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    Synthesis of Platinum Nanotubes and Nanorings via Simultaneous Metal Alloying and Etching

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    Type
    Article
    Authors
    Huang, Zhiqi
    Raciti, David
    Yu, Shengnan
    Zhang, Lei
    Deng, Lin cc
    He, Jie
    Liu, Yijing
    Khashab, Niveen M. cc
    Wang, Chao
    Gong, Jinlong
    Nie, Zhihong cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Physical Science and Engineering (PSE) Division
    Smart Hybrid Materials (SHMs) lab
    Date
    2016-04-29
    Online Publication Date
    2016-04-29
    Print Publication Date
    2016-05-25
    Permanent link to this record
    http://hdl.handle.net/10754/621669
    
    Metadata
    Show full item record
    Abstract
    Metallic nanotubes represent a class of hollow nanostructures with unique catalytic properties. However, the wet-chemical synthesis of metallic nanotubes remains a substantial challenge, especially for those with dimensions below 50 nm. This communication describes a simultaneous alloying-etching strategy for the synthesis of Pt nanotubes with open ends by selective etching Au core from coaxial Au/Pt nanorods. This approach can be extended for the preparation of Pt nanorings when Saturn-like Au core/Pt shell nanoparticles are used. The diameter and wall thickness of both nanotubes and nanorings can be readily controlled in the range of 14-37 nm and 2-32 nm, respectively. We further demonstrated that the nanotubes with ultrathin side walls showed superior catalytic performance in oxygen reduction reaction. © 2016 American Chemical Society.
    Citation
    Huang Z, Raciti D, Yu S, Zhang L, Deng L, et al. (2016) Synthesis of Platinum Nanotubes and Nanorings via Simultaneous Metal Alloying and Etching. Journal of the American Chemical Society 138: 6332–6335. Available: http://dx.doi.org/10.1021/jacs.6b01328.
    Sponsors
    Z.N. gratefully acknowledges the financial support of National Science Foundation Career Award (DMR-1255377), National Science Foundation (CHE-1505839), 3M Non-tenured Faculty Award and Startup fund from the University of Maryland. J.G. thanks National Science Foundation of China (21222604, U1463205, and 21525626), the Program of Introducing Talents of Discipline to Universities (B06006), and the Program for New Century Excellent Talents in University (NCET-10-0611). D.R. and C.W. thank the support by the National Science Foundation (CHE-1437396). We also acknowledge the support of the Maryland NanoCenter and its NispLab. The NispLab is supported in part by the NSF as a MRSEC Shared Experimental Facilities.
    Publisher
    American Chemical Society (ACS)
    Journal
    Journal of the American Chemical Society
    DOI
    10.1021/jacs.6b01328
    PubMed ID
    27090384
    ae974a485f413a2113503eed53cd6c53
    10.1021/jacs.6b01328
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Controlled Release and Delivery Laboratory; Chemical Science Program

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