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Progress in Natural Science:Materials International 2008年第11期18卷 1329-1338页

作者： Wenbo Yue Wuzong Zhou School of Chemistry,University of St.Andrews,St.Andrews,Fife KY16 9ST,United Kingdom School of Chemistry University of St. Andrews St. Andrews Fife KY16 9ST United Kingdom

Since the discovery of many types of mesoporous silicas,such as SBA-15,KIT-6,FDU-12 and SBA-16,porous crystalline transition metal oxides,such as Cr2O3,Co3O4,In2O3,NiO,CeO2,WO3,Fe2O3and MnO2,have been synthesized using the mesoporous silicas as hard *** synthetic methods have been *** new porous materials have high potential applications in catalysis, Li-ion rechargeable batteries and gas *** article gives a brief review of the research of porous crystals of metal oxides in the last four years.

关键词： porous single crystal Mesoporous silica Transition metal oxide

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porous Iron-and Cobalt-based single crystals with Enhanced Electrocatalysis Performance

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Chinese Journal of Structural Chemistry 2021年第1期40卷 61-69,2页

作者： ZHANG Fei-Yan XIE Kui College of Chemistry and Materials Science Fujian Normal UniversityFuzhou 350007China Key Laboratory of Design&Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China

porous single crystals have the characteristics of long-range ordering structure and large specific surface area,which will significantly enhance their electrochemical ***,we report a method different from the conventional porous single crystal growth *** method is to directly convert single crystal precursors Co_(3)O_(4) and Fe_(3)O_(4) into Co_(2)N and Fe_(2)N,and then further reduces them to porous single crystals Co and Fe particles under H2/Ar *** removal of O^(2–)in the lattice channel at the pressure of 25~300 torr and the temperature of 300~600℃ will promote nitridation of the single-crystalline Co–O and Fe–O frames,and further remove N^(3–)in H2/Ar atmosphere and recrystallize as Co and *** porous single crystals exhibit enhanced electrochemical properties due to their structural coherence and highly active *** demonstrated that the aminobenzene yield was up to 91%and the selectivity reached 92%in the electrochemical reduction of nitrobenzene.

关键词： porous single crystal crystal growth electrocatalysis

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Identifying and Engineering Active Sites at the Surface of porous single-crystalline Oxide Monoliths to Enhance Catalytic Activity and Stability

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CCS Chemistry 2022年第4期4卷 1441-1451页

作者： Guoming Lin Hao Li Kui Xie Key Laboratory of Optoelectronic Materials Chemistry and Physics Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian 350002 Key Laboratory of Design and Assembly of Functional Nanostructures Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian 350002 Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China FuzhouFujian 350108 Advanced Energy Science and Technology Guangdong Laboratory HuizhouGuangdong 116023

Identifying and engineering active sites play a key role in many catalytic ***,we create well-defined surface structures through the growth of porous single-crystalline Mn_(3)O_(4) and Mn_(2)O_(3) monoliths at centimeter scale and confine atomically dispersed Pt ions in the lattice at the twisted surface to construct isolated active *** activation of lattice oxygen linked to isolated Pt ions is much more effective than the lattice oxygen linked to Mn ions in local structures,leading to an approximately sevento eightfold enhancement of surface oxygen exchange coefficients for catalytic CO *** active structures of PtO_(1.5) and PtO_(1.4) confined at the well-defined surfaces contribute to the efficient activation of lattice oxygen linked to Pt ions in local structures in addition to the chemisorption of CO in the oxidation *** demonstrate the complete CO oxidation with air at 65℃ without degradation being observed even after continuous operation of 300 h.

关键词： porous single crystal active site lattice oxygen activation stability

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