Results 1 to 10 of about 65,683 (195)

Propene epoxidation with molecular oxygen: Advancements from nanoparticle to single‐atom catalysts [PDF]

Smart Molecules
Propylene oxide plays a pivotal role as an organic synthesis intermediate, boasting extensive downstream applications and promising market prospects.
Qiuming He, Dong Lin, Defu Yin, Chaohe Yang, De Chen, Xiang Feng   +5 more
doaj   +5 more sources

Radical-constructed intergrown titanosilicalite interfaces for efficient direct propene epoxidation with H2 and O2 [PDF]

Nature Communications
The development of titianosilicates is considered a major milestone in oxidative catalysis due to the ability of framework Ti sites to co-ordinate hydrogen peroxide/peroxy species.
Dong Lin, Xiang Feng, Yang Xu, Richard J. Lewis, Xiao Chen, Thomas E. Davies, Samuel Pattisson, Mark Douthwaite, Defu Yin, Qiuming He, Xiuhui Zheng, De Chen, Chaohe Yang, Graham J. Hutchings   +13 more
doaj   +3 more sources

Engineering a Coordinatively Unsaturated Au–O–Ti3+ Structure Toward Unprecedented H2 Efficiency for Low-Temperature Propene Epoxidation with H2 and O2

Engineering, 2023
Since 1998, the Au–O–Ti4+ sites of Au/Ti-based catalysts have been widely accepted as the active sites for propene epoxidation with H2 and O2 at a relatively high temperature, although they are limited by poor H2 efficiency.
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   +12 more
doaj   +2 more sources

The design, synthesis and catalytic performance of vanadium-incorporated mesoporous silica with 3D mesoporous structure for propene epoxidation. [PDF]

RSC Adv, 2020
V-containing mesoporous silica with 3D structure was prepared by a hydrothermal procedure using NH4VO3 as the vanadium precursor and with varied reaction mixture pH values (pH = 3 and pH = 5). The combined use of DR UV-vis and H2-TPR techniques confirmed
Held A, Janiszewska E, Czerepińska J, Kowalska-Kuś J.   +3 more
europepmc   +2 more sources

Enhancing the dynamic electron transfer of Au species on wormhole-like TS-1 for boosting propene epoxidation performance with H2 and O2

Green Energy & Environment, 2020
Engineering unique electronic structure of catalyst to boost catalytic performance is of prime scientific and industrial importance. Herein, the identification of intrinsic electronic sensitivity for direct propene epoxidation was first achieved over ...
Dong Lin, Xiuhui Zheng, Xiang Feng, Nan Sheng, Zhaoning Song, Yibin Liu, Xiaobo Chen, Zhenping Cai, De Chen, Chaohe Yang   +9 more
doaj   +2 more sources

Engineering three-layer core–shell S-1/TS-1@dendritic-SiO2 supported Au catalysts towards improved performance for propene epoxidation with H2 and O2

Green Energy & Environment, 2020
The advocacy of green chemical industry has led to the development of highly efficient catalysts for direct gas-phase propene epoxidation with green, sustainable and simple essence.
Zhaoning Song, Juncong Yuan, Zhenping Cai, Dong Lin, Xiang Feng, Nan Sheng, Yibin Liu, Xiaobo Chen, Xin Jin, De Chen, Chaohe Yang   +10 more
doaj   +2 more sources

Selective oxidation by TS-1 coupled with in-situ synthesised H2O2 [PDF]

Fundamental Research
Feedstock valorisation with preformed H2O2 in conjunction with titanosilicate zeotypes is particularly attractive due to the increased selectivity, lower operating temperatures and improved process efficiency (particularly lower energy usage and enhanced
Dong Lin, Richard J. Lewis, Xiang Feng, Graham J. Hutchings   +3 more
doaj   +2 more sources

Epoxidation of Alkenes by Peracids: From Textbook Mechanisms to a Quantum Mechanically Derived Curly‐Arrow Depiction

ChemistryOpen, 2019
Using the intrinsic bond orbital (IBO) analysis based on accurate quantum mechanical calculations of the reaction path for the epoxidation of propene using peroxyacetic acid, we find that the four commonly used curly arrows for representing this reaction
Dr. Johannes E. M. N. Klein, Prof. Dr. Gerald Knizia, Prof. Dr. Henry S. Rzepa   +2 more
doaj   +1 more source

Propene epoxidation with H2 and O2 on Au/TS-1 catalyst: Cost-effective synthesis of small-sized mesoporous TS-1 and its unique performance

, 2020
Designing cost-effective titanium silicalite-1 (TS-1) with enhanced mass transfer ability is of prime scientific and industrial importance. In this work, a novel small-sized mesoporous TS-1 (STS-1) material is first synthesized in cheap TPABr system ...
Zhaoning Song, Xiang Feng, Nan Sheng, D. Lin, Yi-Chuan Li, Yibin Liu, Xiaobo Chen, Xinggui Zhou, De Chen, Chao-He Yang   +9 more
semanticscholar   +1 more source

Enhanced Catalytic Performance for Propene Epoxidation with H2 and O2 over Bimetallic Au–Ag/Uncalcined Titanium Silicate-1 Catalysts

ACS Catalysis, 2018
Gradually emerging environmental concerns have triggered the development of highly efficient catalysts for propene epoxidation with H2 and O2. Unfortunately, intensifying the activity and stability is still a challenging task.
Xiang Feng, Jia Yang, Xuezhi Duan, Yueqiang Cao, Bingxu Chen, Wen-Yao Chen, D. Lin, G. Qian, De Chen, Chao-He Yang, Xinggui Zhou   +10 more
semanticscholar   +1 more source