Electrical Enhancement of SiC Nanowire Joints Based on Femtosecond Laser Reduction of GO

Jinpeng, 霍金鹏 Huo; Yu, 肖宇 Xiao; Tianming, 孙天鸣 Sun; Songling, 邢松龄 Xing; Daozhi, 沈道智 Shen; Luchan, 林路禅 Lin; Lei, 刘磊 Liu

doi:10.3788/cjl202148.0802007

Cited by 2 publications

(1 citation statement)

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“…3,4 GO has relatively poor electrical property due to the presence of many oxygen-containing functional groups, hence limiting its application in photodetectors. During GO preparation process, some of the carbon atoms in the graphite sheets are oxidized and contained functional groups, such as hydroxy, epoxy, carbonyl and carboxyl groups, 5 which can lead to a reduction in the electrical conductivity of GO and widening of its bandgap. 6,7 .…”

Section: Introductionmentioning

confidence: 99%

Preparation and optical properties of Br-doped GQDs

Zhang,

Tang,

Teng

et al. 2024

Advanced Fiber Laser Conference (AFL2023)

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In this work, two-dimensional graphene oxide (GO) (e.g., oxygenated graphene sheets with epoxy, hydroxyl, and carboxyl groups) was reduced to zero-dimensional Br-doped GO quantum dots (Br-GODs) using a one-step method. The GO, which exhibits poor electrical conductivity, was reduced to Br-GODs using hydrobromic acid as a bromine source and reducing agent during hydrothermal reaction. The morphology, structural and photoelectric properties of GO and Br-GODs were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), ultraviolet-visible near infrared (UV-Vis-NIR) absorption spectroscopy, photoluminescence (PL), photoluminescence emission (PLE), Fourier transform infrared (FTIR) spectroscopy and atomic force microscopy (AFM). A photodetector based on Br-GODs material, consisting of interdigitated electrodes, was prepared. The responsivity (R) and detectivity (D*) of the photodetector can reach a maximum of 0.54 A/W and 4.33 × 10 13 Jones, respectively, under 850 nm illumination.

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