A Novel Strategy to Fabricate CuS, Cu7.2S4, and Cu2-xSe Nanofibers via Inheriting the Morphology of Electrospun CuO Nanofibers

被引：2
作者：
Cheng, Li [1 ]
Li, Dan [1 ]
Yu, Wensheng [1 ]
Ma, Qianli [1 ]
Dong, Xiangting [1 ]
Wang, Xinlu [1 ]
Wang, Jinxian [1 ]
Liu, Guixia [1 ]
机构：
[1] Changchun Univ Sci & Technol, Key Lab Appl Chem & Nanotechnol Univ Jilin Prov, Changchun 130022, Jilin, Peoples R China
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2019年 / 93卷 / 04期
基金：
中国国家自然科学基金;
关键词：
electrospinning; nanofiber; CuS; Cu7.2S4; Cu2-xSe; sulfurization; selenidation; LARGE-SCALE SYNTHESIS; HYDROTHERMAL SYNTHESIS; PHOTOCATALYTIC PROPERTIES; CONTROLLABLE SYNTHESIS; BIOCL NANOSHEETS; COPPER; NANOPARTICLES; NANOCRYSTALS; DEGRADATION; TEMPERATURE;
D O I：
10.1134/S0036024419040198
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
CuO nanofibers were fabricated by calcination of the electrospun PVP/Cu(NO3)(2) composite nanofibers. For the first time, CuS, Cu7.2S4, and Cu2-xSe nanofibers were successfully synthesized by double-crucible sulfurization and selenidation methods via inheriting the morphology of CuO nanofibers as precursors, respectively. X-ray diffraction (XRD) analysis shows CuS, Cu7.2S4, and Cu2-xSe nanofibers are respectively pure hexagonal phase, cubic phase and orthorhombic phase with space group of P63/mmc, Fm-3m and Cmcm. Scanning electron microscopy (SEM) indicates that the diameter of CuS, Cu7.2S4, and Cu2-xSe nanofibers are 149.60 +/- 17.52, 103.40 +/- 12.95, and 127.28 +/- 19.55 nm under the 95% confidence level, respectively. More importantly, this preparation technique is of universal significance to prepare other metal chalcogenides nanofibers.
引用
收藏
页码：730 / 735
页数：6
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