Investigation of thermal instability of additive-based high-efficiency organic photovoltaics

En Ping Yao; Yi Jhe Tsai; Wei Chou Hsu

doi:10.1155/2014/952528

Investigation of thermal instability of additive-based high-efficiency organic photovoltaics

En Ping Yao, Yi Jhe Tsai, Wei Chou Hsu

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Most photovoltaics operate at high temperature under sunlight. In this work, the thermal instability of diiodooctane-based high-efficiency bulk heterojunction (BHJ) organic photovoltaics (OPVs) is studied. The BHJ layers were heated to various temperatures to investigate the changes in their physical properties using atomic force microscopy phase images.The mobilities of the carriers were characterized at various temperatures using the space-charge-limited current method, and the carrier lifetime was calculated by applying impedance spectroscopy to the simulated equivalent circuit of the OPV devices.

Original language	English
Article number	952528
Journal	International Journal of Photoenergy
Volume	2014
DOIs	https://doi.org/10.1155/2014/952528
Publication status	Published - 2014

All Science Journal Classification (ASJC) codes

General Chemistry
Atomic and Molecular Physics, and Optics
Renewable Energy, Sustainability and the Environment
General Materials Science

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10.1155/2014/952528

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abstract = "Most photovoltaics operate at high temperature under sunlight. In this work, the thermal instability of diiodooctane-based high-efficiency bulk heterojunction (BHJ) organic photovoltaics (OPVs) is studied. The BHJ layers were heated to various temperatures to investigate the changes in their physical properties using atomic force microscopy phase images.The mobilities of the carriers were characterized at various temperatures using the space-charge-limited current method, and the carrier lifetime was calculated by applying impedance spectroscopy to the simulated equivalent circuit of the OPV devices.",

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AU - Yao, En Ping

AU - Tsai, Yi Jhe

AU - Hsu, Wei Chou

PY - 2014

Y1 - 2014

N2 - Most photovoltaics operate at high temperature under sunlight. In this work, the thermal instability of diiodooctane-based high-efficiency bulk heterojunction (BHJ) organic photovoltaics (OPVs) is studied. The BHJ layers were heated to various temperatures to investigate the changes in their physical properties using atomic force microscopy phase images.The mobilities of the carriers were characterized at various temperatures using the space-charge-limited current method, and the carrier lifetime was calculated by applying impedance spectroscopy to the simulated equivalent circuit of the OPV devices.

AB - Most photovoltaics operate at high temperature under sunlight. In this work, the thermal instability of diiodooctane-based high-efficiency bulk heterojunction (BHJ) organic photovoltaics (OPVs) is studied. The BHJ layers were heated to various temperatures to investigate the changes in their physical properties using atomic force microscopy phase images.The mobilities of the carriers were characterized at various temperatures using the space-charge-limited current method, and the carrier lifetime was calculated by applying impedance spectroscopy to the simulated equivalent circuit of the OPV devices.

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Investigation of thermal instability of additive-based high-efficiency organic photovoltaics

Abstract

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