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Issue 13, 2020
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Nanostructure-based photoelectrochemical sensing platforms for biomedical applications

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Abstract

As a newly developed and powerful analytical method, the use of photoelectrochemical (PEC) biosensors opens up new opportunities to provide wide applications in the early diagnosis of diseases, environmental monitoring and food safety detection. The properties of diverse photoactive materials are one of the essential factors, which can greatly impact the PEC performance. The continuous development of nanotechnology has injected new vitality into the field of PEC biosensors. In many studies, much effort on PEC sensing with semiconductor materials is highlighted. Thus, we propose a systematic introduction to the recent progress in nanostructure-based PEC biosensors to exploit more promising materials and advanced PEC technologies. This review briefly evaluates the several advanced photoactive nanomaterials in the PEC field with an emphasis on the charge separation and transfer mechanism over the past few years. In addition, we introduce the application and research progress of PEC sensors from the perspective of basic principles, and give a brief overview of the main advances in the versatile sensing pattern of nanostructure-based PEC platforms. This last section covers the aspects of future prospects and challenges in the nanostructure-based PEC analysis field.

Graphical abstract: Nanostructure-based photoelectrochemical sensing platforms for biomedical applications

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Article information


Submitted
16 Dec 2019
Accepted
22 Feb 2020
First published
24 Feb 2020

J. Mater. Chem. B, 2020,8, 2541-2561
Article type
Review Article

Nanostructure-based photoelectrochemical sensing platforms for biomedical applications

Z. Qiu and D. Tang, J. Mater. Chem. B, 2020, 8, 2541
DOI: 10.1039/C9TB02844G

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