Sodium Alginate-Assisted Synthesis of PdAg Bimetallic Nanoparticles and their Enhanced Activity for Electrooxidation of Ethanol

Yanru Yin; Changna Wen; Ning Ma; Baoyan Wang; Lianying Zhang; Hongliang Li; Peizhi Guo

추천

검색

자료유형: 학술저널

저자정보: Yanru Yin (Qingdao University) Changna Wen (Qingdao University) Ning Ma (Qingdao University) Baoyan Wang (Qingdao University) Lianying Zhang (Qingdao University) Hongliang Li (Qingdao University) Peizhi Guo (Qingdao University)

저널정보: 성균관대학교 성균나노과학기술원 NANO NANO Vol.14 No.9

발행연도: 2019.1

수록면: 128 - 136 (9page)

이용수

📌

연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

오류제보하기

Palladium and palladium-silver bimetallic nanocrystals have been synthesized hydrothermally by using environmental-friendly sodium alginate as the stabilizer and reducing agent. The pure palladium nanoparticles were spherical-like possibly due to the principle of the lowest surface energy, however, the formation of bimetallic palladium-silver nanoparticles was much more complicated, which was thinner and more irregular nanostructures than pure palladium nanoparticles. Electrochemical measurements showed that the electrocatalytic activity toward ethanol oxidation was increased first with the increase of silver content in bimetallic nanoparticles, from pure palladium of around 1070 mA/mg, to PdAg-20 of 1160 mA/mg and to PdAg-10 of 1750 mA/mg, and declined greatly at a high content of silver, approximately 279 mA/mg. Electrochemical stability test showed that PdAg-10 and PdAg-5 were the best and worst among four palladium-based samples, respectively. Based on the experimental data, the formation mechanism of pure palladium and palladium-silver bimetallic nanoparticles and the structure-property relationship of these samples have been discussed.

#Palladium-silver nanoparticles #sodium alginate #hydrothermal synthesis #electro-catalysis #ethanol

참고문헌 (46)

참고문헌 신청

Wenjing Huang / 2018 / 2D PdAg Alloy Nanodendrites for Enhanced Ethanol Electroxidation / Advanced Materials 30(11):1706962

Jin-Hui Zhong / 2017 / Probing the electronic and catalytic properties of a bimetallic surface with 3 nm resolution / Nature Nanotechnology 12(2):132~136

Zhanxi Fan / 2016 / Synthesis of 4H/ fcc Noble Multimetallic Nanoribbons for Electrocatalytic Hydrogen Evolution Reaction / Journal of the American Chemical Society 138(4):1414~1419

Xiaoquan Min / 2015 / Pd-Catalyzed Electrohydrogenation of Carbon Dioxide to Formate: High Mass Activity at Low Overpotential and Identification of the Deactivation Pathway / Journal of the American Chemical Society 137(14):4701~4708

Minmin Liu / 2013 / PdAg Nanorings Supported on Graphene Nanosheets: Highly Methanol-Tolerant Cathode Electrocatalyst for Alkaline Fuel Cells / Advanced Functional Materials 23(10):1289~1296

함께 읽어보면 좋을 논문

논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!