期刊
OPTICAL MATERIALS
卷 142, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.optmat.2023.113981
关键词
GO-ZnO nanocomposite; GO-ZnO; Cu nanocomposite; UV photosensor; Specific detectivity; Response time; Recovery time
A UV photodetector was fabricated by synthesising zinc oxide (ZnO) on fluorine doped tin oxide (FTO) thin film using a one-pot synthesis method. The incorporation of graphene oxide (GO) in the ZnO growth solution increased the UV photocurrent by up to 300%, while cooper doping of the GO-ZnO nanocomposite enhanced the response time by 22%. The addition of GO (0.1%-10%) in the ZnO growth solution enhanced the photo-responsive property and confirmed the increased growth of nano-flake like ZnO nanostructure from FE-SEM images. The FTO/0.5% GO-ZnO device showed improved photocurrent, responsivity, EQE, and specific detectivity compared to other devices.
In this work, UV photodetector was fabricated by synthesising zinc oxide (ZnO) on fluorine doped tin oxide (FTO) thin film via a one-pot synthesis method. The incorporation of GO into the ZnO growth solution resulted in an increase of UV photocurrent of the ZnO UV detector by up to 300%, while cooper doping of the GO-ZnO nanocomposite enhanced the response time by 22%. The photo-responsive property is enhanced by including graphene oxide (GO) (0.1%-10%) in the ZnO growth solution. The increased growth of nano-flake like ZnO nanostructure is confirmed from FE-SEM images. 0.5% GO-ZnO nanocomposite devices have shown a photocurrent of 610.4 & mu;A. The FTO-0.5% GO-ZnO device also had a responsivity of 4.92 AW-1, an EQE of 1696.48%, and a specific detectivity of 7.3 x 1011 Jones. The devices were tested under varied working temperatures and relative humidity levels to ensure their utility and effectiveness. The FTO/GO-ZnO:Cu device showed a response and recovery times of 62.47 s and 174.22 s, respectively, 22% faster than the other reported devices.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据