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- W4281481700 abstract "Introducing polyhedral facets into a high surface-to-volume nanowire structure (i.e., serrate-shaped or screw thread-like nanowire) is an effective way for boosting the photoelectrochemical (PEC) activity. However, fabricating such nanowires with serrated surfaces remains a challenge because it usually involves many complex processes, thus limiting mass activity. Here, we demonstrate a strategy for natural growth of the serrated GaN nanowires on a LiGaO 2 substrate by using an Au catalyst-assisted vapor-liquid-solid (VLS) method. The specific GaN nanowire grew through an atypical growth mechanism due to the partial deformation of the Au catalyst. The serrated GaN nanowire exhibited a higher photocurrent density of 0.391 mA cm −2 at 1.23 V versus RHE, which was approximately 2.3 times that of the GaN film (0.157 mA cm −2 ). The high stability of the photoresponse and photocurrent of the serrated nanowire was verified in a wide angle-dependent illumination. This work opens a new way for strengthening the PEC performance of the GaN-based photoanodes by introducing serrate-shaped surfaces on the GaN nanowires." @default.
- W4281481700 created "2022-05-26" @default.
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- W4281481700 date "2022-06-01" @default.
- W4281481700 modified "2023-09-25" @default.
- W4281481700 title "Growth of the Serrated GaN Nanowire and its Photoelectrochemical Application" @default.
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- W4281481700 doi "https://doi.org/10.1149/1945-7111/ac72c4" @default.
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