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Study on oxidation reacting conditions of benzyl alcohol catalyzed by Au-Pd/ZrO2 under visible light
Received date: 2019-10-26
Online published: 2020-04-22
Au-Pd/ZrO2 supported bimetallic nanocatalysts were prepared by the reduction method of NaBH4.The structure,absorbance,particle size and morphology of the catalysts were characterized by means of X-ray diffraction（XRD）,UV-vis diffuse reflectance spectroscopy（UV-vis DRS） and transmission electron microscopy（TEM） etc..The results indicated that the Au and Pd were loaded on ZrO2 successfully,and Au and Pa were uniformly dispersed as spherical particles.Under visible light irradiation,the suitable conditions were studied for the oxidation of benzyl alcohol to benzaldehyde by Au-Pd/ZrO2 bimetallic nanocatalysts.The experiment results showed that the best yield of oxidation preparing benzaldehyde by benzyl al-cohol was obtained,under the conditions as follows：visible light irradiation,reaction time of 12 h,reaction temperature of （35±3） ℃,isopropanol of 5.0 mL as the solvent,Au-Pd（2:1）/ZrO2 of 50 mg as the catalyst and NaOH of 1.0 mmol as the basic source.
Key words： Au-Pd/ZrO2; bimetallic catalyst; benzyl alcohol; photocatalysis; benzaldehyde
Hongliang Bai , Junsheng Wang , Yan Wang . Study on oxidation reacting conditions of benzyl alcohol catalyzed by Au-Pd/ZrO2 under visible light[J]. Inorganic Chemicals Industry, 2020 , 52(4) : 100 -103 . DOI: 10.11962/1006-4990.2019-0345
| [1] | Huang G, Luo J, Deng C C , et al. Catalytic oxidation of toluene with molecular oxygen over mangmanese tetraphenlyporphyrin supported on chitosan[J]. Applied Catalysis A:General, 2008,338(1/2):83-86. |
| [2] | Mitsudome T, Mikami Y, Funai H , et al. Oxidant-free alcohol dehy-drogenation using a reusable hydrotalcite-supported silver nano-particles catalyst[J]. Angew.Chem.Int.Ed., 2007,47(1):138-141. |
| [3] | Zhao G, Deng M, Jiang Y , et al. Microstructured Au/Ni-fiber cata-lyst;galvanic reaction preparation and catalytic performance for low-temperature gas-phase alcohol oxidation[J]. Journal of Cataly-sis, 2013,301:46-53. |
| [4] | Fan J, Dai Y, Li Y , et al. Low-temperature,highly selective,gas-phase oxidation of benzyl alcohol over mesoporous K-Cu-TiO2 with stable copper(Ⅰ) oxidation state[J]. Journal of the American Che-mical Society, 2009,131(43):15568-15569. |
| [5] | Bond G C, Sermon P A . Gold catalysts for olefin hydrogenation[J]. Gold Bull., 1973,6(4):102-105. |
| [6] | Haruta M, Kobayashi T, Sano H , et al. Novel gold catalysts for the oxidation of carbon monoxide at a temperature far below 0 ℃[J]. Chem Lett., 1987,16(2):405-408. |
| [7] | Hutchings G J . Vapor phase hydorchlorination of acetylene:correla-tion of catalytic activity of supported metal chloride catalysts[J]. J.Catal., 1985,96(1):292-295. |
| [8] | Kawabata T, Shinozuka Y, Ohishi Y , et al. Nickel containing Mg-Al hydrotalcite-type anionic clay catalyst for the oxidation of alcohols with molecular oxygen[J]. J.Mol.Catal.A:Chem., 2005,236(1):206-215. |
| [9] | Pina C D, Falletta E, Rossi M . Update on selective oxidation using gold[J]. Chem.Soc.Rev., 2012,41(1):350-369. |
| [10] | McEwan L, Julius M, Roberts S , et al. A review of the use of gold ca-talysts in selective hydrogenation reactions Lynsey McEwana[J]. Gold Bull., 2010,43(4):298-306. |
| [11] | Yang X F, Wang A Q, Wang Y L , et al. Unusual selectivity of gold catalysts for hydrogenation of1,3-butadiene toward cis-2-butene:A joint experimental and theoretical investigation[J]. J.Phys.Chem.C, 2010,114(7):3131-3139. |
| [12] | Shimizu K, Sato R, Satsuma A . Direct C-C cross-coupling of secon-dary and primary alcohols catalyzed by a gamma-alumina-suppo-rted silver subnanocluster[J]. Angew.Chem.Int.Ed., 2009,48:3982-3986. |
| [13] | Chen X, Zheng Z, Ke X , et al. Supported silver nanoparticles as photocatalysts under ultraviolet and visible light irradiation[J]. Green Chem., 2010,12(3):414-419. |
| [14] | Fang W H, Chen J S, Zhang Q H , et al. Hydrotalcite-supported gold catalyst for the oxidant-free dehydrogenation of benzyl alcohol:studies on support and gold size effects[J]. Chemistry A European Journal, 2011,17(4):1247-1256. |
| [15] | Shao M W, Wang H, Zhang M L , et al. The mutual promotional ef-fect of Au-Pd bimetallic nanoparticles on silicon nanowires:A study of preparation and catalytic activity[J]. Appl.Phys.Lett., 2008,93:243110. |
| [16] | Schunemann S, van Gastel M, Tüysüz H . A CsPbBr3/TiO2 compo-site for visible-light-driven photocatalytic benzyl alcohol oxidation[J]. ChemSusChem, 2018,11:2057-2061. |
| [17] | Song T, Park J E, Chung Y K . Rhodium-catalyzed synjournal of im-ines and esters from benzyl alcohols and nitroarenes:Chang in ca-talyst reactivity depending on the presence or absence of the pho-shine ligand[J]. The Journal of Organic Chemistry, 2018,83(7):4197-4203. |
| [18] | Wu J B, Shi R P, Qin Z F , et al. Selective oxidation of methanol to methyl formate over bimetallic Au-Pd nanoparticles supported on SiO2[J]. Journal of Fuel Chemistry and Technology, 2019,47(7):780-790. |
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