Photo-enhanced field emission studies of tapered CdS nanobelts

被引：0
|
作者：
Chavan, Padmakar G. [1 ,2 ]
More, Mahendra A. [1 ]
Joag, D. S. [1 ]
Badadhe, Satish S. [3 ]
Mulla, Lintiaz S. [3 ,4 ]
机构：
[1] Univ Pune, Dept Phys, Ctr Adv Studies Mat Sci & Condensed Matter Phys, Pune 411007, Maharashtra, India
[2] North Maharashtra Univ, Sch Phys Sci, Dept Phys, Jalgaon 425001, India
[3] Natl Chem Lab, Phys & Mat Chem Div, Pune 411008, Maharashtra, India
[4] CMET, Pune 411008, Maharashtra, India
来源：
2014 27TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) | 2014年
关键词：
Nanobelts; Field Emission; Current stability; Photoswitching;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Field emission and photo-enhanced field emission characteristics of single crystalline tapered CdS nanobelts have been investigated. The turn-on field for the emission current density of similar to 0.1 mu A/cm(2) is found to be similar to 2.1 V/mu m, which is much lower than reported values for various CdS nanostructures. The photo-enhanced field emission current shows a reproducible photo-switching behavior with rise in current level nearly four times that of its initial preset value (similar to 1 mu A) which is found to be very remarkable. Possible mechanism of photo-enhanced field emission is discussed.
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页数：2
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