Temperature-modulating rectifier behavior and photovoltaic response of VOx/Nb:SrTiO3 heterojunctions

被引：3
|
作者：
Zhu, Ya Bin [1 ]
Liu, Yi Xuan [1 ]
Wang, Ji [1 ]
Zhao, Li [1 ]
Zhan, Kuo [1 ]
Chen, Yun Lin [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Appl Micronano Mat, Sch Sci, Beijing 100044, Peoples R China
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2020年 / 53卷 / 26期
基金：
中国国家自然科学基金;
关键词：
thermochromism; semiconductor-metal phase transition; heterojunction; resistance switch phenomena; photovoltaic modulating devices; METAL-INSULATOR-TRANSITION; THIN-FILM; VO2;
D O I：
10.1088/1361-6463/ab7e62
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Vanadium oxide (VOx) is a promising candidate as a material for smart windows, and 0.7 wt% Nb-doped SrTiO3 (NSTO) is frequently used in electrodes for electro-optic devices. Here, we demonstrate that a rectifying VOx/Nb: SrTiO3 heterojunction has a photovoltaic response. It can be used in thermochromic photovoltaic modulating devices. The crystalline structure and electrical characteristics of VOx thin film deposited on NSTO were investigated. It was found that an asymmetric hysteresis current between increasing and decreasing voltages occurs at 80, 300 and 360 K. The photovoltaic effect was observed under irradiation by a pulsed laser.
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页数：6
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