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Opt Express. 2009 Nov 23;17(24):21712-22. doi: 10.1364/OE.17.021712.

Direct observation of lateral photovoltaic effect in nano-metal-films.

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  • 1Department of Physics, Shanghai Jiao Tong University, Shanghai, PR China.


Lateral photovoltaic effect (LPE) observed on the metal films is unusual because it violates a principle that the LPEs are always observed on the surface of a semiconductor. Compared with early studies, we have realized an obvious metal film LPE in a metal-semiconductor (MS) structure. By further arguing with experimental results, this work also intensively elucidates many features of LPE which the early models never touched upon. All the data and analyses in this study indicate that metal side LPE in MS structure has some natural superiorities to the semiconductor side LPE and may open many exciting opportunities for realizing multifunctional devices.

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