Enhancing photoelectrochemical performance of ZnIn2S4 by phosphorus doping for sensitive detection of miRNA-155

Hongyan Liu; Simin Ai; Yajuan Liu; Hongmei Zeng; Huimei Da; Yaling Liu; Yaqin Chai; Ruo Yuan

doi:10.1039/D0CC06111E

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Enhancing photoelectrochemical performance of ZnIn₂S₄ by phosphorus doping for sensitive detection of miRNA-155†

Hongyan Liu,

*^a Simin Ai,^a Yajuan Liu,^a Hongmei Zeng,^a Huimei Da,^a Yaling Liu,^a Yaqin Chai

^a and Ruo Yuan

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
E-mail: liuhy860@swu.edu.cn, yuanruo@swu.edu.cn
Fax: +86-23-68253172
Tel: +86-23-68252277

Abstract

We report the synthesis of phosphorus-doped ZnIn₂S₄ (ZnIn₂S_4−xP_x) materials through a solid/gas-phase reaction. ZnIn₂S_4−xP_x shows enhanced photoelectrochemical (PEC) performance due to the improved photo-carrier separation efficiency achieved by substituting some of the sulfur with phosphorus. A PEC biosensor was further developed based on ZnIn₂S_4−xP_x, which exhibits excellent analytical performance for miRNA-155.

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Article information

DOI: https://doi.org/10.1039/D0CC06111E
Article type: Communication
Submitted: 10 Sep 2020
Accepted: 21 Oct 2020
First published: 22 Oct 2020

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Chem. Commun., 2020,56, 14275-14278

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Enhancing photoelectrochemical performance of ZnIn₂S₄ by phosphorus doping for sensitive detection of miRNA-155

H. Liu, S. Ai, Y. Liu, H. Zeng, H. Da, Y. Liu, Y. Chai and R. Yuan, Chem. Commun., 2020, 56, 14275 DOI: 10.1039/D0CC06111E

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Chemical Communications