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Enhanced performance of photodetector and photovoltaic based on carrier reflector and back surface field generated by doped graphene
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10.1063/1.4746763
/content/aip/journal/apl/101/7/10.1063/1.4746763
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/7/10.1063/1.4746763
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Raman spectrum and TEM image (inset) of graphene layer. (b) SEM image of the n-ZnO NRs.

Image of FIG. 2.
FIG. 2.

(a) Schematics of Ag/n-ZnO NRs/p-Si/graphene/Al photodetector. (b) J-V characteristics of n-ZnO NRs/p-Si photodetectors with/without graphene at room temperature under dark condition. (c) J-V characteristics of n-ZnO NRs/p-Si photodetectors with/without graphene at room temperature under AM1.5 illumination. (d) Schematics of band alignment of n-ZnO NRs/p-Si/p-type graphene for the illustration of the back surface field and the electron reflector generated by p-type graphene.

Image of FIG. 3.
FIG. 3.

(a) Schematics of Au/Ti/silicon solar cell/graphene/Al device. (b) J-V characteristics of silicon solar cells with Al rear contact and with/without graphene at room temperature under AM1.5 illumination. The inset shows the J-V characteristics of silicon solar cells with Al rear contact and graphene/Al rear contact under dark condition.

Image of FIG. 4.
FIG. 4.

(a) Schematics of Au/Ti/silicon solar cell/graphene/Au device. (b) J-V characteristics of silicon solar cells with Au rear contact and with/without graphene at room temperature under AM1.5 illumination with higher bias. (c) J-V characteristics of silicon solar cells with Au rear contact and graphene/Al rear contact at room temperature under AM1.5 illumination.

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/content/aip/journal/apl/101/7/10.1063/1.4746763
2012-08-17
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced performance of photodetector and photovoltaic based on carrier reflector and back surface field generated by doped graphene
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/7/10.1063/1.4746763
10.1063/1.4746763
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