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High performance bulk photovoltaics in narrow-bandgap centrosymmetric ultrathin films

Mai, Haoxin; Lu, Teng; Sun, Qingbo; Elliman, Robert; Kremer, Felipe; Duong, The; Catchpole, Kylie; Li, Qian; Yi, Zhiguo; Frankcombe, Terry J.; Liu, Yun


In conventional bulk photovoltaics (BPVs), it is difficult to acquire both intensive photocurrent and large photovoltage output, which greatly limits the practical application. Here, we report a new strategy that can significantly increase photocurrent by five orders of magnitude whilst retaining the nature of high photovoltage of BPVs by introducing the local-chemistry-induced polar nanoregions (PNRs) into narrow-bandgap centrosymmetric ultrathin films. It is believed that these PNRs...[Show more]

CollectionsANU Research Publications
Date published: 2020-03-01
Type: Journal article
Source: Materials Horizons
DOI: 10.1039/C9MH01744E
Access Rights: Open Access


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