Synthesis and X-ray responsivity of Zn0.75Cd0.25Te nanoribbons

被引：5

作者：

Li, Shanying ^{[1
,2
]}

Jiang, Yang ^{[1
]}

Wu, Di ^{[1
]}

Zhang, Yugang ^{[1
]}

Li, Junwei ^{[1
]}

Yang, Ben ^{[1
]}

Ding, Xianan ^{[1
]}

Zhong, Honghai ^{[1
]}

Chen, Lei ^{[1
]}

Wu, Lihui ^{[3
]}

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

[2] Henan Univ Urban Construct, Dept Chem & Chem Engn, Pingdingshan 467036, Henan, Peoples R China

[3] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Anhui, Peoples R China

来源：

MICRO & NANO LETTERS | 2011年 / 6卷 / 08期

基金：

国家高技术研究发展计划(863计划);

关键词：

DETECTORS; NANOWIRES; CDTE; LAW;

D O I：

10.1049/mnl.2011.0305

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

To reduce the size and to lower energy consumption are very important for the portable X-ray detector. It is clear that the nanodetector based on nanotechnology will be the future trend. The single-crystalline Zn0.75Cd0.25Te nanoribbons are synthesised by a two-step process, and the X-ray detectors from individual nanoribbon are fabricated. The X-ray detecting performances are carried out by using three kinds of X-ray source with different energy of 8.857, 9.659 and 11.564 KeV, respectively. The nanodetectors exhibit a high sensitivity, fast response speed, which are attributed to the high-aspect ratio, nearly perfect single-crystalline quality and the reduction of the recombination barrier in the ribbon. The remarkable X-ray responsivity implies that the Zn0.75Cd0.25 nanoribbons are a very attractive candidate for application in X-ray nanodetectors at room temperature.

引用

页码：624 / 627

页数：4

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