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Zero-biased near-ultraviolet and visible photodetector based on ZnO nanorods/ heterojunction
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10.1063/1.3082096
/content/aip/journal/apl/94/6/10.1063/1.3082096
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3082096
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) The diagram of the ZnO nanorods/ heterojunction. (b) Top view of the SEM photograph of the as-prepared ZnO nanorods. (c) A cross-sectional SEM image of the as-prepared ZnO nanorods.

Image of FIG. 2.
FIG. 2.

(a) Dark characteristics of the unannealed and annealed ZnO nanorods/ heterojunctions, respectively. The insets show the Ohmic contact characteristics between two Al contacts on the unannealed and annealed ZnO nanorods, respectively. (b) The vs voltage curve of the unannealed heterojunction and the vs voltage curve of the annealed heterojunction measured at 1MHz, respectively.

Image of FIG. 3.
FIG. 3.

(a) Zero-biased photoresponsivity spectra of the unannealed and annealed sample, respectively. (b) Photoresponsivity spectra of the annealed sample when applying forward bias and reverse bias, respectively.

Image of FIG. 4.
FIG. 4.

(a) The energy band diagram of the unannealed ZnO nanorods/ heterojunction. [(b)–(d)] The energy band diagram of the annealed ZnO nanorods/ heterojunction under (b) zero bias, (c) forward bias, and (d) reverse bias, respectively.

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/content/aip/journal/apl/94/6/10.1063/1.3082096
2009-02-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Zero-biased near-ultraviolet and visible photodetector based on ZnO nanorods/n-Si heterojunction
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3082096
10.1063/1.3082096
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