Effect of particle size and inter-electrode distance on the field-emission properties of nanocrystalline CdS thin films grown in a polymer matrix by chemical bath deposition

被引：32
|
作者：
Ghosh, P. K. [1 ]
Jana, S. [1 ]
Maity, U. N. [1 ]
Chattopadhyay, K. K. [1 ]
机构：
[1] Jadavpur Univ, Dept Phys, Thin Film & Nanosci Lab, Kolkata 700032, W Bengal, India
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2006年 / 35卷 / 01期
关键词：
CdS nanoparticles; TEM; field emission;
D O I：
10.1016/j.physe.2006.07.029
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The field-emission property of transparent nanocrystalline US thin films, grown by chemical bath deposition (CBD) within the pores of polyvinyl alcohol (PVA) on Si and glass substrates, has been studied. X-ray diffraction and transmission electron microscopy studies confirmed the nanocrystalline nature of the US particles with sizes lying in the range 6-12 nm. The Fowler-Nordhiem plots of the emission current from the nano-CdS/PVA thin films are almost straight line. The turn-on fields of the grown nano-CdS/PVA thin films are found to be in the range of 3.6-6.6 V/mu m. The turn-on field decreases with the decrease of particle size. Only PVA thin film and bulk CdS/PVA composite thin film grown on Si substrates have not showed field-emission property under the same conditions. (c) 2006 Published by Elsevier B.V.
引用
收藏
页码：178 / 182
页数：5
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