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Advances in chemical synthesis and application of metal-metalloid amorphous alloy nanoparticulate catalysts

WU Zhijie, LI Wei, ZHANG Minghui, TAO Keyi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 87-95 doi: 10.1007/s11705-007-0018-4

Abstract: This paper reviews the advances in the chemical synthesis and application of metal-metalloid amorphousAfter a brief introduction on the history of amorphous alloy catalysts, the paper focuses on the propertiesof amorphous alloy nanoparticles.This paper further outlines the applications of amorphous alloys, with special emphasis on the problemsand strategies for the application of amorphous alloy nanoparticles in catalytic reactions.

Influence of using amorphous silicon stack as front heterojunction structure on performance of interdigitated

Rui JIA,Ke TAO,Qiang LI,Xiaowan DAI,Hengchao SUN,Yun SUN,Zhi JIN,Xinyu LIU

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 96-104 doi: 10.1007/s11708-016-0434-6

Abstract: investigate the potential of front surface field (FSF) offered by stack of n-type doped and intrinsic amorphousThe n-type doped amorphous silicon (n-a-Si) layer has been optimized in terms of doping level and thicknessThe optimized intrinsic amorphous silicon (i-a-Si) layer should be as thin as possible with an energy

Keywords: amorphous silicon     front surface field     simulations     interdigitated back contact-heterojunction solar cells    

Thermodynamic study on dynamic water and organic vapor sorption on amorphous valnemulin hydrochloride

Jinbo OUYANG, Jingkang WANG, Yongli WANG, Qiuxiang YIN, Hongxun HAO

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 94-104 doi: 10.1007/s11705-015-1460-3

Abstract: The sorption of water and organic vapors on valnemulin hydrochloride was determined by dynamic vapor sorption at 25 °C. The adsorption-desorption behavior of water vapor and a series of organic vapors was investigated to probe the structural changes in valnemulin hydrochloride before and after sorption. The isothermal adsorption equilibrium data was evaluated using Guggenheim-Anderson-deBoer (GAB) and Brunauer-Emmett-Teller (BET) models. The BET model is applicable only at low relative pressures (0.1≤RP≤0.4) while the GAB model is applicable in the whole range of RPs (0.1≤RP≤0.9). The sorption kinetics at high RPs was determined by fitting the sorption data to the Avrami equation and the sorption content time relationship could be predicted by the Avrami equation. Finally, the possible sorption mechanism of valnemulin hydrochloride was also discussed.

Keywords: valnemulin hydrochloride     water vapor     organic vapors     sorption     kinetics    

Hydrogenation of furfuryl alcohol to tetrahydrofurfuryl alcohol on NiB/SiO2 amorphous alloy catalyst

SONG Yun, LI Wei, ZHANG Minghui, TAO Keyi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 151-154 doi: 10.1007/s11705-007-0028-2

Abstract: NiB/SiO amorphous alloy catalyst was prepared by power electroless plating method and characterized by

Keywords: following     Brunauer     electroless     temperature     transmission    

>In situ growth of phosphorized ZIF-67-derived amorphous CoP/Cu2O@CF electrocatalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1430-1439 doi: 10.1007/s11705-023-2320-1

Abstract: , we report an in situ phosphorization of zeolitic imidazole frameworks (ZIF-67) to generate amorphous

Keywords: CoP/Cu2O@CF     electrocatalyst     phosphorization     HER     DFT    

Research of the Preparation Technology for Zr66Al9Cu16Ni9 Bulk Amorphous

Ruan Xuping,Ruan Hongwei

Strategic Study of CAE 2004, Volume 6, Issue 5,   Pages 76-78

Abstract:

The paper introduced the preparation technology for bulk amorphous alloys.sub>66Al9Ni9Cu16 alloy, hence hindering the formation of the amorphousof the raw and processed materials were the important factors for to promoting the melt to form the amorphous

Keywords: bulk amorphous alloy     preparation technology     glass     fused salt     vacuum degree    

Subsurface damage pattern and formation mechanism of monocrystalline -GaO in grinding process

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0677-3

Abstract: the rough and fine grinding processes, cracks were also observed in the rough grinding process, and amorphousThe formation of nanocrystals and amorphous phase was related to the grinding conditions and material

Keywords: monocrystalline beta-phase gallium oxide     grinding process     subsurface damage     nanocrystals     amorphous    

Tunable In-Plane Anisotropy in Amorphous Sm–Co Films Grown on (011)- Oriented Single-Crystal Substrates Article

Wenhui Liang, Houbo Zhou, Jiefu Xiong, Fengxia Hu, Jia Li, Jian Zhang, Jing Wang, Jirong Sun, Baogen Shen

Engineering 2020, Volume 6, Issue 2,   Pages 158-163 doi: 10.1016/j.eng.2019.11.010

Abstract:

Amorphous Sm–Co films with uniaxial in-plane anisotropy have great potential for applicationHere, we report a new way to produce uniaxial in-plane anisotropy by growing amorphous Sm–Co filmsvalue as high as about 3.3 × 104 J·m−3 was obtained in the amorphousThis work provides a new way to obtain in-plane anisotropy in amorphous Sm–Co films.

Keywords: Amorphous Sm–Co films     In-plane uniaxial anisotropy     Sputtering    

Development of a new wear resistant coating by arc spraying of a steel-based cored wire

Lidong ZHAO, Pia KUTSCHMANN, Binyou FU, Dingyong HE

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 1-4 doi: 10.1007/s11465-009-0012-2

Abstract: 12Co as filler materials was designed and deposited to produce a new wear resistant coating containing amorphousThe XRD and TEM analyses showed that there are high volume of amorphous phase and very fine crystallineDTA measurements revealed that the crystallization of the amorphous phase occurred at 579.2°C.

Keywords: amorphous phase     arc spraying     microstructure     wear     cored wire    

Thermal reffusivity: uncovering phonon behavior, structural defects, and domain size

Yangsu XIE, Bowen ZHU, Jing LIU, Zaoli XU, Xinwei WANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 143-157 doi: 10.1007/s11708-018-0520-z

Abstract: We highlight that this new theory can be used for not only metals, but also nonmetals, even for amorphousresidual thermal reffusivity at the 0 K limit, the structural thermal domain (STD) size of crystalline and amorphousUltimately, the future application of thermal reffusivity theory in studying 2D materials and amorphous

Keywords: reffusivity theory     phonon behavior     structure defects     structural thermal domain (STD) size     2D material     amorphous    

Ultrathin microcrystalline hydrogenated Si/Ge alloyed tandem solar cells towards full solar spectrum conversion

Yu Cao, Xinyun Zhu, Xingyu Tong, Jing Zhou, Jian Ni, Jianjun Zhang, Jinbo Pang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 997-1005 doi: 10.1007/s11705-019-1906-0

Abstract: Thin film solar cells have been proved the next generation photovoltaic devices due to their low cost, less material consumption and easy mass production. Among them, micro-crystalline Si and Ge based thin film solar cells have advantages of high efficiency and ultrathin absorber layers. Yet individual junction devices are limited in photoelectric conversion efficiency because of the restricted solar spectrum range for its specific absorber. In this work, we designed and simulated a multi-junction solar cell with its four sub-cells selectively absorbing the full solar spectrum including the ultraviolet, green, red as well as near infrared range, respectively. By tuning the Ge content, the record efficiency of 24.80% has been realized with the typical quadruple junction structure of a-Si:H/a-Si Ge :H/µc-Si:H/µc-Si Ge :H. To further reduce the material cost, thickness dependent device performances have been conducted. It can be found that the design of total thickness of 4 m is the optimal device design in balancing the thickness and the . While the design of ultrathin quadruple junction device with total thickness of 2 m is the optimized device design regarding cost and long-term stability with a little bit more reduction in . These results indicated that our solar cells combine the advantages of low cost and high stability. Our work may provide a general guidance rule of utilizing the full solar spectrum for developing high efficiency and ultrathin multi-junction solar cells.

Keywords: thin films     solar cells     quadruple junction solar cell     amorphous silicon     silicon germanium alloy     quantum    

The Nanoscale Density Gradient as a Structural Stabilizer for Glass Formation Article

Shaoxiong Zhou, Bangshao Dong, Yanguo Wang, Jingyu Qin, Weihua Wang

Engineering 2023, Volume 29, Issue 10,   Pages 120-129 doi: 10.1016/j.eng.2023.01.010

Abstract: the glass-forming process are responsible for the NDG that stabilizes both the supercooled ML and the amorphous

Keywords: Rapid cooling     Amorphous solid     Density gradient     Electron tomography     Atomic clusters    

Title Author Date Type Operation

Advances in chemical synthesis and application of metal-metalloid amorphous alloy nanoparticulate catalysts

WU Zhijie, LI Wei, ZHANG Minghui, TAO Keyi

Journal Article

Influence of using amorphous silicon stack as front heterojunction structure on performance of interdigitated

Rui JIA,Ke TAO,Qiang LI,Xiaowan DAI,Hengchao SUN,Yun SUN,Zhi JIN,Xinyu LIU

Journal Article

Thermodynamic study on dynamic water and organic vapor sorption on amorphous valnemulin hydrochloride

Jinbo OUYANG, Jingkang WANG, Yongli WANG, Qiuxiang YIN, Hongxun HAO

Journal Article

Hydrogenation of furfuryl alcohol to tetrahydrofurfuryl alcohol on NiB/SiO2 amorphous alloy catalyst

SONG Yun, LI Wei, ZHANG Minghui, TAO Keyi

Journal Article

>In situ growth of phosphorized ZIF-67-derived amorphous CoP/Cu2O@CF electrocatalyst

Journal Article

Research of the Preparation Technology for Zr66Al9Cu16Ni9 Bulk Amorphous

Ruan Xuping,Ruan Hongwei

Journal Article

Subsurface damage pattern and formation mechanism of monocrystalline -GaO in grinding process

Journal Article

Tunable In-Plane Anisotropy in Amorphous Sm–Co Films Grown on (011)- Oriented Single-Crystal Substrates

Wenhui Liang, Houbo Zhou, Jiefu Xiong, Fengxia Hu, Jia Li, Jian Zhang, Jing Wang, Jirong Sun, Baogen Shen

Journal Article

Development of a new wear resistant coating by arc spraying of a steel-based cored wire

Lidong ZHAO, Pia KUTSCHMANN, Binyou FU, Dingyong HE

Journal Article

Thermal reffusivity: uncovering phonon behavior, structural defects, and domain size

Yangsu XIE, Bowen ZHU, Jing LIU, Zaoli XU, Xinwei WANG

Journal Article

Ultrathin microcrystalline hydrogenated Si/Ge alloyed tandem solar cells towards full solar spectrum conversion

Yu Cao, Xinyun Zhu, Xingyu Tong, Jing Zhou, Jian Ni, Jianjun Zhang, Jinbo Pang

Journal Article

The Nanoscale Density Gradient as a Structural Stabilizer for Glass Formation

Shaoxiong Zhou, Bangshao Dong, Yanguo Wang, Jingyu Qin, Weihua Wang

Journal Article