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Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 365-371 doi: 10.1007/s11705-007-0066-9

Abstract: The crystalline -MnO and -MnO nanorods have been successfully prepared via a facile hydrothermal methodfrom -MnOOH nanorods precursor, respectively.The morphology and structure of -MnOOH nanorods precursors have a great influence on the crystal structureThe -MnO nanorods are prepared from the 100°C -MnOOH precursor, while the -MnO nanorods are obtainedBesides, the catalytic activity of the prepared -MnO and -MnO nanorods for the HO decomposition has been

Keywords： obtained     -MnOOH precursor     Besides     high-resolution transmission     precursor    

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g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 217-225 doi: 10.1007/s11705-022-2214-7

Abstract: Herein, superior α-MnO2@g-C3N4 was successfully prepared forCompared with pure α-MnO2, α-MnO2@g-C3N4 hasEven at 1 A·g–1, the α-MnO2@g-C3N4 still retains 100The α-MnO2@g-C3N4-based cathode has the highest energy density

Keywords： α-MnO2 hollow nanorods     g-C3N4     heterojunction     aqueous Zn-ion    

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Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-dopedmanganese oxide nanorods with

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 960-968 doi: 10.1007/s11705-020-1999-5

Abstract: 2,5-Furandicarboxylic acid (FDCA) is an important and renewable building block and can serve as an alternativeIn this study, Cu-doped MnO  nanorods were prepared by a facile hydrothermal redox method and employedMore importantly, the Cu-doped MnO catalyst can maintain durable catalytic activity after being recycled

Keywords： 5-hydroxymethylfurfural     25-furandicarboxylic acid     selective oxidation     Cu-doped MnO2     biomass    

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Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 447-457 doi: 10.1007/s11783-015-0808-8

Abstract: /MnO catalysts were synthesized using the sol-gel method.We obtained three MnO microspheres and Au/MnO samples: coherent solid spheres covered with wire-likenanostructures, solid spheres with nanosheets, and hierarchical hollow microspheres with nanoplateletsand nanorods., and γ-MnO shows high catalytic performance.

Keywords： MnO2 microspheres     Au/MnO2     formaldehyde oxidation     γ-MnO2    

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Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 251-256 doi: 10.1007/s11783-007-0043-z

Abstract: nm) as well as some spherical particle structures compared with the hydrous manganese dioxide with 2

Keywords： spherical     microtopography     potassium permanganate     uniform spherical     morphology    

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Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Frontiers of Chemical Science and Engineering   Pages 1659-1671 doi: 10.1007/s11705-022-2173-z

Abstract: Here, CaCO3 hollow microspheres, a high-value product was synthesized from such a reaction, spheres with 4–13 μm diameters and about 2 μm shell thickness were obtained.It is found that there is a transformation of CaCO3 particles from solid-cubic nuclei to hollowTherefore, in absence of auxiliaries, the formation of hollow structures mainly depended on the growthand its changes during the growth process point to the inside–out Ostwald effect in the formation of hollow

Keywords： distiller waste     CO2     hollow microsphere     CaCO3     Ca(OH)2     inside−out    

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Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2376-y

Abstract: treatment, this work proposes a two-step activation method to load MnO2 charge transfer ontobiomass-derived carbon (KAC@MnO2).Comprehensive analysis reveals that KAC@MnO2 has a micro-mesoporous coexistence structureSpecifically, KAC@MnO2 exhibits an initial charge-discharge capacity of 847.3/1813.2 mAh·gEven at a high current density of 1.0 A·g–1, KAC@MnO2 still exhibits excellent

Keywords： biomass-derived carbon     MnO2     lithium-ion batteries     anode material     high reversible capacity    

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Preparation and characterization of alumina hollow fiber membranes

Tao WANG, Yuzhong ZHANG, Guangfen LI, Hong LI

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 265-271 doi: 10.1007/s11705-009-0010-2

Abstract: The inorganic hollow fiber membranes are of great interest due to their high resistance to abrasion,In this study, the alumina (Al O ) hollow fiber membranes were prepared by a combined phase-inversion, which was then sintered at elevated temperatures in order to obtain the Al O hollow fiber membraneThe dope solution consisted of polyethersulfone (PES), N-methyl-2-pyrrolidone (NMP) and polyvinylpyrrolidoneThe prepared Al O hollow fiber membranes were characterized by a scanning electron microscope (SEM)

Keywords： Al2O3     ceramic membranes     hollow fiber    

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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: A strategy of intensifying the visible light harvesting ability of anatase TiO hollow spheres (HSs)

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

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Design and synthesis of ZnCoO/CdS for substantially improved photocatalytic hydrogen production

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 606-616 doi: 10.1007/s11705-022-2233-4

Abstract: In this study, the hydrogen evolution performance of CdS nanorods is improved using ZnCo2OZnCo2O4 nanospheres are synthesized using the hydrothermal and calcination methods, and CdS nanorods are synthesized using the solvothermal method.From the perspective of morphology, numerous CdS nanorods are anchored on the ZnCo2O4In addition, ZnCo2O4 itself exhibits good conductivity and low impedance, which

Keywords： ZnCo2O4 nanosphere     CdS nanorods     photocatalytic hydrogen evolution    

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Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1254-1266 doi: 10.1007/s11705-023-2297-3

Abstract: To enhance the mechanical properties and wear resistance of epoxy resin, polyaniline nanorods were firstSeveral measurements were conducted to investigate the phase structures and compositions of polyaniline nanorodsThe highest values of 110.33 MPa and 2.04 GPa were obtained by adding 5%–7% polyaniline nanorods, whichThe wear rate was increased first and then decreased along with polyaniline nanorods, presenting theThis study tried to broaden the applications of polyaniline nanorods in the field of tribology.

Keywords： epoxy resin     polyaniline nanorods     mechanical property     tribological performance     wear mechanism    

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Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 64-72 doi: 10.1007/s11705-014-1402-5

Abstract: In this paper, α-MnO micronests composed of nanowires were fabricated via a hydrothermal reaction ofThe α-MnO micronests were demonstrated to have a higher adsorption capacity than γ-MnO microspheresThe amount of Congo red adsorbed per unit weight of α-MnO micronests increased significantly from 114Kinetics, isotherms and thermodynamics for the adsorption of Congo red on α-MnO micronests were examinedThe experimental results indicate that α-MnO micronests possess a high adsorption capacity and could

Keywords： MnO2     Congo red     adsorption     kinetics     isotherm     thermodynamics    

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Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved organic matter (DOM) transformation process

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1520-0

Abstract:

• Liquid digestate humification was investigated under different oxidizing environment.

Keywords： Liquid digestate     MnO2     Oxygen     DOM transformation     Humic-like acids    

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Nanostructured hollow spheres of hydroxyapatite: preparation and potential application in drug delivery

Xiaojing ZHANG, Weixin ZHANG, Zeheng YANG, Zhao ZHANG

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 246-252 doi: 10.1007/s11705-012-1299-9

Abstract: A solvothermal method has been successfully used to prepare nanostructured hydroxyapatite (HA) hollow(TEM) and field-emission scanning electron microscopy (FESEM) images show that the shells of the HA hollowThe HA hollow spheres exhibited a higher drug loading capacity and more favorable release properties

Keywords： hydroxyapatite     hollow spheres     synthesis     drug release    

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Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 399-413 doi: 10.1007/s11709-014-0273-7

Abstract: Currently the design scheme of precast hollow concrete bridge piers will be adopted in bridge designFor comparative study of seismic performance of the hollow bridge piers which had different design details, six specimens of hollow section bridge pier were designed and tested.

Keywords： hollow pier     seismic performance     cyclic load     precast concrete     bridge columns    

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Title Author Date Type Operation

Hydrothermal synthesis of crystalline α-/β-MnO2 nanorods via γ-MnOOH nanorod precursors

ZHANG Weixin, REN Xiangbin, YANG Zeheng, WANG Hua, WANG Qiang, HUANG Fei

Journal Article

g-CN-coated MnO hollow nanorod cathode for stable aqueous Zn-ion batteries

Journal Article

Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-dopedmanganese oxide nanorods with

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Journal Article

Catalytic activities and mechanism of formaldehyde oxidation over gold supported on MnO

Guanglong PANG,Donghui WANG,Yunhong ZHANG,Chunyan MA,Zhengping HAO

Journal Article

Atomic force microscopy study on the microtopography of natural organic matter and newly formed hydrous MnO2

GUO Jin, MA Jun, SHI Xuehua

Journal Article

Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Journal Article

Preparation of biomass-derived carbon loaded with MnO as lithium-ion battery anode for improving its

Journal Article

Preparation and characterization of alumina hollow fiber membranes

Tao WANG, Yuzhong ZHANG, Guangfen LI, Hong 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

Design and synthesis of ZnCoO/CdS for substantially improved photocatalytic hydrogen production

Journal Article

Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Journal Article

Facile synthesis of α-MnO

Weixin ZHANG, Wenran ZHAO, Zaoyuan ZHOU, Zeheng YANG

Journal Article

Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved organic matter (DOM) transformation process

Journal Article

Nanostructured hollow spheres of hydroxyapatite: preparation and potential application in drug delivery

Xiaojing ZHANG, Weixin ZHANG, Zeheng YANG, Zhao ZHANG

Journal Article

Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

Journal Article