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- W1973567251 abstract "A simple method for the preparation of bimetallic gold/silver nanorods embedded in amine functionalized silicate sol–gel matrix (Au/Ag–TPDT NRs) in aqueous medium and their application towards the catalytic reduction of nitrobenzene is reported. The Au/Ag–TPDT NRs are prepared by using N1-[3-trimethoxysilyl)propyl]diethylene triamine (TPDT) as a reducing as well as stabilizing agent. The catalytic activity of the Au/Ag–TPDT NRs is evaluated by studying the catalytic reduction of nitrobenzene to aniline upon the addition of NaBH4 in an aqueous solution. The Au/Ag–TPDT NRs was found to be a good catalyst when compared to the Au–TPDT NRs and Au NRs for the reduction of nitrobenzene to aniline at room temperature. The enhanced catalytic activity of Au/Ag–TPDT NRs is due to the synergistic effect of Au and Ag present in the bimetallic Au/Ag–TPDT NRs. The reaction rate constants (k) are estimated to be 0.4050, 0.2515 and 0.1235 min−1 for Au/Ag–TPDT NRs, Au–TPDT NRs and Au NRs, respectively. The electrocatalytic reduction of nitrobenzene at pH 7 using the Au/Ag–TPDT NRs modified electrode is also investigated and compared with the Au–TPDT NRs. The higher electrocatalytic activity of Au/Ag–TPDT NRs is due to the synergistic effect of Au and Ag present in the bimetallic Au/Ag–TPDT NRs. The results of the study demonstrate that the Au/Ag–TPDT NRs are efficient catalyst for the catalytic reduction of nitrobenzene." @default.
- W1973567251 created "2016-06-24" @default.
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- W1973567251 date "2014-01-01" @default.
- W1973567251 modified "2023-10-13" @default.
- W1973567251 title "Bimetallic Au/Ag nanorods embedded in functionalized silicate sol–gel matrix as an efficient catalyst for nitrobenzene reduction" @default.
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- W1973567251 doi "https://doi.org/10.1016/j.apcata.2013.10.056" @default.
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