Bimetallic Pt/Pd nanoparticles in sol-gel-derived silica films and xerogels

被引：8
作者：
Gubanova, N. N. [1 ,2 ]
Matveev, V. A. [1 ]
Shilova, O. A. [2 ,3 ]
机构：
[1] Kurchatov Inst, Petersburg Nucl Phys Inst, Natl Res Ctr, Gatchina 188300, Russia
[2] Russian Acad Sci, Inst Silicate Chem, St Petersburg 199034, Russia
[3] St Petersburg Electrotech Univ LETI, St Petersburg 197376, Russia
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2019年 / 92卷 / 02期
关键词：
TEOS-derived sols; Doped silica spin-on glass films; Pt; Pd bimetallic nanoparticles; Mixed alloy structure; Xerogel; PTPD NANOPARTICLES; THIN-FILMS; CATALYSTS; PD; SENSOR; METAL; GRAPHENE;
D O I：
10.1007/s10971-019-04971-y
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This work is devoted to the study of the composition and structure of thin "spin-on glass" films and xerogels prepared from silica sols containing platinum and palladium compounds, both separately and together. The thickness and concentration distribution of Pt/Pd nanoparticles (NPs) in silica films depending on the concentration of precursors of platinum and palladium in silica sols were determined using the method of X-ray reflectometry. The composition and size of Pt/Pd nanoparticles formed in xerogels and thin films were determined in the nanometer and submicron ranges by means of atomic force and transmission electron microscopy of high resolution as well as by means of X-ray diffraction analysis. It was also determined that bimetallic Pt/Pd nanoparticles possess a common crystal lattice forming clusters with the structure of a mixed alloy type.
引用
收藏
页码：367 / 375
页数：9
相关论文
共 35 条
  • [1] Role of the preparation method on properties of Pd/Cu-MCM-41 hydrodechlorinating catalysts
    Benito, Particia
    Gregoria, Manuel
    Andreoli, Sara
    Fornasari, Giuseppe
    Millefanti, Stefano
    Ospitali, Francesca
    Albonetti, Stefania
    [J]. CATALYSIS TODAY, 2014, 235 : 134 - 143
  • [2] The structure and characteristics of a PtCoCr nanosized polymetallic cathode catalyst on a carbon carrier
    Bogdanovskaya, V. A.
    Tarasevich, M. R.
    Kuznetsova, L. N.
    Radina, M. V.
    [J]. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2009, 83 (12) : 2045 - 2049
  • [3] Bukhtiyarov V.I., 2001, Russ. Chem. Rev, V70, P147, DOI [10.1070/RC2001v070n02ABEH000637, DOI 10.1070/RC2001V070N02ABEH000637]
  • [4] Core/Shell Nanoparticles: Classes, Properties, Synthesis Mechanisms, Characterization, and Applications
    Chaudhuri, Rajib Ghosh
    Paria, Santanu
    [J]. CHEMICAL REVIEWS, 2012, 112 (04) : 2373 - 2433
  • [5] Laser-induced alloying Au-Pd and Ag-Pd colloidal mixtures: the formation of dispersed Au/Pd and Ag/Pd nanoparticles
    Chen, YH
    Tseng, YH
    Yeh, CC
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 2002, 12 (05) : 1419 - 1422
  • [6] Bimetallic Pt-Metal catalysts for the decomposition of methanol: Effect of secondary metal on the oxidation state, activity, and selectivity of Pt
    Croy, Jason R.
    Mostafa, S.
    Hickman, L.
    Heinrich, H.
    Roldan Cuenya, B.
    [J]. APPLIED CATALYSIS A-GENERAL, 2008, 350 (02) : 207 - 216
  • [7] AuPd bimetallic nanoparticles: Single step biofabrication, structural characterization and catalytic activity
    Dauthal, Preeti
    Mukhopadhyay, Mausumi
    [J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 2016, 35 : 45 - 53
  • [8] Au-Pt alloy nanocrystals incorporated in silica films
    De, G
    Rao, CNR
    [J]. JOURNAL OF MATERIALS CHEMISTRY, 2005, 15 (08) : 891 - 894
  • [9] Nanoalloys: From theory to applications of alloy clusters and nanoparticles
    Ferrando, Riccardo
    Jellinek, Julius
    Johnston, Roy L.
    [J]. CHEMICAL REVIEWS, 2008, 108 (03) : 845 - 910
  • [10] Core-shell nanoparticles: synthesis and applications in catalysis and electrocatalysis
    Gawande, Manoj B.
    Goswami, Anandarup
    Asefa, Tewodros
    Guo, Huizhang
    Biradar, Ankush V.
    Peng, Dong-Liang
    Zboril, Radek
    Varma, Rajender S.
    [J]. CHEMICAL SOCIETY REVIEWS, 2015, 44 (21) : 7540 - 7590
1234