期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 46, 页码 40726-40733出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b13708
关键词
graphene; noble metal triangular nanoarrays; recyclable; thermal stability; surface-enhanced Raman scattering
资金
- NSFC [51371131, 11375134, 51571153, 11722543]
- Fundamental Research Funds for the Central Universities [2042017kf0168]
The ability to enhance the heat resistance of noble metals is vital to many industrial and academic applications. Because of its exceptional thermal properties, graphene was used to enhance the thermal stability of noble metals. Monolayer graphene-covered noble metal triangular nanoarrays (TNAs) showed excellent heat resistance, which could maintain their original triangular nanoarrays at high temperatures, whereas bare noble metal TNAs all agglomerate into spherical nanoparticles. On the basis of this mechanism, we obtained a universal recyclable surface-enhanced Raman scattering (SERS) substrate; after 16 cycles, the SERS substrate still worked well. The improvement of the heat resistance of noble metals by graphene has a great significance to the working reliability and service life of electronic devices and the single-use problem of traditional SERS substrates.
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