A self-powered photodetector was fabricated by taking advantage of the band bending at the ZnO/electrolyte interface. And a 48% performance enhancement was achieved with the introduction of 0.15% compressive strain due to the generation of piezopolarization charges. This result could be extended to other solid–liquid reactions, such as photoelectrochemical or photocatalytic processes.
P. Lin, X. Yan, Y. Liu, P. Li, S. Lu and Y. Zhang, Phys. Chem. Chem. Phys., 2014, 16, 26697 DOI: 10.1039/C4CP04411H
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