Demonstration of ZnTe<sub>1-x</sub>O<sub>x</sub> Intermediate Band Solar Cell
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概要
- 論文の詳細を見る
We report the optical properties of ZnTe<sub>1-x</sub>O<sub>x</sub> (ZnTeO) and evidence for the photovoltaic (PV) activity of a ZnTeO intermediate band solar cell (IBSC). By photomodulated reflectance measurements, electron transitions from the intermediate band to the conduction band were demonstrated. The optical absorption coefficients for the electron transition from the valence band to the intermediate band exceeds $2\times 10^{4}$ cm-1, suitable for thin-film PV device applications. The ZnTeO IBSC exhibits an enhanced spectral response below the band edge of ZnTe, and all results are consistent with the proposed conversion mechanism of IBSC.
- 2011-08-25
著者
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Tanaka Tooru
Department Of Biotechnology Faculty Of Engineering Kansai University
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Nishio Mitsuhiro
Department Of Electrical And Electronic Engineering Faculty Of Science And Engineering Saga Universi
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Yu Kin
Materials Sciences Division Lawrence Berkeley National Laboratory
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Walukiewicz Wladek
Materials Sciences Division Lawrence Berkeley National Laboratory
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Reichertz Lothar
Materials Sciences Division Lawrence Berkeley National Laboratory
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Yu Kin
Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, U.S.A.
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Levander Alejandro
Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, U.S.A.
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Dubon Oscar
Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, U.S.A.
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Lopez Nair
Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, U.S.A.
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Walukiewicz Wladek
Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, U.S.A.
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