콘텐츠 본문
논문 해외 국제전문학술지(SCI급) Sandwich-like Graphene Nanocomposites Armed with Nanoneedles
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2012-01-06
- 저자명 Bora Nam, Ha-Jin Lee, Hyeah Goh, Young Boo Lee and Won San Choi
- 학술지명 J. Mater. Chem.
- 발행처명 Royal Society of Chemistry
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 5
- 논문 다운로드 링크(외부) https://doi.org/10.1039/C2JM15026C
- 연구분야 공학 > 화학공학
논문 초록 (Abstract)
A novel strategy for preventing aggregation, increasing surface area, and maintaining catalytic activity of water-soluble graphene nanosheet (GNS) catalysts is introduced, and use of the synthesized nanocatalyst [GNS (matrix)/metal (catalyst)/metal oxide (spacer)/ceramic (protector)] as recyclable nanocatalysts without loss of performance is demonstrated. Our graphene nanocomposite (GNC) armed with nanoneedles is fabricated by the synthesis of Au on GNS, followed by stepwise synthesis of needle-like IO and SiO2, in order. The distinctive structures of the needle-like layers prevent aggregation and contamination of the GNS catalysts, and allow recycling, both of which enhanced catalytic ability. The research demonstrates the possibility of a safe coating for water-soluble GNS catalysts, which are reactive to ionic species, and their application as nanocatalysts for the chemo-selective transformation of toxic substances. Our sandwich-like GNCs for recyclable nanocatalysts provide a new design concept for reusable GNS catalysts.
