Browsing NTNU Open by Author "Duan, Xuezhi"
Now showing items 21-35 of 35
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On the nature of Pt-carbon interactions for enhanced hydrogen generation
Chen, Wenyao; Chen, S. M.; Qian, G.; Song, L.; Chen, De; Zhou, Xinggui; Duan, Xuezhi (Peer reviewed; Journal article, 2020)Understanding the metal-support interactions in heterogeneous catalysis is critical yet complicated to tailor-design the catalysts with desirable properties. Exemplified with Pt-catalyzed ammonia borane (AB) hydrolysis, a ... -
Optimising surface d charge of AuPd nanoalloy catalysts for enhanced catalytic activity
Zhu, Xiaojuan; Qishui, Guo; Sun, Yafei; Chen, Shangjun; Wang, Jian-Qiang; Wu, Mengmeng; Fu, Wenzhao; Tang, Yanqiang; Duan, Xuezhi; Chen, De; Wan, Ying (Journal article; Peer reviewed, 2019)Understanding the catalytic mechanism of bimetallic nanocatalysts remains challenging. Here, we adopt an adsorbate mediated thermal reduction approach to yield monodispersed AuPd catalysts with continuous change of the ... -
Polymer decoration of carbon support to boost Pt-catalyzed hydrogen generation activity and durability
Chen, Wenyao; Fu, W.Z.; Chen, Bingxu; Peng, C.; Qian, G.; Chen, De; Duan, Xuezhi; Zhou, Xinggui (Peer reviewed; Journal article, 2020)Decorating the catalyst support with organic moieties to integrate multiple functionalities into metal particles offers a unique platform to promote the catalytic performance. Here, we report a mechanism-driven strategy ... -
Reaction mechanism and kinetics for hydrolytic dehydrogenation of ammonia borane on a Pt/CNT catalyst
Chen, Wenyao; Li, Dali; Wang, Zijun; Qian, Gang; Sui, Zhijun; Duan, Xuezhi; Zhou, Xinggui; Yeboah, Isaac; Chen, De (Journal article; Peer reviewed, 2017)A reaction mechanism is proposed for hydrolytic dehydrogenation of ammonia borane on a Pt/CNT catalyst. A combination of thermodynamic analysis and FTIR measurement reveals that B‐containing byproducts are mainly in the ... -
Reaction mechanism and kinetics for Pt/CNTs catalyzed base-free oxidation of glycerol
Ma, Yuanyuan; Gan, Jie; Pan, Minjian; Zhang, Yanfang; Fu, Wenzhao; Duan, Xuezhi; Chen, Wenyao; Chen, De; Qian, Gang; Zhou, Xinggui (Journal article; Peer reviewed, 2019)Fundamental understanding of heterogeneously catalyzed aerobic, base-free oxidation of glycerol is highly desirable for sustainable and highly efficient chemical synthesis. In this work, Pt/CNTs catalyzed base-free oxidation ... -
SbOx‐promoted pt nanoparticles supported on CNTs as catalysts for base‐free oxidation of glycerol to dihydroxyacetone
Duan, Xuezhi; Zhang, Yanfang; Pan, Minjian; Dong, Hua; Chen, Bingxu; Ma, Yuanyuan; Qian, Gang; Zhou, Xinggui; Yang, Jia; Chen, De (Journal article; Peer reviewed, 2018)Understanding of selective base‐free oxidation of glycerol to dihydroxyacetone (DHA) over Pt‐based catalysts is of paramount scientific and industrial importance. In this work, a comparative study between differently sized ... -
Structural and kinetic insights into Pt/CNT catalysts during hydrogen generation from ammonia borane
Chen, Wenyao; Wang, Zijun; Duan, Xuezhi; Qian, Gang; Chen, De; Zhou, Xinggui (Journal article; Peer reviewed, 2018)Unraveling the structural and kinetic consequences of catalyst properties, which vary with the catalyst preparation methods, on their catalytic behaviors is of prime scientific and industrial importance. Exemplified by ... -
Sustainable and Atomically Dispersed Iron Electrocatalysts Derived from Nitrogen- and Phosphorus-Modified Woody Biomass for Efficient Oxygen Reduction
Li, Yahao; Liu, Daobin; Gan, Jie; Duan, Xuezhi; Zang, Ketao; Rønning, Magnus; Song, Li; Luo, Jun; Chen, De (Journal article; Peer reviewed, 2019)Development of low‐cost, efficient, and robust electrocatalysts to replace precious platinum catalysts for oxygen reduction reaction (ORR) is urgent to boost the applications of green energy devices such as fuel cells and ... -
Synergistic Pt-WO3 Dual Active Sites to Boost Hydrogen Production from Ammonia Borane
Chen, Wenyao; Fu, Wenzhao; Qian, Gang; Zhang, Bingsen; Chen, De; Duan, Xuezhi; Zhou, Xinggui (Peer reviewed; Journal article, 2020)Development of synergistic heterogeneous catalysts with active sites working cooperatively has been a pursuit of chemists. Herein, we report for the first time the fabrication and manipulation of Pt-WO3 dual-active-sites ... -
Tailoring of Fe/MnK-CNTs Composite Catalysts for the Fischer–Tropsch Synthesis of Lower Olefins from Syngas
Chen, Bingxu; Zhang, Xinxin; Wenyao, Chen; Wang, Di; Song, Nan; Qian, Gang; Duan, Xuezhi; Yang, Jia; Chen, De; Yuan, Wei-kang; Zhou, Xinggui (Journal article; Peer reviewed, 2018)Iron-catalyzed conversion of coal/biomass-derived syngas directly to lower olefins through Fischer–Tropsch synthesis (i.e., FTO) is a sustainable and short-flow process. Herein, effects of Mn and K promoter loadings on FTO ... -
Taming Electrons in Pt/C Catalysts to Boost the Mesokinetics of Hydrogen Production
Chen, Wenyao; Fu, Wenzhao; Duan, Xuezhi; Chen, Bingxu; Qian, Gang; Si, Rui; Zhou, Xinggui; Yuan, Weikang; Chen, De (Peer reviewed; Journal article, 2022)Taming the electron transfer across metal–support interfaces appears to be an attractive yet challenging methodology to boost catalytic properties. Herein, we demonstrate a precise engineering strategy for the carbon surface ... -
Towards high activity of hydrogen production from ammonia borane over efficient non-noble Ni5P4 catalyst
Feng, Xiang; Zhao, Yuhai; Liu, Dakuo; Mo, Yasi; Liu, Yibin; Chen, Xiaobo; Yan, Wenjuan; Jin, Xin; Chen, Bingxu; Duan, Xuezhi; Chen, De; Yang, Chaohe (Journal article; Peer reviewed, 2018)Catalytic hydrolysis of ammonia borane has tremendous potential as an energy-efficient approach to supply hydrogen for energy vehicles and portable electronic devices. Herein, DFT calculation is first performed on electronic ... -
Uncalcined TS‐2 immobilized Au nanoparticles as a bifunctional catalyst to boost direct propylene epoxidation with H2 and O2
Zhang, Zhihua; Zhao, Xuan; Wang, Gang; Xu, Jialun; Lu, Mengke; Fu, Wenzhao; Duan, Xuezhi; Qian, Gang; Chen, De (Journal article; Peer reviewed, 2019)Developing stable yet efficient Au–Ti bifunctional catalysts is important but challenging for direct propylene epoxidation with H2 and O2. This work describes a novel strategy of employing uncalcined titanium silicalite‐2 ... -
Unleash electron transfer in C-H functionalization by mesoporous carbon-supported palladium interstitial catalysts
Zhao, Xiaorui; Cao, Yueqiang; Duan, Linlin; Yang, Ruoou; Jiang, Zheng; Tian, Chao; Chen, Shangjun; Duan, Xuezhi; Chen, De; Wan, Ying (Peer reviewed; Journal article, 2021)The functionalization of otherwise unreactive C–H bonds adds a new dimension to synthetic chemistry, yielding useful molecules for a range of applications. Arylation has emerged as an increasingly viable strategy for ... -
ZnO-Carbon-Nanotube Composite Supported Nickel Catalysts for Selective Conversion of Cellulose into Vicinal Diols
Van der Wijst, Cornelis; Duan, Xuezhi; Liland, Ingvild Skeie; Walmsley, John; Zhu, Jun; Wang, Aiqin; Zhang, Tao; Chen, De (Journal article; Peer reviewed, 2015)A ZnO-nanolayer-coated carbon nanotube (CNT) composite (ZnO–CNT) was employed as a support to immobilise Ni catalysts. Well-mixed oxides, formed as a result of enhanced interfaces between the two oxides on CNTs, resulted ...