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个人信息Personal Information
教授
博士生导师
硕士生导师
任职 : 精细化工全国重点实验室主任，教育部智能材料化工前沿科学中心执行主任，大连理工大学膜科学与技术研究开发中心主任
性别：女
毕业院校：中国科学院大连化物所
学位：博士
所在单位：化工学院
学科：化学工程. 膜科学与技术. 生物医学工程
联系方式：hgaohong@dlut.edu.cn
电子邮箱：hgaohong@dlut.edu.cn
Hybrid UV photodetector with high photo-to-dark current ratio based on ordered TiO2 nanorod arrays and polystyrene sulfate
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论文类型：期刊论文
发表时间：2013-11-01
发表刊物：SCIENCE CHINA-TECHNOLOGICAL SCIENCES
收录刊物：SCIE、EI、Scopus
卷号：56
期号：11
页面范围：2642-2645
ISSN号：1674-7321
关键字：TiO2 nanorods arrays; UV photodetector; polystyrene sulfate (PSS) functionalized
摘要：Vertically aligned TiO2 nanorods arrays were successfully synthesized on FTO glass by wet-chemical method. Based on polystyrene sulfate (PSS) functionalized TiO2 nanorods arrays, a sandwich-structured hybrid UV photodetector was fabricated. The photo-to-dark current ratio of the device increases by more than 3 orders of magnitude with typical case, while the dark current is about 10 nA at 1 V bias. The high photoresponse together with the low dark current could probably contribute a large photocurrent and low-power application. The high performance of the hybrid material and facile low-cost fabrication of the UV detector make the devices promising for large-area UV photodetection applications.