화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2013년 봄 (04/24 ~ 04/26, 광주 김대중컨벤션센터)
권호 19권 1호, p.769
발표분야 재료
제목 Preparation of Graphene/TiO2/Ag Nnocomposite Aerogel and Its Application for Gas-Phase Photodegradation of Volatile Pollutants
초록 Graphene aerogel is attracting increasing attention due to its 3D porous structure, high surface area and its excellent electrical, mechanical and thermodynamic properties. On the other hand, TiO2 displaying unique optical and electronic properties, biocompatibility, chemical stability, has been widely employed in the area of sustainable energy and environmental remediation. Here, a progressive self-assembly process is developed to prepare Graphene/TiO2/Ag nanocomposite aerogel. GO nanosheets are first in situ deposited with TiO2 nanoparticles, then Ag nanoparticles are decorated on the surface to improve quantum yield. The hybrid is assembled to be a bulk gel by a mild chemical reduction, followed by Sc.CO2 drying. The as-prepared aerogels are characterized by XRD, SEM, TEM. The application of them for photocatalytic degradation of volatile pollutants such as volatile aromatic compounds under visible light has been investigated.
Acknowledgements: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Science and Technology (2012009529).
저자 판샤오펭, Wei Shi, Lulu Tang, Van Hoa Nguyen, 심재진
소속 영남대
키워드 Graphene; TiO2; Ag; Aerogel; Gas-Phase Photodegradation
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