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Novel supported nanocatalyst based on carbon nanotube – A facile approach for the preparation using gamma radiation

등록일
2009년 8월 21일 17시 15분 39초
접수번호
1561
발표코드
35P145포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅳ>
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
이세희, A.Gopalan1, 이광필1
경북대학교 나노과학기술과, Korea
1경북대학교 화학교육과, Korea
The capability of supported palladium (Pd) nanoparticles to catalyze many reactions has attracted intensive research during the last few years. There is a demand for innovative approach to find newer methods for the preparation of Pd supported nanocatlaysts. Carbon nanotubes (CNTs) have attracted as catalyst supports due to their special structures as compared to traditional supports. In the present work, a facile method has been adopted for the preparation of the novel functionalized multiwalled carbon nanotubes supported Pd nanoparticles based nanocatalysts (F-MWNT/Pd) catalyst. In this method, MWNTs were functionalized and loaded with Pd nanoparicles to prepare F-MWNNT-Pd nanocatlyst by - radiation induced reduction of Pd ions.. Field emission scanning microscopy and transmission electon microscopy were used to understand the morphology of F-MWNNT support and the dispersion of Pd nanoparticles into F-MWNT support. The electrocatalytic activity of F-MWNNT-Pd nanocatalyst was tested towards electrochemical oxidation of methanol. Further, the stability of the F MWNNT/Pd nanocatalyst was tested. The new supported Pd catalyst is expected to show promise for the use as catalyst in direct methanol fuel cells.

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