DICP OpenIR
学科主题物理化学
Bifunctionalized Hollow Nanospheres for the One-Pot Synthesis of Methyl Isobutyl Ketone from Acetone
Wang, Peng1,2; Bai, Shiyang1,2; Zhao, Jiao1,2; Su, Panpan1,2; Yang, Qihua1; Li, Can1; Yang QH(杨启华)
关键词Electron Microscopy Heterogeneous Catalysis Nanotechnology Nmr Spectroscopy Synthetic Methods
刊名CHEMSUSCHEM
2012
DOI10.1002/cssc.201200383
5期:12页:2390-2396
收录类别SCI
文章类型Article
部门归属5
项目归属506;503
产权排名1,1
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]ONE-STEP SYNTHESIS ; MESOPOROUS SILICA ; HETEROGENEOUS CATALYSTS ; HYBRID MATERIALS ; ACID GROUPS ; SPHERES ; SHELL ; HYDROPHOBICITY ; HYDROGENATION ; ADSORPTION
英文摘要Pd-doped propyl sulfonic acid-functionalized hollow nanospheres proved to be efficient bifunctionalized catalysts for the one-pot synthesis of methyl isobutyl ketone (MIBK) from acetone and hydrogen in liquid phase. These hollow nanospheres exhibited a higher activity than their bulk mesoporous counterparts (SBA-15 or FDU-12), mainly due to the short diffusion resistance of hollow nanospheres. Hollow nanospheres with silica frameworks showed higher activity and selectivity for MIBK than those with ethane-bridged frameworks, suggesting that hollow nanospheres with hydrophilic surface properties favor the formation of MIBK. This is probably due to the increased affinity of the hydrophilic surface towards acetone and its decreased affinity towards MIBK, which precludes deep condensation of MIBK with acetone. Under optimal conditions, up to 90?% selectivity for MIBK can be obtained with conversions of acetone as high as 43?%. This result is among the best reported so far for mesoporous silica-based catalysts. The control/fine-tuning of morphology and surface properties provides an efficient strategy for improving the catalytic performance of solid catalysts.
语种英语
WOS记录号WOS:000312220300015
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/118213
专题中国科学院大连化学物理研究所
通讯作者Yang QH(杨启华)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang, Peng,Bai, Shiyang,Zhao, Jiao,et al. Bifunctionalized Hollow Nanospheres for the One-Pot Synthesis of Methyl Isobutyl Ketone from Acetone[J]. CHEMSUSCHEM,2012,5(12):2390-2396.
APA Wang, Peng.,Bai, Shiyang.,Zhao, Jiao.,Su, Panpan.,Yang, Qihua.,...&杨启华.(2012).Bifunctionalized Hollow Nanospheres for the One-Pot Synthesis of Methyl Isobutyl Ketone from Acetone.CHEMSUSCHEM,5(12),2390-2396.
MLA Wang, Peng,et al."Bifunctionalized Hollow Nanospheres for the One-Pot Synthesis of Methyl Isobutyl Ketone from Acetone".CHEMSUSCHEM 5.12(2012):2390-2396.
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