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Preparation of Pt nano particles on MWNT 김희연*, 정남조, 이승재, 유인수 한국에너지기술연구원

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Theories and Applications of Chem. Eng., 2006, Vol. 12, No. 1 750

화학공학의 이론과 응용 제12권 제1호 2006년

Preparation of Pt nano particles on MWNT 김희연

*

, 정남조, 이승재, 유인수

한국에너지기술연구원

(kyeonee@hanmail.net*)

Among the different types of carbon for catalyst supports, carbonnanotube (CNT) has attracted much attention due to its special characteristics, such as large surface area, mechanical strength, electric conductivity, resistance to acid/basic media, etc. We prapared Pt nano particles on multi- walled nanotube (MWNT) by chemical vapor deposition (CVD) method. Before Pt deposition, MWNT samples were pretreated by using HCl and the mixed acid of HNO3 and H2SO4 for the enhancement of surface wettability and modification of the surface structures. As a result of CVD, Pt nano particles ranges from 1 nm to 2 nm were synthesized. The surface of Pt/MWNT catalyst was characterized by using HR-TEM, XRD, CO chemisorption, etc.

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