Published online by Cambridge University Press:  04 May 2015

Lingpeng Yan ,
Weijia Yang ,
Yamin Hao ,
Yongzhen Yang ,
Xuguang Liu  and
Bingshe Xu
Lingpeng Yan
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
Weijia Yang
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
Yamin Hao
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
Yongzhen Yang*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
Xuguang Liu*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Applied Chemistry Department, College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
Bingshe Xu*
Affiliation:
Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China; and Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi province, China
*
a)Address all correspondence to these authors. e-mail: yyztyut@126.com
b)e-mail: liuxuguang@tyut.edu.cn
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Abstract

Porous carbon nanospheres (PCNSs), with a diameter of about 100 nm and porous structure, were synthesized by a hydrothermal method. Then, poly(3-hexylthiophene):PCNS (P3HT:PCNS) composite films were prepared by a spin-coating method using PCNS and P3HT mixtures in a chlorobenzene solution. The effects of mixture ratio, revolving speed, suspension concentration during spin coating, and annealing on the optical properties of P3HT:PCNS composite films were investigated. The results indicate that PCNSs exhibit an energy level matching with P3HT and the optical properties of the P3HT:PCNSs depend strongly on mixture ratio, revolving speed, and suspension concentration during spin coating. A 2:1 ratio of P3HT to PCNSs, suspension concentration of 20 mg/mL (P3HT), and spinning rate of 2000 rpm are appropriate for fabricating P3HT:PCNS composite films, and annealing increases the crystallinity of P3HT, resulting in enhanced visible light absorption and increased charge transport in composite films.

Type
Articles
Information
Journal of Materials Research , Volume 30 , Issue 10 , 28 May 2015 , pp. 1599 - 1610
Copyright
Copyright © Materials Research Society 2015 

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