Black Phosphorus-Zinc Oxide Nanomaterial Heterojunction for p-n Diode and Junction Field-Effect Transistor
- Title
- Black Phosphorus-Zinc Oxide Nanomaterial Heterojunction for p-n Diode and Junction Field-Effect Transistor
- Authors
- 황도경; 이영택; 전표진; 임준영; 김진성; 임성일
- Keywords
- Black phosphorus; zinc oxide nanowire; heterojunction; p?n diode; junction field-effect transistor
- Issue Date
- 2016-02
- Publisher
- Nano letters
- Citation
- VOL 16, 1293-1298
- Abstract
- Black phosphorus (BP) nanosheet is two-dimensional (2D) semiconductor with distinct band gap and attracting recent attention from researches because it has some similarity to gapless 2D semiconductor graphene in the following two aspects: single element (P) for its composition and quite high mobilities depending on its fabrication conditions. Apart from several electronic applications reported with BP nanosheet, here we report for the first time BP nanosheet– ZnO nanowire 2D– 1D heterojunction applications for p– n diodes and BP-gated junction field effect transistors (JFETs) with n-ZnO channel on glass. For these nanodevices, we take advantages of the mechanical flexibility of p-type conducting of BP and van der Waals junction interface between BP and ZnO. As a result, our BP– ZnO nanodimension p– n diode displays a high ON/OFF ratio of ∼104 in static rectification and shows kilohertz dynamic rectification as well while ZnO nanowire channel JFET operations are nicely demonstrated by BP gate switching in both electrostatics and kilohertz dynamics.
- URI
- http://pubs.kist.re.kr/handle/201004/59119
- ISSN
- 15306984
- Appears in Collections:
- KIST Publication > Article
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