气凝胶以其独特的纳米多孔三维网格结构、超细颗粒、高孔隙率、高比表面积和低密度等特性,使其在催化领域拥有较高的应用价值。如何更好地发挥气凝胶的特性,并将气凝胶更广泛地应用到催化领域也是近年来气凝胶材料重点研究方向之一。分别综述了气凝胶的制备和气凝胶在催化方面的应用,主要阐述了气凝胶在环境治理和工业催化方面作为催化剂的应用,并展望了研究方向。
With their unique nano-porous three-dimensional structure,ultrafine particles,high porosity,high specific surface area and low density,aerogels have higher application value in the field of catalysis.How to exploit fully the advantages of aerogels and further utilize them more widely in catalysis field is one of the key research directions of aerogel materials in recent years.This article reviews the preparation and application of aerogels in catalysis field,especially the application of aerogels as catalysts in environmental treatment and industrial catalysis,and also discusses the future research direction.
[1] Kistler S S J.Coherent expanded-aerogels[J].The Journal of Physical Chemistry,1931,36(1):52-64.
[2] 张婷婷,许可欣,金梦甜,等.纤维素基有机-无机纳米光催化复合材料制备及其水处理应用的研究进展[J].纺织学报,2021,42(7):175-183.
[3] Zheng X C,Li N,Jiang S A,et al.Preparation and catalytic performance of tungstophosphoric acid anchored to SiO2@graphene aerogel 3D porous catalysts for the synthesis of ethyl levulinate biofuel[J].Journal of Porous Materials,2019,26(3):723-732.
[4] Qiao X C,Jin J T,Fan H B,et al.Cobalt and nitrogen co-doped graphene-carbon nanotube aerogel as an efficient bifunctional electrocatalyst for oxygen reduction and evolution reactions[J].Catalysts,2018,8(7):275-286.
[5] Peng L,Li Z W,Zhang R R,et al.Preparation and characterization of mesoporous g-C3N4/SiO2 material with enhanced photocatalytic activity[J].Journal of Materials Research,2019,34(10):1-10.
[6] Geng G M,Gao Y H,Zhang Z T,et al.Renewable and robust biomass waste-derived Co-doped carbon aerogels for PMS activation:catalytic mechanisms and phytotoxicity assessment[J].Ecotoxicology and Environmental Safety,2021,220(4):112381.
[7] Karamilamkar S,Naguib H E,Park C B.Advances in precursor system for silica-based aerogel production toward improved mechanical properties,customized morphology,and multifunctionality:a review[J].Advances in Colloid and Interface Science,2020,276:102101
[8] Xia T,Yang H L,Li J N,et al.Tailoring structure and properties of silica aerogels by varying the content of the tetramethoxysilane added in batches[J].Microporous and Mesoporous Materials,2019,280:20-25.
[9] Yang Z,Li J,Xu X Z,et al.Synthesis of monolithic carbon aerogels with high mechanical strength via ambient pressure drying without solvent exchange[J].Journal of Materials Science & Technology,2020,50:66-74.
[10] Hund J F,Mcelgresh J,Frederick C A,et al.Fabrication and characterization of aluminum oxide aerogel backlighter targets[J].Polymers for Advanced Technologies,2007.51(4):701-704.
[11] Laberty-Robert C,Long J W,Lucas E M,et al.Solgel-derived ceria nanoarchitectures:synthesis,characterization,and electrical properties[J].Chemistry of Materials,2006,18(1):50-58
[12] Ren X H,Guo H H,Feng J K,et al.Synergic mechanism of adsorption and metal-free catalysis for phenol degradation by n-doped graphene aerogel[J].Chemosphere Environmental Toxicology & Risk Assessment,2018,191:389-399.
[13] 张欢,薄玉琴,刘欣,等.石墨烯/碳纳米管复合气凝胶制备及其光热蒸发性能评价[J].功能材料,2021,52(6):6026-6032.
[14] Qiu D,Cao T F,Zhang J,et al.Precise carbon structure control by salt template for high performance sodium-ion storage[J].Journal of Energy Chemistry,2018,31(4):109-114.
[15] 张飞燕,石明,梅邱峰,等.双亲性PGAs气凝胶的制备及吸油性能[J].高校化学工程学报,2021,35(1):172-180.
[16] 李健,张恩爽,刘圆圆,等.超低密度气凝胶的制备及应用[J].化学进展,2020,32(6):713-726.
[17] Chen D Y,Zhang G P,Wang M M,et al.Pt/MnO2 nanoflowers anchored to boron nitride aerogels for highly efficient enrichment and catalytic oxidation of formaldehyde at room temperature[J].Angewandte Chemie International Edition,2021,133(12):6447-6451.
[18] Qu J F,Chen D,Li N J,et al.3D gold-modified cerium and cobalt oxide catalyst on a graphene aerogel for highly efficient catalytic formaldehyde oxidation[J].Small,2018,15(2):1804415.
[19] Wei Y,Jin S,Zhang R,et al.Preparation of mesoporous Mn-Ce-Ti-O aerogels by a one-pot sol-gel method for selective catalytic reduction of NO with NH3[J].Materials,2020,13(2):475.
[20] Zhang H W,Noonan O,Huang X D,et al.Surfactant-free assembly of mesoporous carbon hollow spheres with large tunable pore sizes[J].ACS Nano,2016,10(4):4579-4586.
[21] Chen Z P,Ren W C,Gao L B,et al.Three-dimensional flexible and conductive interconnected graphene networks grown by chemical vapour deposition[J].Nature Materials,2011,10(6):424-428.
[22] Qu J F,Chen D Y,Li N J,et al.Engineering 3D Ru/graphene aerogel using metal-organic frameworks:capture and highly efficient catalytic CO oxidation at room temperature[J].Small,2018,14(16):1800343.
[23] Pan Y K,Chen M Q,Hu M F,et al.Probing the room-temperature oxidative desulfurization activity of three-dimensional alkaline graphene aerogel[J].Applied Catalysis B:Environmental,2019,262:118266-118266.
[24] Ban Y X,Wang X C.Features and application of titanium dioxide thin films in water treatment[J].Procedia Engineering,2011,24(1):663-666.
[25] Tang S Y,Ran J Y,Guo J J,et al.Preparation of highly stable and effective n-doped TiO2@SiO2 aerogel catalyst for degradation of organic pollutants by visible light catalysis[J].Journal of Chemistry,2019,2019(1-2):1-10.
[26] Song L,Shu L,Wang Y Q,et al.Metal nanoparticle-embedded bacterial cellulose aerogels via swelling-induced adsorption for nitrophenol reduction[J].International Journal of Biological Macromolecules,2020,143:922-927.
[27] Chen Z A,Zhang Y M,Zhou L C,et al.Performance of nitrogen-doped graphene aerogel particle electrodes for electro-catalytic oxidation of simulated bisphenol a wastewater[J].Journal of Hazardous Materials,2017,332:70-78.
[28] Niu Z,Yue T,Hu W J H,et al.Covalent bonding of MnO2 onto graphene aerogel forwards:efficiently catalytic degradation of organic wastewater[J].Applied Surface Science,2019,496:143585.
[29] Hu E L,Shang S M,Tao X M,et al.Regeneration and reuse of highly polluting textile dyeing effluents through catalytic ozonation with carbon aerogel catalysts[J].Journal of Cleaner Production,2016,137:1055-1065.
[30] Zhao H Y,Chen Y,Peng Q S,et al.Catalytic activity of MOF(2Fe/Co)/carbon aerogel for improving H2O2 and radical OH generation in solar photo-electro-Fenton process[J].Applied Catalysis B:Environmental,2017,203:127-137
[31] Köppel R,Stocker C,Baiker A.Copper and silver-zirconia aerogels:preparation,structural properties and catalytic behavior in methanol synthesis from carbon dioxide[J].Journal of Catalysis,1998,179(2):515-527.
[32] Liu C Y,Zhang Y,Cai J G.Synthesis of Ru-silica aerogel as efficient catalyst for hydrogenation of p-phenylenediamine to 1,4-cyclohexanediamine[J].The Canadian Journal of Chemical Engineering,2018,97:917-923
[33] Dominguez M,Taboada E,Molins E,et al.Co-Fe-Si aerogel catalytic honeycombs for low temperature ethanol steam reforming[J].Catalysts,2012,2(3):386-399.
[34] Bang Y,Han S J,Yoo J,et al.Hydrogen production by steam reforming of liquefied natural gas (LNG) over mesoporous nickel-phosphorus-alumina aerogel catalyst[J].International Journal of Hydrogen Energy,2014,39(10):4909-4916.
[35] Mishakov I V,Vedyagin A A,Bedilo A F,et al.Aerogel VOx/MgO catalysts for oxidative dehydrogenation of propane[J].Catalysis Today,2009,144(3-4):278-284.
[36] Hao Z,Zhu Q,Lei Z,et al.CH4-CO2 reforming over Ni/Al2O3 aerogel catalysts in a fluidized bed reactor[J].Powder Technology- Lausanne,2008,182:474-479.
[37] Kamoun N,Younes M K,Ghorbel A,et al.Effect the solvent evacuation mode on the catalytic properties of nickel-modified sulfated zirconia catalysts:N-hexane isomerization[J].Reaction Kinetics Mechanisms & Catalysis,2014,111(1):199-213.
基金资助
国家自然科学基金(20176012和21076025)
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