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Issue 16, 2017
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Adjustable electrical characteristics in hybrid Si/PEDOT:PSS core/shell nanowire hetero-junctions

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Abstract

Si/PEDOT:PSS core/shell nanowire hetero-junctions with adjustable electrical characteristics are reported. They exhibit an ohmic behavior ascribed to p-type Si/PEDOT:PSS, whereas n-type Si/PEDOT:PSS displays a rectifying nature. A large interfacial area within the core/shell nanowire configuration is beneficial for charge transport, decreasing the resistance by 60% for p-type Si/PEDOT:PSS, and increasing the rectification ratio by 10 times for n-type Si/PEDOT:PSS as compared to the planar structure. By incorporating a perfluorinated ionomer into PEDOT:PSS, the reverse saturation current densities of n-type Si/PEDOT:PSS core/shell nanowire hetero-junctions are reduced by 2 to 4 orders of magnitude, and the rectification performances are enhanced.

Graphical abstract: Adjustable electrical characteristics in hybrid Si/PEDOT:PSS core/shell nanowire hetero-junctions

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Publication details

The article was received on 22 Jan 2017, accepted on 13 Mar 2017 and first published on 14 Mar 2017


Article type: Paper
DOI: 10.1039/C7TC00376E
Citation: J. Mater. Chem. C, 2017,5, 3932-3936
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    Adjustable electrical characteristics in hybrid Si/PEDOT:PSS core/shell nanowire hetero-junctions

    W. Lu, S. Zhang, E. Dai, B. Miao, Y. Peng, T. Pang, T. Zhang, L. Yan, S. Zhang, J. Li and X. Wang, J. Mater. Chem. C, 2017, 5, 3932
    DOI: 10.1039/C7TC00376E

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