期刊
MATERIALS RESEARCH BULLETIN
卷 106, 期 -, 页码 365-370出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2018.06.026
关键词
Photothermal conversion; Graphene oxide; Upconversion; Hydrothermal
资金
- International Joint Project of Hainan Province [ZDYF2016212]
- Key Laboratory of Advanced Materials of Tropical Island Resources (Hainan University), Ministry of Education [AM2017-10]
Graphene oxide/NaYF4: Yb, Er nanocomposites have been synthesized via hydrothermal synthesis, in which spherical cubic phase NaYF4: Yb, Er nanocrystals with uniformity are implanted onto the surface of graphene oxide (GO). Using a near infrared laser set to 980 nm, the light-to-heat energy transfer efficiency of GO/NaYF4: Yb, Er is 13.9% higher than GO by itself, revealing that the photothermal conversion efficiency of GO could be enhanced by doping NaYF4: Yb, Er nanocrystals. This phenomenon can be attributed to the energy transfer between the NaYF4: Yb, Er nanocrystals to the energy receptor in the GO substrate.
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