Photocurrent Action Spectra of the Photoconductive Cell with a Mesogenic Long-Chain Tetraphenylporphyrin

Yo Shimizu Department of Organic Chemistry, Osaka National Research Institute, AIST-MITI Midorigaoka, Ikeda, Osaka, 563-8577, Japan

Tomonorifuchita Department of Organic Chemistry, Osaka National Research Institute, AIST-MITI Midorigaoka, Ikeda, Osaka, 563-8577, Japan; Joined under the graduate study course from Osaka Electro-Communication University, Hatsucho, Neyagawa, Osaka

Taizo Higashiyama Department of Organic Chemistry, Osaka National Research Institute, AIST-MITI Midorigaoka, Ikeda, Osaka, 563-8577, Japan

Takushi Sugino Department of Organic Chemistry, Osaka National Research Institute, AIST-MITI Midorigaoka, Ikeda, Osaka, 563-8577, Japan; Joined under the graduate study course from Osaka Electro-Communication University, Hatsucho, Neyagawa, Osaka

Abstract

Photocurrent action spectra for the cell in which 5,10,15,20-tetrakis(4-n-pentadecylphe-nyl)porphyrin (C₁₅TPPH₂) is sandwiched by ITO electrodes were measured and the phase dependence of the action spectra indicated a variable combination of the extrinsic and intrinsic carrier generation processes on the mesomorphic phase transitions. This results is in agreement with that deduced by the illumination intensity dependence of photocurrent.

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Photocurrent Action Spectra of the Photoconductive Cell with a Mesogenic Long-Chain Tetraphenylporphyrin

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Photocurrent Action Spectra of the Photoconductive Cell with a Mesogenic Long-Chain Tetraphenylporphyrin

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