Facile synthesis of size-controlled Ag supported on WO3 nanorods and their application as novel and active catalyst in oxidant-free dehydrogenation of benzyl alcohols

被引:23
作者
Paul, Bappi [1 ]
Sharma, Sachin [1 ]
Purkayastha, Debraj D. [2 ]
Dhar, Siddhartha S. [2 ]
Bal, Rajaram [1 ]
机构
[1] CSIR, Indian Inst Petr, Catalyt Convers & Proc Div, Dehra Dun 248005, Uttar Pradesh, India
[2] Natl Inst Technol Silchar, Dept Chem, Silchar 788010, Assam, India
关键词
Ag-WO3; nanorod; Polyethylene glycol; Size-tunable; Oxidant-free; Benzyl alcohols; LIQUID-PHASE DEHYDROGENATION; COOPERATIVE CATALYSIS; FREE OXIDATION; NANOPARTICLES; HYDROTALCITE; 2-PROPANOL; COMPLEXES;
D O I
10.1016/j.catcom.2019.105804
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A new and simple strategy for the size-tunable synthesis of silver supported tungsten oxide nanoparticles (NPs) was reported. Polyethylene glycol (PEG) of molecular weights 400 and 4000 was used as surfactant to tune the size of nanoparticles. These as-synthesized Ag/WO3 nanomaterials were characterized by XRD, FT-IR, TGA, TEM, SEM, EDX, ICP-AES, XPS, and BET analysis. The material synthesized in the presence of PEG 4000 is similar to 10 nm metallic silver nanoparticles (Ag NPs) supported on tungsten oxide (WO3) nanorods with diameters between 20 and 40 nm. These nanomaterials are very effective catalysts in oxidant-free dehydrogenation of benzyl alcohols.
引用
收藏
页数:5
相关论文
共 23 条
  • [1] Oxidant-free oxidation: ruthenium catalysed dehydrogenation of alcohols
    Adair, GRA
    Williams, JMJ
    [J]. TETRAHEDRON LETTERS, 2005, 46 (47) : 8233 - 8235
  • [2] Heterogeneous shvo-type ruthenium catalyst: dehydrogenation of alcohols without hydrogen acceptors
    Choi, JH
    Kim, N
    Shin, YJ
    Park, JH
    Park, J
    [J]. TETRAHEDRON LETTERS, 2004, 45 (24) : 4607 - 4610
  • [3] Gold nanoparticles on hydrotalcites as efficient catalysts for oxidant-free dehydrogenation of alcohols
    Fang, Wenhao
    Zhang, Qinghong
    Chen, Jing
    Deng, Weiping
    Wang, Ye
    [J]. CHEMICAL COMMUNICATIONS, 2010, 46 (09) : 1547 - 1549
  • [4] Ligand-promoted dehydrogenation of alcohols catalyzed by Cp*Ir complexes. A new catalytic system for oxidant-free oxidation of alcohols
    Fujita, Ken-ichi
    Tanino, Nobuhide
    Yamaguchi, Ryohei
    [J]. ORGANIC LETTERS, 2007, 9 (01) : 109 - 111
  • [5] Fabrication of Silver-Tungsten Wafer-like Nanoarchitectures for Selective Epoxidation of Alkenes
    Ghosh, Shilpi
    Acharyya, Shankha S.
    Sasaki, Takehiko
    Bal, Rajaram
    [J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2015, 3 (11): : 2823 - 2830
  • [6] A novel and active catalyst Ag/ZnO for oxidant-free dehydrogenation of alcohols
    Hosseini-Sarvari, Mona
    Ataee-Kachouei, Tahereh
    Moeini, Fatemeh
    [J]. MATERIALS RESEARCH BULLETIN, 2015, 72 : 98 - 105
  • [7] Cooperative Catalysis by Iridium Complexes with a Bipyridonate Ligand: Versatile Dehydrogenative Oxidation of Alcohols and Reversible Dehydrogenation-Hydrogenation between 2-Propanol and Acetone
    Kawahara, Ryoko
    Fujita, Ken-ichi
    Yamaguchi, Ryohei
    [J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2012, 51 (51) : 12790 - 12794
  • [8] Acceptor-free alcohol dehydrogenation by recyclable ruthenium catalyst
    Kim, Won-Hee
    Park, In Soo
    Park, Jaiwook
    [J]. ORGANIC LETTERS, 2006, 8 (12) : 2543 - 2545
  • [9] The stability of chromium in CrAPO-5, CrAPO-11, and CrS-1 during liquid phase oxidations
    Lempers, HEB
    Sheldon, RA
    [J]. JOURNAL OF CATALYSIS, 1998, 175 (01) : 62 - 69
  • [10] The role of poly(ethylene glycol) in the formation of silver nanoparticles
    Luo, CC
    Zhang, YH
    Zeng, XW
    Zeng, YW
    Wang, YG
    [J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2005, 288 (02) : 444 - 448