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Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H2< Article

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Engineering 2023, Volume 25, Issue 6,   Pages 144-156 doi: 10.1016/j.eng.2023.01.008

Abstract:

Since 1998, the Au–O–Ti4+ sites of Au/Ti-based catalysts have been widely acceptedHerein, we demonstrate a novel Au–O–Ti3+ active site aiming at low-temperatureThe Au–O–coordinatively unsaturated Ti3+ active site is quantitively constructedIt was found that the Ti–OOH generation rate is higher on Au–O–Ti3+ thanon conventional Au–O–Ti4+ sites.

Keywords： Propene epoxidation     H2 efficiency     Au/Ti bifunctional catalysts     Coordinatively unsaturatedTi     Density-functional theory    

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Alkylation of benzene with carbon dioxide to low-carbon aromatic hydrocarbons over bifunctional Zn-Ti

Xiangyu Liu, Yanling Pan, Peng Zhang, Yilin Wang, Guohao Xu, Zhaojie Su, Xuedong Zhu, Fan Yang

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 384-396 doi: 10.1007/s11705-021-2045-y

Abstract: Herein, alkylation of benzene with CO and H was realized by a series of low-cost bifunctional catalystscontaining zinc/titanium oxides (Zn/Ti oxides) and HZSM-5 molecular sieves in a fixed-bed reactor.By regulating and controlling oxygen vacancies of Zn/Ti oxides and the acidities of HZSM-5, benzene conversion

Keywords： carbon dioxide     benzene     alkylation     bifunctional catalyst     mechanism    

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Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 461-474 doi: 10.1007/s11705-021-2072-8

Abstract: environmentally friendly technology for aniline production, and it is crucial to develop noble-metal-free catalystsIn this work, zinc-modified Ni-Ti catalysts (NixZnyTi1The results reveal that NixZnyTi1 (Ni0.5Zn0.5Ti1) shows excellent catalytic performance under mild conditions (70 °C and 6findings provide a rational strategy for the development of highly active non-noble-metal hydrogenation catalysts

Keywords： bimetal strategy     oxygen vacancy     non-noble metal catalyst     hydrogenation     aromatic nitro compounds    

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ZnZr/HZSM-5 as efficient catalysts for alkylation of benzene with carbon dioxide

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 404-414 doi: 10.1007/s11705-022-2215-6

Abstract: dioxide and hydrogen reaction was proceeded by using the mixture of zinc-zirconium oxide and HZSM-5 as bifunctionalAdditionally, the bifunctional catalyst has excellent stabilities that could keep operating without deactivation

Keywords： carbon dioxide     alkylation of benzene     solid solution catalyst     bifunctional catalyst    

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Excellent performance of Cu-Mn/Ti-sepiolite catalysts for low-temperature CO oxidation

Yong Song,Lisha Liu,Zhidan Fu,Qing Ye,Shuiyuan Cheng,Tianfang Kang,Hongxing Dai

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0908-8

Abstract: Ti-pillars have an impact on physicochemical property of the sample. 30Mn5Cu/Ti-Sep shows excellent catalyticThe Ti-modified sepiolite (Ti-Sep)-supported Mn-Cu mixed oxide ( Mn5Cu/Ti-Sep) catalysts were synthesizedIt was found that the catalytic activities of Mn5Cu/Ti-Sep were higher than those of 5Cu/Ti-Sep and30Mn/Ti-Sep, and the Mn/Cu molar ratio had a distinct influence on catalytic activity of the sample.Among the Mn5Cu/Ti-Sep samples, the 30Mn5Cu/Ti-Sep catalyst showed the best activity (which also outperformed

Keywords： Ti-modified sepiolite     Supported Mn-Cu mixed oxide     Low-temperature reducibility     Strong metal-support interaction    

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Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 497-504 doi: 10.1007/s11783-011-0256-z

Abstract: Au-supported 13X-type zeolite (Au/13X) was synthesized using a common deposition–precipitation (DP) methodchloroauric acid concentration, solution temperature, pH of solution, and calcinations temperature) on AuThe activity of Au/13X catalysts in CO oxidation was dependent on the chloroauric acid concentration.Results revealed that higher temperatures induced higher Au loading, homogeneous deposit, and smallerFurthermore, a pH of 5 or 6 generated greater amounts of Au loading and smaller Au particles on 13X than

Keywords： 13X-type zeolite     CO oxidation     gold solution     pH     calcination temperature    

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The synergic effects of highly selective bimetallic Pt-Pd/SAPO-41 catalysts for the

Guozhi Jia, Chunmu Guo, Wei Wang, Xuefeng Bai, Xiaomeng Wei, Xiaofang Su, Tong Li, Linfei Xiao, Wei Wu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1111-1124 doi: 10.1007/s11705-020-2031-9

Abstract: The hydroisomerization of -hexadecane over Pt-Pd bimetallic catalysts is an effective way to produceThis work reports a useful preparation method of bimetallic bifunctional catalysts by a co-impregnationFurthermore, monometallic catalysts with loading either Pt or Pd are also prepared for comparison.of the metal species and impregnation order on the characteristics and catalytic performance of the catalystsThe catalytic test results indicate that the maximum -hexadecane yield over different catalysts increases

Keywords： SAPO-41 molecular sieve     Pt-Pd bimetallic site     bifunctional catalysts     n-hexadecane     hydroisomerization    

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A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkaline

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 501-508 doi: 10.1007/s11708-018-0586-7

Abstract: two architectures of tri-metallic PdIrAu/C electrocatalysts are designed and the promoting effect of AuOn the one hand, the tri-metallic Pd Au Ir/C electrocatalyst with a solid solution alloy architectureis less active relative to Pd Ir/C and Pd/C while the stabilizing effect of Au leads to both a higherand a lower degradation percentage after 3000 cycles of the accelerated degradation test (ADT) on Pd AuIt is speculated that for the tri-metallic Pd Ir@(1/3Au)/C electrocatalyst, certain Au atoms are well

Keywords： fuel cells     catalysts     ethanol oxidation     alkaline media     solid solution alloy     near surface alloy    

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Effective regeneration of thermally deactivated commercial V-W-Ti catalysts

Xuesong SHANG, Jianrong LI, Xiaowei YU, Jinsheng CHEN, Chi HE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 38-46 doi: 10.1007/s11705-011-1167-z

Abstract: An effective method for the regeneration of thermally deactivated commercial monolith SCR catalysts waseffects of temperature and the regeneration process on the structural and textural properties of the catalysts

Keywords： V2O5-WO3/TiO2 catalysts     thermal deactivation     regeneration    

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Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 370-375 doi: 10.1007/s11465-010-0107-9

Abstract: In this study, a new transient liquid phase (TLP) system Au-Sn-Au was developed for potential medicalThe high and low melting phases Au and Sn were deposited onto diverse substrates by magnetron-sputter-ion

Keywords： transient liquid phase     microtechnology     soldering     diffusion     physical vapor deposition (PVD)    

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Fabrication and in vivo evaluation of Ti6Al4V implants with controlled porous structure and complex shape

Xiang LI, Yun LUO, Chengtao WANG, Wenguang ZHANG, Yuanchao LI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 66-71 doi: 10.1007/s11465-012-0302-y

Abstract:

Electron beam melting process was used to fabricate porous Ti6Al4V implants.The results of the study showed that the EBM produced Ti6Al4V implants with well-controlled porous structure

Keywords： electron beam melting process     implant     porous structure     bone ingrowth    

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Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 665-671 doi: 10.1007/s11705-019-1815-2

Abstract: hollow spheres (HSs) was developed, in which both sides of TiO HSs were utilised for stabilising AuThe composite structure of single Au NP yolk-TiO shell-Au NPs, denoted as Au@Au(TiO , was rendered andAu@Au(TiO showed enhanced photocatalytic activity in the degradation of methylene blue and phenol inaqueous phase under visible light surpassing that of other reference materials such as Au(TiO by 77%and Au@P25 by 52%, respectively, in phenol degradation.

Keywords： TiO2 hollow spheres     plasmonic Au nanoparticles     confinement     visible light     photocatalytic degradation    

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Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1367-1376 doi: 10.1007/s11705-022-2153-3

Abstract: The exploration of efficient bifunctional electrocatalysts for oxygen reduction reaction and oxygen evolutionelectrocatalytic oxygen reduction reaction activity, comparable with those of state-of-the-art Pt/C catalysts

Keywords： metal phosphonate     cobalt/nickel phosphide     N-doped carbon     oxygen electrochemistry     Zn−air battery    

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Ti incorporation in MCM-41 mesoporous molecular sieves using hydrothermal synthesis

Shengping WANG, Changqing MA, Yun SHI, Xinbin MA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 95-103 doi: 10.1007/s11705-014-1405-2

Abstract: Titanium-containing mesoporous materials (Ti-MCM-41) were obtained by hydrothermal synthesis.Such materials are active catalysts for the transesterification of dimethyl oxalate and phenol to produceTo understand the role of the Ti in the catalytic process, Ti-MCM-41 samples with different Si/Ti ratiosIn addition, the number of Ti(IV) sites increased as the amount of titanium increased.for the transesterification catalytic properties of Ti-MCM-41.

Keywords： Ti-MCM-41     mesoporous molecular sieve     acid sites     transesterification     hydrothermal synthesis    

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Fabrication and photocatalytic ability of an Au/TiO2

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-017-0977-8

Abstract: A new type of Au/TiO /reduced graphene oxide (RGO) nanocomposite was fabricated by the hydrothermal synthesisof TiO on graphene oxide followed by the photodeposition of Au nanoparticles.Transmission electron microscopy images showed that Au nanoparticles were loaded onto the surface ofAu/TiO /RGO had a better photocatalytic activity than Au/TiO for the degradation of phenol.Electrochemical measurements indicated that Au/TiO /RGO had an improved charge transfer capability.

Keywords： Reduced graphene oxide     Au     TiO2     Nanocomposite     Photocatalysis    

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Title Author Date Type Operation

Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H2<

Zhaoning Song, Hao Yan, Juncong Yuan, Hongfei Ma, Jianlin Cao, Yongxiang Wang, Qiang Wang, Chong Peng, Feng Deng, Xiang Feng, De Chen, Chaohe Yang, Yongkang Hu

Journal Article

Alkylation of benzene with carbon dioxide to low-carbon aromatic hydrocarbons over bifunctional Zn-Ti

Xiangyu Liu, Yanling Pan, Peng Zhang, Yilin Wang, Guohao Xu, Zhaojie Su, Xuedong Zhu, Fan Yang

Journal Article

Zinc modification of Ni-Ti as efficient NiZnTi catalysts with both geometric and electronic improvements

Journal Article

ZnZr/HZSM-5 as efficient catalysts for alkylation of benzene with carbon dioxide

Journal Article

Excellent performance of Cu-Mn/Ti-sepiolite catalysts for low-temperature CO oxidation

Yong Song,Lisha Liu,Zhidan Fu,Qing Ye,Shuiyuan Cheng,Tianfang Kang,Hongxing Dai

Journal Article

Low-temperature CO oxidation over Au-doped 13X-type zeolite catalysts: preparation and catalytic activity

Qing YE, Donghui LI, Jun ZHAO, Jiansheng ZHAO, Tianfang KANG, Shuiyuan CHENG

Journal Article

The synergic effects of highly selective bimetallic Pt-Pd/SAPO-41 catalysts for the

Guozhi Jia, Chunmu Guo, Wei Wang, Xuefeng Bai, Xiaomeng Wei, Xiaofang Su, Tong Li, Linfei Xiao, Wei Wu

Journal Article

A perspective on the promoting effect of Ir and Au on Pd toward the ethanol oxidation reaction in alkaline

S. Y. SHEN, Y. G. GUO, G. H. WEI, L. X. LUO, F. LI, J. L. ZHANG

Journal Article

Effective regeneration of thermally deactivated commercial V-W-Ti catalysts

Xuesong SHANG, Jianrong LI, Xiaowei YU, Jinsheng CHEN, Chi HE

Journal Article

Development of new transient liquid phase system Au-Sn-Au for microsystem technology

Kirsten BOBZIN, Nazlim BAGCIVAN, Lidong ZHAO, Stefania FERRARA, Jan PERNE

Journal Article

Fabrication and in vivo evaluation of Ti6Al4V implants with controlled porous structure and complex shape

Xiang LI, Yun LUO, Chengtao WANG, Wenguang ZHANG, Yuanchao LI

Journal Article

Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Journal Article

Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Journal Article

Ti incorporation in MCM-41 mesoporous molecular sieves using hydrothermal synthesis

Shengping WANG, Changqing MA, Yun SHI, Xinbin MA

Journal Article

Fabrication and photocatalytic ability of an Au/TiO2

Fenghe Lv, Hua Wang, Zhangliang Li, Qi Zhang, Xuan Liu, Yan Su

Journal Article