College of Chemistry and Chemical Engineering, Institute for Conservation and Utilization of Agro-bioresources in Dabie Mountains, Xinyang Normal University, Xinyang 464000, China.
Analyst. 2020 Feb 17;145(4):1121-1128. doi: 10.1039/c9an02448d.
Photoelectrochemical (PEC) biosensing has received increasing attention due to its great potential in the analysis of biomarkers. The performance of a PEC biosensor depends largely on photosensitive materials. The photoactive materials with excellent properties are of great importance to realize advanced PEC bioassays. Recently, as a special class of nanocomposites, heterostructures consisting of different types of semiconductors with potential applications in PEC systems have witnessed the rapid development to improve the performance of PEC biosensors. In this review, the research progress on the promising heterostructures has been introduced and summarized, and the applications of such heterostructures in PEC bioassays are provided. The future development of heterostructures pertaining to PEC biosensing systems has also been briefly discussed.
光电化学（PEC）生物传感因其在生物标志物分析中的巨大潜力而受到越来越多的关注。PEC 生物传感器的性能在很大程度上取决于光敏材料。具有优异性能的光活性材料对于实现先进的 PEC 生物分析至关重要。最近，作为一类特殊的纳米复合材料，由不同类型半导体组成的异质结构在 PEC 系统中有潜在的应用，其在提高 PEC 生物传感器性能方面取得了快速发展。在本文中，介绍并总结了具有应用前景的异质结构的研究进展，并提供了此类异质结构在 PEC 生物分析中的应用。还简要讨论了与 PEC 生物传感系统相关的异质结构的未来发展。
