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Title: A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry

Abstract

Here, the synthesis of ultrasmall supported bimetallic nanoparticles (between 1 and 3 nanometers in diameter) with well-defined stoichiometry and intimacy between constituent metals remains a substantial challenge. We synthesized 10 different supported bimetallic nanoparticles via surface inorganometallic chemistry by decomposing and reducing surface-adsorbed heterometallic double complex salts, which are readily obtained upon sequential adsorption of target cations and anions on a silica substrate. For example, adsorption of tetraamminepalladium(II) [Pd(NH3)42+] followed by adsorption of tetrachloroplatinate [PtCl42–] was used to form palladium-platinum (Pd-Pt) nanoparticles. These supported bimetallic nanoparticles show enhanced catalytic performance in acetylene selective hydrogenation, which clearly demonstrates a synergistic effect between constituent metals.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]
  1. Louisiana State Univ., Baton Rouge, LA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Chinese Academy of Sciences, Shanxi (People's Republic of China); Synfuels China Co., Ltd., Beijing (People's Republic of China)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1483180
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Science
Additional Journal Information:
Journal Volume: 362; Journal Issue: 6414; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Ding, Kunlun, Cullen, David A., Zhang, Laibao, Cao, Zhi, Roy, Amitava D., Ivanov, Ilia N., and Cao, Dongmei. A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry. United States: N. p., 2018. Web. doi:10.1126/science.aau4414.
Ding, Kunlun, Cullen, David A., Zhang, Laibao, Cao, Zhi, Roy, Amitava D., Ivanov, Ilia N., & Cao, Dongmei. A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry. United States. doi:10.1126/science.aau4414.
Ding, Kunlun, Cullen, David A., Zhang, Laibao, Cao, Zhi, Roy, Amitava D., Ivanov, Ilia N., and Cao, Dongmei. Fri . "A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry". United States. doi:10.1126/science.aau4414. https://www.osti.gov/servlets/purl/1483180.
@article{osti_1483180,
title = {A general synthesis approach for supported bimetallic nanoparticles via surface inorganometallic chemistry},
author = {Ding, Kunlun and Cullen, David A. and Zhang, Laibao and Cao, Zhi and Roy, Amitava D. and Ivanov, Ilia N. and Cao, Dongmei},
abstractNote = {Here, the synthesis of ultrasmall supported bimetallic nanoparticles (between 1 and 3 nanometers in diameter) with well-defined stoichiometry and intimacy between constituent metals remains a substantial challenge. We synthesized 10 different supported bimetallic nanoparticles via surface inorganometallic chemistry by decomposing and reducing surface-adsorbed heterometallic double complex salts, which are readily obtained upon sequential adsorption of target cations and anions on a silica substrate. For example, adsorption of tetraamminepalladium(II) [Pd(NH3)42+] followed by adsorption of tetrachloroplatinate [PtCl42–] was used to form palladium-platinum (Pd-Pt) nanoparticles. These supported bimetallic nanoparticles show enhanced catalytic performance in acetylene selective hydrogenation, which clearly demonstrates a synergistic effect between constituent metals.},
doi = {10.1126/science.aau4414},
journal = {Science},
number = 6414,
volume = 362,
place = {United States},
year = {2018},
month = {11}
}

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Cited by: 14 works
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    Works referencing / citing this record:

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