Issue 69, 2015
From the journal:

RSC Advances

Performance evaluation of PTB7 : PC71BM based organic solar cells fabricated by spray coating method using chlorine free solvent

Murugesan Vijay Srinivasan,a   Norio Tsuda,a   Paik-Kyun Shinc  and  Shizuyasu Ochiai*b  

* Corresponding authors

a Department of Electrical Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan

b Professor emeritus, Aichi Institute of Technology, Toyota-470-0392, Japan
E-mail: ochiai@aitech.ac.jp

c Department of Electrical Engineering, Inha University, Incheon 402-751, Korea

Abstract

The PTB7 : PC71BM polymer based solar cells have been successfully fabricated by spin and spray coating technique using chlorine-free solvent (xylene), which are desirable to reduce environmental issues. The surface morphology of fabricated film characterized by AFM reveals that the surface morphology of the film is uniform and smooth when xylene is used as compared with chlorobenzene. The highest power conversion efficiency (PCE) (5.07 ± 0.6) was achieved using spray-coating technique than that of spin coating technique (PCE of 4.47 ± 0.6). The enhancement in the performance of the polymer solar cell could be attributed to the improved charge carrier transportation due to additive. The combination of chlorine-free solvent and spray-coating method minimize the waste material and reduce the environmental problem in large-area production of organic solar cells (OSCs).

Graphical abstract: Performance evaluation of PTB7 : PC71BM based organic solar cells fabricated by spray coating method using chlorine free solvent

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Article information

DOI
https://doi.org/10.1039/C5RA04760A
Article type
Paper
Submitted
18 Mar 2015
Accepted
16 Jun 2015
First published
16 Jun 2015

RSC Adv., 2015,5, 56262-56269

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Performance evaluation of PTB7 : PC71BM based organic solar cells fabricated by spray coating method using chlorine free solvent

M. V. Srinivasan, N. Tsuda, P. Shin and S. Ochiai, RSC Adv., 2015, 5, 56262 DOI: 10.1039/C5RA04760A

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