为了促进传质,以氧化石墨烯为硬模板对MCM-22分子筛的孔结构进行调整,水热合成具有微孔/介孔/大孔结构的MCM-22分子筛,并利用X射线衍射(XRD)、IR、氮气吸脱附、场发射扫描电子显微镜(FESEM)、透射电镜(TEM)等手段对样品进行表征.结果表明:多级孔MCM-22分子筛中含有大量的非分子筛本身的40～250 nm孔径的介孔/大孔.然后,我们提出了一个简易的多级孔结构的形成机理模型.
参考文献
| [1] | Jerzy Walendziewski;Barbara Pniak.Synthesis,physicochemical properties and hydroisomerization activity of SAPO-11 based catalysts[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,20031(1):39-47. |
| [2] | J.Perez-Ramirez;F.Kapteijn;A.Domenech;G.Mul;J.A.Moulijn.Steam-activated FeMFI zeolites.Evolution of iron species and activity in direct N_2O DECOMPOSITION[J].Journal of Catalysis,20031(1):33-45. |
| [3] | Maheshwari S;Jordan E;Kumar S;Bates FS;Penn RL;Shantz DF;Tsapatsis M.Layer structure preservation during swelling, pillaring, and exfoliation of a zeolite precursor[J].Journal of the American Chemical Society,20084(4):1507-1516. |
| [4] | Yong-Jun Ji;Hao Xu;Da-Rui Wang.Mesoporus MCM-22 Zeolites Prepared through Organic Amine-Assisted Reversible Structural Change and Protective Desilication for Catalysis of Bulky Molecules[J].ACS catalysis,20138(8):1892-1901. |
| [5] | Bin Zhang;Zhendong Wang;Peng Ji.Efficient liquid-phase ethylation of benzene with ethylene over mesoporous MCM-22 catalyst[J].Microporous and mesoporous materials: The offical journal of the International Zeolite Association,2013:63-68. |
| [6] | Egeblad K;Christensen CH;Kustova M;Christensen CH.Templating mesoporous zeolites[J].Chemistry of Materials: A Publication of the American Chemistry Society,20083(3):946-960. |
| [7] | Jacobsen Claus J.H..Mesoporous Zeolite Single Crystals[J].Journal of the American Chemical Society,200029(29):7116-7117. |
| [8] | Xiangju Meng;Faisal Nawaz;Feng-Shou Xiao.Templating route for synthesizing mesoporous zeolites with improved catalytic properties[J].Nano Today,20094(4):292-301. |
| [9] | Chun Kiang Chua;Martin Pumera.Chemical reduction of graphene oxide: a synthetic chemistry viewpoint[J].Chemical Society Reviews,20141(1):291-312. |
| [10] | A. Corma.Inorganic Solid Acids and Their Use in Acid-Catalyzed Hydrocarbon Reactions[J].Chemical Reviews,19953(3):559-614. |
| [11] | Xiaobin Fan;Wenchao Peng;Yang Li;Xianyu Li;Shulan Wang;Guoliang Zhang;Fengbao Zhang.Deoxygenation Of Exfoliated Graphite Oxide Under Alkaline Conditions: A Green Route To Graphene Preparation[J].Advanced Materials,200823(23):4490-4493. |
| [12] | Li D;Muller MB;Gilje S;Kaner RB;Wallace GG.Processable aqueous dispersions of graphene nanosheets[J].Nature nanotechnology,20082(2):101-105. |
| [13] | Archontoula Nikolakopoulou;Dimitrios Tasis;Lambrini Sygellou;Vassilios Dracopoulos;Costas Galiotis;Panagiotis Lianos.Study of the thermal reduction of graphene oxide and of its application as electrocatalyst in quasi-solid state dye-sensitized solar cells in combination with PEDOT[J].Electrochimica Acta,2013:698-706. |
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