期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 3, 页码 3596-3603出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b03908
关键词
Ultralong nanowires; Silicon carbide; Gram scale; Properties
资金
- National Natural Science Foundation of China [51672144, 51572137, 51502149, 51702181]
- Natural Science Foundation of Shandong Province [ZR2016EMB25, ZR2017PEM006, ZR201702210482]
- Higher Educational Science and Technology Program of Shandong Province [J16LA10, J17KA014]
- Application Foundation Research Program of Qingdao [15-9-1-28-jch]
- Taishan Scholars Program of Shandong Province [ts201511034]
- Overseas Taishan Scholars Program
In the present work, high-quality ultralong SiC/SiO2 nanowires have been prepared via simple Ni-assisted chemical vapor deposition approach. Systematic characterization results reveal that plenty of nanowires, which consist of single-crystalline cubic SiC nanowire cores and uniform amorphous SiO2 shells, entangle with each other and construct a macroscopic thin film with the length of approximately 17 cm. Remarkably, the yield of the as-synthesized SiC/SiO2 nanowires achieve gram scale (2.164 g) under the assistance of the ingenious homemade reactor, exceeding the yield through traditional techniques. Furthermore, the ultralong SiC/SiO2 nanowires exhibit blue-violet luminescence with significant blue shift and good microwave absorption properties in the frequency range of 2-18 GHz, indicating their potential application in optical-electronic devices and electromagnetic absorption fields.
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