Improved Solubility and Characterization of Photovoltaic Properties D/A Copolymers based on Rigid Structure of Phenothiazine-Quinoxaline 


Vol. 20,  No. 4, pp. 415-424, Dec.  2014


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  Abstract

In this study, two kinds of polymer (PPQX-2hdPTZ (P1), POPQX-2hdPTZ (P2)) were synthesised by Suzuki coupling reaction based on phenothiazine derivative as electron-donor and quinoxaline derivative as electron-acceptor. Microwave synthesis workstation was used to shorten the polymerization time and increase the degree of polymerization. The physical, thermal stability, optical and electrochemical properties of the synthesized polymer were confirmed. The thermal stability of two polymers was outstanding as the initial decomposition temperature was 323-328℃. And additional substituted alkoxy chain on P2 showed higher degree of polymerization. An analysis of electrochemical properties, all polymer had similar HOMO energy level values. Device was fabricated by ITO/PEDOT:PSS/active layer/BaF2/Al structure and photovoltaic properties were confirmed. Each device has a different film thickness and the resulting change in PCE was confirmed. As a result the thinner thickness of the film showed a high efficiency (PCEmax: P1 = 1.0%, P2 = 1.1%).

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  Cite this article

[IEEE Style]

S. KH, Y. DH, P. YS, "Improved Solubility and Characterization of Photovoltaic Properties D/A Copolymers based on Rigid Structure of Phenothiazine-Quinoxaline," Clean Technology, vol. 20, no. 4, pp. 415-424, 2014. DOI: .

[ACM Style]

Seong KH, Yun DH, and Park YS. 2014. Improved Solubility and Characterization of Photovoltaic Properties D/A Copolymers based on Rigid Structure of Phenothiazine-Quinoxaline. Clean Technology, 20, 4, (2014), 415-424. DOI: .

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