Printable UV detector arrays based on light-induced conductance switching in mesoporous titanium dioxide

被引：2
|
作者：
Cesarini, Matteo [1 ,2 ]
Binda, Maddalena [2 ]
Natali, Dario [1 ,2 ]
机构：
[1] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Pza L da Vinci 32, I-20133 Milan, Italy
[2] Ist Italiano Tecnol, Ctr Nano Sci & Technol PoliMi, Via Pascoli 70-3, I-20133 Milan, Italy
来源：
ORGANIC ELECTRONICS | 2017年 / 49卷
关键词：
Printed UV detector array(s); Titanium dioxide; Screen printing; Light induced conductance switching;
D O I：
10.1016/j.orgel.2017.06.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper a UV sensor is demonstrated, operating at less than 1 V bias and showing a switching range as high as 60 dB for seconds of exposure. To this achievement, light-induced conductance switching in solution processed TiO2 is exploited. Information retention can be tuned from few seconds to almost permanent according to processing conditions. In addition, processing involves a limited thermal budget, which in perspective makes the device compatible with plastic substrates. Prototypical detector arrays, developed as simple crossbar thanks to the peculiar light-matter interaction mechanism, are tested as imagers. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 106
页数：7
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