iIn-Situ/iMeasurements of the Photoconductivity of Multi-Layered Organic Photovoltaic Devices Using Impedance Spectroscopy

Ryoji Maeda; Hiroshi Tokairin; Jun-Ichi Takahashi; Yuji Yoshida

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iIn-Situ/iMeasurements of the Photoconductivity of Multi-Layered Organic Photovoltaic Devices Using Impedance Spectroscopy

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In-situ impedance spectroscopy (IS) observations of the photoconductivity of the carriers induced by photo-irradiation in organic hetero-junction structured photovoltaic devices are presented. In the IS measurements, the externally applied voltage and the dependence of the light intensity applied to the device were investigated. Analysis of the frequency characteristics which was measured by changing the light intensity shows there is a proportional relationship between the changes in the conductivities of the two components. The mobilities of the CuPc and C60 layers were calculated from the conductivities and were in the orders of 10﹣4 and 10﹣3 cm2/Vs, respectively.

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来源
《材料物理与化学进展（英文）》 |2015年第2期|47-52|共6页
作者
Ryoji Maeda; Hiroshi Tokairin; Jun-Ichi Takahashi; Yuji Yoshida;
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作者单位

Interdisciplinary Graduate School of Science and Engineering;

Tokyo Institute of Technology;

Yokohama;

Japan;

Advanced Technology Research Laboratories;

Idemitsu Kosan Co.;

Ltd.;

Sodegaura;

Japan;

Research Center for Photovoltaic Technologies;

AIST;

Tsukuba;

Japan;

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原文格式 PDF
正文语种 chi
中图分类化学;
关键词
Organic; Photovoltaic; Cells; Impedance; Spectroscopy; Modulus; Analysis; Photoconductivity;

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iIn-Situ/iMeasurements of the Photoconductivity of Multi-Layered Organic Photovoltaic Devices Using Impedance Spectroscopy

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