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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.31 No.6
- 발행연도
- 2022.11
- 수록면
- 133 - 136 (4page)
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초록· 키워드
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We report the enhancement of ultraviolet (UV) photoresponse in graphene/ZnO photodiodes decorated with Pt nanoparticles (NPs). The Pt NPs were directly formed onto few-layer graphene, which acted as a window layer for the UV photodetector. The current-voltage (I-V) characteristics of the graphene/ZnO photodiode indicate the existence of a Schottky barrier between the graphene and ZnO. Notably, the I-V features were not affected by the Pt NP decoration of the graphene layer. The response time and photocurrent generation in the graphene/ZnO photodiode were significantly improved by the introduction of Pt NPs onto the graphene layer, mainly because of the plasmonic enhancement arising from the localized field in the Pt NPs. These results suggest that Pt NP functionalization of graphene/ZnO photodiodes promotes efficient photodetection in the UV spectral region.
목차
ABSTRACT
1. Introduction
2. Experimental details
3. Results and discussion
4. Conclusions
References
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