Photovoltaic Characteristics of Phthalocyanine-Polysilane Composite Films
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概要
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Poly[p-(methylphenylsilanylene)anthrylene] (PMPSA) which introduced anthracene into the Si–Si backbone structure of poly(methylphenylsilanylene) (PMPS) was synthesized. Schottky barrier photovoltaic cells consisting of semitransparent aluminum and phthalocyanine (H2Pc) dispersed in PMPSA were fabricated (H2Pc-PMPSA). The effects of a binder polymer and annealing of PMPSA on the photovoltaic characteristics were investigated. Since the conductivity of H2Pc-PMPSA composite films increases by the introduction of anthracene and the annealing, the photovoltaic property of H2Pc-PMPSA improves markedly. It is found that the power conversion efficiency becomes a maximum for H2Pc-PMPSA with a copolymerization ratio ($1:1$) at the annealing temperature of 160°C for 2 h. The photovoltaic parameters have the following values: the power conversion efficiency $\eta$ is 4.42%, the fill factor F.F. is 0.30, the open circuit voltage $V_{\text{oc}}$ is 0.84 V and the short circuit photocurrent $J_{\text{sc}}$ is 0.71 $\mu$A/cm2. Furthermore, the carrier transport mechanisms of H2Pc-PMPSA composite films are discussed.
- 2001-02-15
著者
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Haga Yutaka
Department Of Aquatic Biosciences Tokyo University Of Marine Science And Technology
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Harada Yuto
Department Of Electronics Chiba Institute Of Technology
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Haga Yutaka
Department of Electronics, Chiba Institute of Technology, 2-17-1, Tsudanuma, Narashino, Chiba 275-0016, Japan
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