Soft template-mediated coupling construction of sandwiched mesoporous PPy/Ag nanoplates for rapid and selective NH3 sensing

Facai Wei; Yonghui Zhong; Hao Luo; Yong Wu; Jianwei Fu; Qingguo He; Jiangong Cheng; Jongbeom Na; Yusuke Yamauchi; Shaohua Liu

doi:10.1039/D1TA01110C

Soft template-mediated coupling construction of sandwiched mesoporous PPy/Ag nanoplates for rapid and selective NH₃ sensing†

Facai Wei,

‡^a Yonghui Zhong,‡^a Hao Luo,‡^a Yong Wu,^a Jianwei Fu,

^b Qingguo He,

^c Jiangong Cheng,^c Jongbeom Na,

*^d Yusuke Yamauchi

*^def and Shaohua Liu

*^ac

Author affiliations

* Corresponding authors

^a State Key Laboratory of Precision Spectroscopy, Engineering Research Center of Nanophotonics & Advanced Instrument, Ministry of Education, School of Physics and Electronic Science, East China Normal University, Shanghai, P. R. China
E-mail: shliu@phy.ecnu.edu.cn

^b School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou, P. R. China

^c State Key Lab of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Science, Shanghai 200050, P. R. China

^d Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia
E-mail: j.na@uq.edu.au, y.yamauchi@uq.edu.au

^e JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan

^f JST-ERATO Yamauchi Materials Space-Tectonics Project, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Ibaraki, Tsukuba, Japan

Abstract

We have developed a simple soft template-mediated coupling construction approach to achieve an unexplored sandwiched mesoporous polypyrrole nanocoating/single-crystal Ag nanoplate hybrid by a one-step inorganic/organic redox reaction at the liquid interface, and the hybrid possesses an adjustable meso-structure and architecture, strong near-infrared absorption and Raman enhancement effect, and outstanding chemical sensing performance.

This article is part of the themed collection: Journal of Materials Chemistry A Lunar New Year collection 2022

Journal of Materials Chemistry A

Soft template-mediated coupling construction of sandwiched mesoporous PPy/Ag nanoplates for rapid and selective NH₃ sensing†

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Soft template-mediated coupling construction of sandwiched mesoporous PPy/Ag nanoplates for rapid and selective NH₃ sensing

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Journal of Materials Chemistry A