DOI: 10.1002/smll.201203188. Monolayer Graphene Film on ZnO Nanorod Array for High‐Performance Schottky Junction Ultraviolet Photodetectors

Monolayer Graphene Film on ZnO Nanorod Array for High‐Performance Schottky Junction Ultraviolet Photodetectors

10.1002/smll.201203188

Crossref journal-article

Wiley

Small (311)

Abstract

AbstractA new Schottky junction ultraviolet photodetector (UVPD) is fabricated by coating a free‐standing ZnO nanorod (ZnONR) array with a layer of transparent monolayer graphene (MLG) film. The single‐crystalline [0001]‐oriented ZnONR array has a length of about 8–11 μm, and a diameter of 100∼600 nm. Finite element method (FEM) simulation results show that this novel nanostructure array/MLG heterojunction can trap UV photons effectively within the ZnONRs. By studying the I–V characteristics in the temperature range of 80–300 K, the barrier heights of the MLG film/ZnONR array Schottky barrier are estimated at different temperatures. Interestingly, the heterojunction diode with typical rectifying characteristics exhibits a high sensitivity to UV light illumination and a quick response of millisecond rise time/fall times with excellent reproducibility, whereas it is weakly sensitive to visible light irradiation. It is also observed that this UV photodetector (PD) is capable of monitoring a fast switching light with a frequency as high as 2250 Hz. The generality of the above results suggest that this MLG film/ZnONR array Schottky junction UVPD will have potential application in future optoelectronic devices.

Bibliography

Nie, B., Hu, J., Luo, L., Xie, C., Zeng, L., Lv, P., Li, F., Jie, J., Feng, M., Wu, C., Yu, Y., & Yu, S. (2013). Monolayer Graphene Film on ZnO Nanorod Array for HighâPerformance Schottky Junction Ultraviolet Photodetectors. Small, 9(17), 2872â2879. Portico.

Authors 12

Biao Nie (first)
Ji‐Gang Hu (additional)
Lin‐Bao Luo (additional)
Chao Xie (additional)
Long‐Hui Zeng (additional)
Peng Lv (additional)
Fang‐Ze Li (additional)
Jian‐Sheng Jie (additional)
Mei Feng (additional)
Chun‐Yan Wu (additional)
Yong‐Qiang Yu (additional)
Shu‐Hong Yu (additional)

References 43 Referenced 287

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Dates

Type	When
Created	12 years, 5 months ago (March 14, 2013, 4:14 a.m.)
Deposited	1 year, 10 months ago (Oct. 8, 2023, 4:21 a.m.)
Indexed	1 week, 6 days ago (Aug. 19, 2025, 6:41 a.m.)
Issued	12 years, 5 months ago (March 13, 2013)
Published	12 years, 5 months ago (March 13, 2013)
Published Online	12 years, 5 months ago (March 13, 2013)
Published Print	11 years, 11 months ago (Sept. 9, 2013)

Funders 0

None

BibTeX

@article{Nie_2013, title={Monolayer Graphene Film on ZnO Nanorod Array for High‐Performance Schottky Junction Ultraviolet Photodetectors}, volume={9}, ISSN={1613-6829}, url={http://dx.doi.org/10.1002/smll.201203188}, DOI={10.1002/smll.201203188}, number={17}, journal={Small}, publisher={Wiley}, author={Nie, Biao and Hu, Ji‐Gang and Luo, Lin‐Bao and Xie, Chao and Zeng, Long‐Hui and Lv, Peng and Li, Fang‐Ze and Jie, Jian‐Sheng and Feng, Mei and Wu, Chun‐Yan and Yu, Yong‐Qiang and Yu, Shu‐Hong}, year={2013}, month=mar, pages={2872–2879} }

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