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  1. Article ; Online: Dopamine-modified cobalt spinel nanoparticles as an active catalyst for the acidic oxygen evolution reaction.

    Chen, Zhengle / Yang, Zhiqing / Li, Xinyuan / Li, Longhua / Lin, Hua

    Dalton transactions (Cambridge, England : 2003)

    2024  

    Abstract: The development of efficient non-noble metal electrocatalysts for the oxygen evolution reaction (OER) under acidic conditions remains a critical challenge. Herein, we report a N-doped carbonaceous component-engineered ... ...

    Abstract The development of efficient non-noble metal electrocatalysts for the oxygen evolution reaction (OER) under acidic conditions remains a critical challenge. Herein, we report a N-doped carbonaceous component-engineered Co
    Language English
    Publishing date 2024-05-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d4dt00915k
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Regulating Complex Transition Metal Oxyhydroxides Using Ni

    Fan, Yating / Shi, Weidong / Li, Longhua

    Inorganic chemistry

    2023  Volume 62, Issue 4, Page(s) 1561–1569

    Abstract: In electrochemical decomposition of water, the slow kinetics of the anodic oxygen evolution reaction (OER) is a challenge for efficient hydrogen production. Heterointerface engineering is a desirable way to rationally design electrocatalysts for the OER. ...

    Abstract In electrochemical decomposition of water, the slow kinetics of the anodic oxygen evolution reaction (OER) is a challenge for efficient hydrogen production. Heterointerface engineering is a desirable way to rationally design electrocatalysts for the OER. Herein, we designed and fabricated a nanoparticle flower-like NiCoFe(oxy)hydroxide catalyst in situ grown on the surface of Ni
    Language English
    Publishing date 2023-01-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484438-2
    ISSN 1520-510X ; 0020-1669
    ISSN (online) 1520-510X
    ISSN 0020-1669
    DOI 10.1021/acs.inorgchem.2c03759
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Strain and electric field tunable photoelectric properties of multilayer Sb

    Ding, Wanxin / Li, Longhua

    Journal of physics. Condensed matter : an Institute of Physics journal

    2021  Volume 34, Issue 9

    Abstract: Antimony selenide, ... ...

    Abstract Antimony selenide, Sb
    Language English
    Publishing date 2021-12-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472968-4
    ISSN 1361-648X ; 0953-8984
    ISSN (online) 1361-648X
    ISSN 0953-8984
    DOI 10.1088/1361-648X/ac3db3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Effects of the Interlayer Interaction and Electric Field on the Band Gap of Polar Bilayers: A Case Study of Sc2CO2

    Li, Longhua

    The Journal of Physical Chemistry C. 2016 Nov. 03, v. 120, no. 43

    2016  

    Abstract: The two-dimensional Sc₂CO₂ monolayer has net dipole moments as compared with other functional transition metal carbides. This unique feature may provide potential routes to tune its electronic properties. Herein, the band gap engineering of Sc₂CO₂ ... ...

    Abstract The two-dimensional Sc₂CO₂ monolayer has net dipole moments as compared with other functional transition metal carbides. This unique feature may provide potential routes to tune its electronic properties. Herein, the band gap engineering of Sc₂CO₂ bilayers is investigated by the density functional calculation. We found that the band gap of Sc₂CO₂ bilayers is not only dependent on the relative stacking position and distance but also on the magnitude and direction of external electric field. The competition between the interlayer van der Waals and electrostatic interactions has been revealed as the dominant mechanism for the band gap modulation of polar bilayers. This works demonstrate that polar bilayers exhibit richer electronic properties than the nonpolar one. The interlayer electric field may be utilized to fabricate novel electronic and optoelectronic devices.
    Keywords carbides ; case studies ; electric field ; electronic equipment ; engineering ; physical chemistry ; van der Waals forces
    Language English
    Dates of publication 2016-1103
    Size p. 24857-24865.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1932-7455
    DOI 10.1021%2Facs.jpcc.6b08300
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Modulating Electron Transfer between Pt and MOF Support through Pd Doping Promotes Nanozyme Catalytic Efficiency.

    Guo, Yanguo / Xue, Yuan / Shen, Bingqing / Dong, Yanxin / Zhang, Hai / Yuan, Jiawen / Liu, Zhenjiang / Li, Longhua / Ren, Kewei

    ACS applied materials & interfaces

    2024  

    Abstract: Electron transfer is considered to be a typical parameter that affects the catalytic activity of nanozymes. However, there is still controversy regarding whether higher or lower electron transfer numbers are beneficial for improving the catalytic ... ...

    Abstract Electron transfer is considered to be a typical parameter that affects the catalytic activity of nanozymes. However, there is still controversy regarding whether higher or lower electron transfer numbers are beneficial for improving the catalytic activity of nanozymes. To address this issue, we propose the introduction of Pd doping as an important electron regulation strategy to tune electron transfer between Pt and ZIF-8 carriers (Pt
    Language English
    Publishing date 2024-05-16
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.4c06164
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Flame doping of indium ions into TiO

    Chen, Xue / Chen, Biyi / Li, Dan / Li, Longhua / Xu, Dongbo / Shi, Weidong

    Dalton transactions (Cambridge, England : 2003)

    2023  Volume 52, Issue 41, Page(s) 14747–14751

    Abstract: Indium (In) ions were diffused into a ... ...

    Abstract Indium (In) ions were diffused into a TiO
    Language English
    Publishing date 2023-10-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d3dt02120c
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Hierarchical nanocomposite of carbon-fiber-supported NiCo-based layered double-hydroxide nanosheets decorated with (NiCo)Se2 nanoparticles for high performance energy storage

    Jia, Hong / Zhu, Xinyu / Song, Tingting / Pan, Jinping / Peng, Feng / Li, Longhua / Liu, Yu

    Journal of colloid and interface science. 2022 Feb. 15, v. 608

    2022  

    Abstract: Exploring novel structures consisting of multiple highly active components is a crucial challenge for supercapacitor applications. Using an in-situ self-templated method, we demonstrate the controlled fabrication of a fibrous hierarchical nanocomposite ... ...

    Abstract Exploring novel structures consisting of multiple highly active components is a crucial challenge for supercapacitor applications. Using an in-situ self-templated method, we demonstrate the controlled fabrication of a fibrous hierarchical nanocomposite made of carbon microfibers covered with a layer of metal–organic framework (MOF) derived from nickel-cobalt layered double-hydroxide (NiCo-LDH) nanosheets decorated with (NiCo)Se₂ nanoparticles. The (NiCo)Se₂ nanoparticles attached tightly onto the surface of the two-dimensional NiCo-LDH, both of which were generated by the decomposition of the NiCo-based MOF, and exhibited multiple active sites that contributed to improved electrical conductivity, high capacity, and structural stability. Density functional theory calculations revealed that the density of states near the Fermi level was significantly enhanced, favoured OH– adsorption, and promoted the kinetics of the electrochemical reaction. Benefiting from the intrinsic synergetic contributions from the hierarchical nanoscale structure, the electrode made from the nanocomposite delivered an impressive capacity of 1394.2 F g⁻¹ (702.7 C g⁻¹) at 1 A g⁻¹. Furthermore, a hybrid supercapacitor based on the developed nanocomposite demonstrated an energy density of 50.6 W h kg⁻¹ and a power density of 800 W kg⁻¹ with high cyclic stability. Our results suggest that the hierarchical nanocomposite can be a powerful electrode for advanced next-generation supercapacitors.
    Keywords adsorption ; carbon ; coordination polymers ; density functional theory ; electrical conductivity ; electrochemical capacitors ; electrochemistry ; electrodes ; energy ; energy density ; nanocomposites ; nanosheets
    Language English
    Dates of publication 2022-0215
    Size p. 175-185.
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 241597-5
    ISSN 1095-7103 ; 0021-9797
    ISSN (online) 1095-7103
    ISSN 0021-9797
    DOI 10.1016/j.jcis.2021.09.181
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    In stock of ZB MED Bonn / Germany

    Z 71/707: Show issues

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  8. Article: Novel CoZnNi oxyphosphide-based electrode with high hydroxyl ion adsorption capacity for ultra-high volumetric energy density asymmetric supercapacitor

    Chen, Xiumei / Liu, Yu / Yang, Qingjun / Li, Longhua / Ying, Yulong / Shi, Weidong

    Journal of colloid and interface science. 2022 Mar. 15, v. 610

    2022  

    Abstract: Achieving a high volumetric energy density supercapacitor is of great significance for portable energy storage devices while still a major challenge. Herein, we design and fabricate self-supporting electrodes using CoZnNi oxyphosphide nanoarrays ... ...

    Abstract Achieving a high volumetric energy density supercapacitor is of great significance for portable energy storage devices while still a major challenge. Herein, we design and fabricate self-supporting electrodes using CoZnNi oxyphosphide nanoarrays sandwiched graphene/carbon nanotube (CZNP/GC) film with highly exposed active sites. Benefitting from the modified electronic structures, high accessible surface areas, and the integrated structure, the well-designed CZNP/GC electrode exhibits an ultra-high volumetric capacitance of 2096.4 F cm⁻³ at a current density of 1 A g⁻¹. Moreover, a high-performance negative electrode of carbon/rGO/CNTs (C/GC) is also fabricated using the same CoZn-metal-organic frameworks precursor. The assembled asymmetric supercapacitor CZNP/GC//C/GC displays an ultra-high volumetric energy density of 71.8 W h L⁻¹ at 960 W L⁻¹. After 6000 charge-discharge cycles, the device still maintains 85.6% of the original capacitance. The density functional theory calculation is studied and the negative adsorption energy proves that the OH– adsoption process onto the surface of as-prepared electrode is thermodynamically favorable, facilitating the electrochemical reaction. This work provides a new option in constructing tailorable electrodes with a well-defined hierarchical structure for supercapacitor and beyond.
    Keywords adsorption ; capacitance ; carbon nanotubes ; density functional theory ; electrochemical capacitors ; electrochemistry ; electrodes ; energy ; energy density ; graphene ; thermodynamics
    Language English
    Dates of publication 2022-0315
    Size p. 427-437.
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 241597-5
    ISSN 1095-7103 ; 0021-9797
    ISSN (online) 1095-7103
    ISSN 0021-9797
    DOI 10.1016/j.jcis.2021.12.040
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    Full text online

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    In stock of ZB MED Bonn / Germany

    Z 71/707: Show issues

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  9. Article ; Online: Crystalline-Dependent Discharge Process of Locally Enhanced Electrooxidation Activity on Ni

    Wang, Ling / Zhao, Kun / Qi, Zhihao / Yang, Yonggang / Luo, Wei / Yang, Wenshu / Li, Longhua / Hao, Jinhui / Shi, Weidong

    Inorganic chemistry

    2023  Volume 62, Issue 5, Page(s) 2470–2479

    Abstract: The state-of-the-art transition-based electrocatalysts in alkaline media generally suffer from unavoidable surface reconstruction during oxygen evolution reaction measurements, leading to the collapse and loss of the crystalline matrix. Low potential ... ...

    Abstract The state-of-the-art transition-based electrocatalysts in alkaline media generally suffer from unavoidable surface reconstruction during oxygen evolution reaction measurements, leading to the collapse and loss of the crystalline matrix. Low potential discharge offers a gentle way for surface reconstruction and thus realizes the manipulation of the real active site. Nevertheless, the absence of a fundamental understanding focus on this discharge region renders the functional phase, either the crystalline or amorphous matrix, for the controllable reconstruction still undecidable. Herein, we report a scenario to employ different crystalline matrices as electrocatalysts for discharge region reconstruction. The representative low crystalline Ni
    Language English
    Publishing date 2023-01-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484438-2
    ISSN 1520-510X ; 0020-1669
    ISSN (online) 1520-510X
    ISSN 0020-1669
    DOI 10.1021/acs.inorgchem.2c04462
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Photochemical and electrochemical co-regulation of the BiVO

    Xu, Huimin / Xu, Dongbo / Deng, Shuang / Li, Dan / Jiang, Tianyao / Li, Longhua / Fan, Weiqiang / Lei, Yong / Shi, Weidong

    Chemical communications (Cambridge, England)

    2023  Volume 59, Issue 23, Page(s) 3435–3438

    Abstract: A novel pretreatment strategy that can regulate the amount of oxygen vacancies ( ... ...

    Abstract A novel pretreatment strategy that can regulate the amount of oxygen vacancies (O
    Language English
    Publishing date 2023-03-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d2cc07093f
    Database MEDical Literature Analysis and Retrieval System OnLINE

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