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学者姓名：黄宝冰
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Abstract ：
Molybdenum phosphide (MoP) is recognized as one of the most promising catalysts for the hydrogen evolution reaction (HER); however the low electronic conductivity and complicated synthesis process still restrict its commercialization as a replacement for the benchmark Pt/C catalyst. Herein, a novel type of MoP nanoparticles encapsulated with biomolecule-derived N, P-codoped carbon nanosheets has been successfully fabricated by a simple one-step pyrolysis of ammonium molybdate tetrahydrate, 1-hydroxyethylidene diphosphonic acid (HEDP) and a unique biomolecule guanine as the precursor of two-dimensional carbon materials. Benefiting from the well-designed architecture with both good electronic conductivity and easily accessible catalytic sites provided by the 2D carbon structure, the optimized catalyst exhibits synergistically enhanced HER activity under both alkaline and acidic conditions, especially with a low overpotential of 104 mV to deliver 10 mA cm-2 in 1 M KOH. Moreover, the coverage of N, P-codoped graphene-like carbon layers can prevent the corrosion of MoP nanoparticles in harsh reaction media, ensuring superior durability. This work has opened up a new direction for further development of simple, low-cost but efficient novel electrocatalysts. A one-step pyrolysis strategy to synthesize novel MoP nanoparticles encapsulated with biomolecule-derived N, P-codoped carbon nanosheets for synergistic hydrogen evolution reaction.
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| GB/T 7714 | Peng, Yixin , Liu, Qianyi , Huang, Baobing . Molybdenum phosphide nanoparticles encapsulated with biomolecule-derived N, P-codoped carbon nanosheets for the synergistic hydrogen evolution reaction [J]. | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (15) : 6590-6598 . |
| MLA | Peng, Yixin 等. "Molybdenum phosphide nanoparticles encapsulated with biomolecule-derived N, P-codoped carbon nanosheets for the synergistic hydrogen evolution reaction" . | NEW JOURNAL OF CHEMISTRY 48 . 15 (2024) : 6590-6598 . |
| APA | Peng, Yixin , Liu, Qianyi , Huang, Baobing . Molybdenum phosphide nanoparticles encapsulated with biomolecule-derived N, P-codoped carbon nanosheets for the synergistic hydrogen evolution reaction . | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (15) , 6590-6598 . |
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Iron-nitrogen-carbon (Fe-N-C) catalyst has emerged as highly promising contender for oxygen reduction reaction (ORR), yet challenges such as limited active site accessibility and intricate synthesis procedures impede their commercialization as a replacement for the benchmark Pt/C catalyst. Herein, we present an innovative approach to in situ fabricate a unique iron and nitrogen co-doped 3D porous carbon material. The material is synthesized through a straightforward one-step pyrolysis of xanthine, oxidized carbon nanotubes and iron nitrate nonahydrate mixture. During the high temperature pyrolysis, the nucleobase xanthine undergoes gradually transformation into an efficient N-doped graphene-like material. Simultaneously, it assembles with carbon nanotubes (CNTs), resulting in the formation of a unique 3D graphene-CNTs composite structure composed of graphene and CNTs. This exceptional 3D porous structure serves as an excellent scaffold, ensuring firm anchoring, uniform dispersion, and optimal exposure of numerous FeNx active sites. Leveraging this well-engineered framework, the optimized Fe-N-C catalyst (NC/CNT/Fe0.04) shows excellent ORR performance with an onset potential of 1.03 V vs. RHE, a half-wave potential of 0.87 V vs. RHE, and a diffusion-limited current density of −5.59 mA cm−2, even better than those of the commercial Pt/C catalyst. This work provides valuable insights into the design of efficient electrocatalysts with 3D channel. © 2024 Elsevier Ltd
Keyword ：
Carbon nanotubes Carbon nanotubes Catalyst activity Catalyst activity Doping (additives) Doping (additives) Electrocatalysts Electrocatalysts Electrolytic reduction Electrolytic reduction Graphene Graphene Iron compounds Iron compounds Nitrogen Nitrogen Oxygen Oxygen Porous materials Porous materials Pyrolysis Pyrolysis Scaffolds Scaffolds
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| GB/T 7714 | Huang, Baobing , Liu, Qianyi , Li, Yaxiang et al. Xanthine-derived 3D porous iron–nitrogen-carbon catalysts for enhanced oxygen reduction reaction [J]. | Fuel , 2024 , 371 . |
| MLA | Huang, Baobing et al. "Xanthine-derived 3D porous iron–nitrogen-carbon catalysts for enhanced oxygen reduction reaction" . | Fuel 371 (2024) . |
| APA | Huang, Baobing , Liu, Qianyi , Li, Yaxiang , Peng, Yixin , Xie, Zailai . Xanthine-derived 3D porous iron–nitrogen-carbon catalysts for enhanced oxygen reduction reaction . | Fuel , 2024 , 371 . |
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As a sort of fluorescent carbon nanomaterial with a particle size of less than 10 nm, carbon dots (CDs) have their own merits of good dispersibility in water, stable optical properties, strong chemical inertness, stable optical properties, and good biosecurity. These excellent peculiarities facilitated them like sensing, imaging, medicine, catalysis, and optoelectronics, making them a new star in the field of nanotechnology. In particular, the development of CDs in the fields of chemical probes, imaging, cancer therapy, antibacterial and drug delivery has become a hot topic in current research. Although the biomedical applications in CDs have been demonstrated in many research articles, a systematic summary of their role in biomedical applications is scarce. In this review, we introduced the basic information of CDs in detail, including synthesis approaches of CDs as well as their favorable properties including photoluminescence and low cytotoxicity. Subsequently, the application of CDs in the field of biomedicine was emphasized. Finally, the main challenges and research prospects of CDs in this field were proposed, which might provide some detailed information in designing new CDs in this promising biomedical field. © 2023
Keyword ：
Bioimaging Bioimaging Cancer therapy Cancer therapy Carbon dots Carbon dots Chemical probe Chemical probe Drug delivery Drug delivery
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| GB/T 7714 | Xu, J. , Huang, B.-B. , Lai, C.-M. et al. Advancements in the synthesis of carbon dots and their application in biomedicine [未知]. |
| MLA | Xu, J. et al. "Advancements in the synthesis of carbon dots and their application in biomedicine" [未知]. |
| APA | Xu, J. , Huang, B.-B. , Lai, C.-M. , Lu, Y.-S. , Shao, J.-W. . Advancements in the synthesis of carbon dots and their application in biomedicine [未知]. |
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Maximization the synergistic effect of each component in transition metal-carbon complexes is expected to improve the bifunctional oxygen electrocatalysis for rechargeable Zn-air batteries but is still challenging. Herein, nucleobase guanine is employed as a supramolecular precursor to generate the core (FeCo alloy)-shell (carbon) structure embedded in ultrathin graphene-like nitrogen-doped carbon nanosheets (FeCo@NCNSs) via a confinement pyrolysis strategy. Thanks to the generated core-shell structure and bimetallic synergistic effect, the as-prepared FeCo@NCNSs exhibits excellent electrochemical performance in both oxygen reduction reaction and oxygen evolution reaction. As a result, when served as the bifunctional air electrode for a practical Zn-air battery, FeCo@NCNSs exhibits a higher open-circuit voltage (1.553 V) and peak power density (197.30 mW cm-2), as well as the greatly improved long-term cyclic stability compared to the noble metal benchmarks. This work provides a promising approach to integrate various active sites for bifunctional oxygen electrocatalysis and inspires the exploration of simple but efficient electrocatalysts for energy storage and conversion.
Keyword ：
Bifunctional oxygen electrocatalysis Bifunctional oxygen electrocatalysis Core-shell structure Core-shell structure FeCo alloy FeCo alloy Guanine Guanine Rechargeable Zn-air batteries Rechargeable Zn-air batteries
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| GB/T 7714 | Lin, Xin , Cui, Longji , Ding, Xueda et al. Guanine-derived core-shell FeCo alloy confined in graphene-like N-doped carbon as efficient bifunctional oxygen electrocatalysts for rechargeable Zn-air batteries [J]. | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 998 . |
| MLA | Lin, Xin et al. "Guanine-derived core-shell FeCo alloy confined in graphene-like N-doped carbon as efficient bifunctional oxygen electrocatalysts for rechargeable Zn-air batteries" . | JOURNAL OF ALLOYS AND COMPOUNDS 998 (2024) . |
| APA | Lin, Xin , Cui, Longji , Ding, Xueda , Chen, Yiquan , Wei, Qiaohua , Huang, Baobing et al. Guanine-derived core-shell FeCo alloy confined in graphene-like N-doped carbon as efficient bifunctional oxygen electrocatalysts for rechargeable Zn-air batteries . | JOURNAL OF ALLOYS AND COMPOUNDS , 2024 , 998 . |
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Biomass derived small molecules are sustainable feedstocks to synthesize high value-added products. Herein, we demonstrate a facile one-pot hydrothermal method to fabricate a molybdenum sulfide modified nickel-based catalyst for the electrochemical oxidation of HMF to 2,5-furandicarboxylic acid (FDCA). The as-synthesized catalyst shows a unique nano-flower-like microstructure with features of a large surface area, excellent conductivity and high-valence Mo species. Electrochemical tests indicate that the onset potential increases to 1.27 V after the addition of HMF, which is much lower than that of water oxidation. This change suggests that the oxidation of HMF occurs before the slow kinetic oxygen evolution reaction (OER), potentially acting as an alternative to the OER cathodic reaction to drive hydrogen evolution and CO2 reduction. Moreover, the reaction achieves 100% conversion and 99% selectivity, which is because molybdenum sulfide accelerates the in situ oxidation of Ni2+ to NiOOH and Ni3+. This study provides a new pathway for the conversion of HMF into FDCA, a promising substitute for the petroleum derivative terephthalic acid.
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| GB/T 7714 | Li, Zijia , Han, Yingyi , Huang, Baobing et al. Electrochemical oxidation of 5-hydroxymethylfurfural over a molybdenum sulfide modified nickel-based catalyst [J]. | MATERIALS ADVANCES , 2023 , 4 (11) : 2449-2456 . |
| MLA | Li, Zijia et al. "Electrochemical oxidation of 5-hydroxymethylfurfural over a molybdenum sulfide modified nickel-based catalyst" . | MATERIALS ADVANCES 4 . 11 (2023) : 2449-2456 . |
| APA | Li, Zijia , Han, Yingyi , Huang, Baobing , Xie, Zailai , Wei, Qiao-Hua . Electrochemical oxidation of 5-hydroxymethylfurfural over a molybdenum sulfide modified nickel-based catalyst . | MATERIALS ADVANCES , 2023 , 4 (11) , 2449-2456 . |
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Natural nitrogen-heterocycles biomolecules have been widely used in the construction of supramolecular selfassemblies due to their abundant resources and multiple interaction sites, such as hydrogen bonding, pi-pi stacking, van der Waals forces. Herein, we propose a quite innovative strategy to produce two-dimensional (2D) carbon materials by direct pyrolysis of various nucleobases (e.g. guanine, adenine, uracil, cytosine xanthine, and hypoxanthine). These nucleobases can pre-organize a planar network structure through hydrogen bonding interaction. The multiple hydrogen-bonding can be stable at relatively high temperature, which limits C-C or C-N cleavage and formation in a 2D space. These 2D carbons show desirable features with highly sp2-conjugation, tunable heteroatom contents, and ultrathin thickness, without the need of any template or additional purification. Meanwhile, differences in internal structure allow easy control of the morphology of 2D carbons, porosity and surface chemical functionality at the molecular level. Moreover, the as-synthesized 2D carbons display very promising electrocatalytic ORR performance and catalytic performance for selective oxidization of ethylbenzene. Given the diversity in the structure of the nucleobase moiety, they represent ideal building blocks for the catalyst-free and metal-free formation of 2D carbon architectures.
Keyword ：
Electrocatalysis Electrocatalysis Heterogeneous catalysis Heterogeneous catalysis Nitrogen dopant Nitrogen dopant Nucleobase Nucleobase Two-dimensional carbon materials Two-dimensional carbon materials
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| GB/T 7714 | Huang, Baobing , Li, Yaxiang , Guan, Xu et al. Nucleobases-derived carbon materials: Synthesis and application in heterogeneous catalysis [J]. | FLATCHEM , 2022 , 35 . |
| MLA | Huang, Baobing et al. "Nucleobases-derived carbon materials: Synthesis and application in heterogeneous catalysis" . | FLATCHEM 35 (2022) . |
| APA | Huang, Baobing , Li, Yaxiang , Guan, Xu , Xie, Zailai . Nucleobases-derived carbon materials: Synthesis and application in heterogeneous catalysis . | FLATCHEM , 2022 , 35 . |
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Two-dimensional (2D) carbon materials with ultrathin thickness, large lateral size, large surface area, accessible active sites and unique physical-chemical properties have been proven to be attractive electrode materials or catalysts for high-efficient energy storage and conversion materials. However, the conventional synthesis method for 2D carbon materials heavily depends on fossil-based feedstocks and goes through harsh conditions (e.g., chemical vapor deposition), which are unsustainable and costly. Besides, the top-down method needs to use massive strong acids/oxidants, which is environmentally-unfriendly. Therefore, it is necessary to commit to seek green, sustainable and cost-effective approach for the synthesis of 2D carbon materials. As of now, biomass or biological molecules as carbon-rich resources have been viewed as a promising candidate for the 2D carbon material preparation owing to its abundance, renewability, nontoxicity and low-cost. Especially for nucleobases, as an emerging molecule have been shown great advantages for the construction of 2D materials guided by its multiple hydrogen-bonding interaction. Recently, our group have proposed a rather innovative strategy to produce 2D carbon materials by carbonization of nucleobases which has relatively high electrode potentials. These nucleobases can form planar network structure through hydrogen bonding interaction. Such hydrogenbonding can be stable at relatively high temperature, which confines C-C or C-N polymerization in a 2D plane. As a result, direct carbonization of nucleobases enables the formation of 2D carbon with highly sp2-conjugated and feature of heteroatom doping. This review systematically summarizes the recent development of the strategies to synthesize 2D sustainable carbon materials from biomass and biological molecules. The corresponding electrochemical applications such as lithium ion batteries, supercapacitors and fuel cell are selectively presented. At the end, the summary and future perspectives in this important field are provided to inspire further exploration. (C) 2020 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
Keyword ：
Biomass Biomass Heteroatom-doping Heteroatom-doping Nucleobase Nucleobase Sustainability Sustainability Template-free Template-free Two-dimensional carbon Two-dimensional carbon
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| GB/T 7714 | Huang, Baobing , Liu, Yuchuan , Xie, Zailai . Two dimensional nanocarbons from biomass and biological molecules: Synthetic strategies and energy related applications [J]. | JOURNAL OF ENERGY CHEMISTRY , 2021 , 54 : 795-814 . |
| MLA | Huang, Baobing et al. "Two dimensional nanocarbons from biomass and biological molecules: Synthetic strategies and energy related applications" . | JOURNAL OF ENERGY CHEMISTRY 54 (2021) : 795-814 . |
| APA | Huang, Baobing , Liu, Yuchuan , Xie, Zailai . Two dimensional nanocarbons from biomass and biological molecules: Synthetic strategies and energy related applications . | JOURNAL OF ENERGY CHEMISTRY , 2021 , 54 , 795-814 . |
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Electrochemical water splitting to produce hydrogen is a key technology for converting sustainable energy into chemical fuels. The high overpotential and sluggish kinetics for the electrocatalytic hydrogen evolution reaction (HER) lead to low energy conversion efficiency. Herein, we report a new electrocatalyst of RuCu supported on guanine-derived carbon nanosheets for highly efficient HER, in which the trace Cu of 0.1 wt% loadings can significantly boost the electrocatalytic activity during the whole pH range. Specifically, the 0.5Ru0.1Cu-GN1000 can release a current density of 10 mA/cm(2) at 68 mV and 157 mV in 1.0 M KOH and 0.5 MH2SO4, respectively. This catalyst still delivers a high HER activity even in the actual seawater. The improvement of HER activity can be ascribed to the strong interaction between Ru and Cu, resulting in the formation of an electron-rich state of Ru nanoparticles at the surface for series of HER at low overpotential. This research has opened up a promising pathway towards electrocatalytic water splitting through the innovation of carbon support and the modulation of metal interactions.
Keyword ：
Carbon nanosheets Carbon nanosheets Metal interaction Metal interaction RuCu RuCu Water splitting Water splitting
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| GB/T 7714 | Liu, Yuchuan , Huang, Haitao , Ding, Xueda et al. Boosting the HER electrocatalytic activity over RuCu-supported carbon nanosheets as efficient pH-independent catalysts [J]. | FLATCHEM , 2021 , 30 . |
| MLA | Liu, Yuchuan et al. "Boosting the HER electrocatalytic activity over RuCu-supported carbon nanosheets as efficient pH-independent catalysts" . | FLATCHEM 30 (2021) . |
| APA | Liu, Yuchuan , Huang, Haitao , Ding, Xueda , Huang, Baobing , Xie, Zailai . Boosting the HER electrocatalytic activity over RuCu-supported carbon nanosheets as efficient pH-independent catalysts . | FLATCHEM , 2021 , 30 . |
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Presented here is a facile, sustainable and green method for the synthesis of N-doped carbon microspheres/nanosheets via hydrothermal carbonization (HTC) of the selected bioprecursor guanosine. The morphology of such carbons presents a hierarchical microstructure consisting of carbon microspheres and carbon nanosheets with a relatively disordered but mainly sp(2) hybridized graphitic structure. Control experiments indicate that the formation of carbon microspheres was mainly related to the HTC process of the ribose component in guanosine, while the carbon nanosheets likely originated because of the self-templating effect of the guanine component in guanosine. This kind of HTC product (Go-HTC-1000) properly compensates for the disadvantages of the ribose-based counterpart (such as a monotonously microporous structure and non-nitrogen doped nature) and the guanine-based counterpart (such as a low specific surface area and low HTC carbon yield), leading to the formation of a completely new carbon with in situ high-level nitrogen doping, moderately defective structure and developed hierarchically porous texture. Owing to such unique morphological and structural features, it is expected to be superior in several catalytic reactions. When representatively used as an electrocatalyst for the oxygen reduction reaction (ORR), it exhibits superior performance with a very positive half-wave potential of 0.850 V (vs. RHE) comparable to that of the Pt/C catalyst (0.855 V) and excellent stability. When serving as an electrode material for vanadium redox reflow batteries (VRFBs), it shows significantly improved performances in both positive and negative reactions compared to pristine graphite felt (GF), performing well at various current densities ranging from 100 mA cm(-2) to 500 mA cm(-2) and achieving high energy efficiency and good rate performance. The work is believed to inspire a new perspective for the facile but efficient fabrication of novel carbon-based materials with high added values.
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| GB/T 7714 | Huang, Baobing , Liu, Yuchuan , Xia, Miao et al. Building microsphere-nanosheet structures in N-doped carbon to improve its performance in the oxygen reduction reaction and vanadium redox flow batteries [J]. | SUSTAINABLE ENERGY & FUELS , 2020 , 4 (2) : 559-570 . |
| MLA | Huang, Baobing et al. "Building microsphere-nanosheet structures in N-doped carbon to improve its performance in the oxygen reduction reaction and vanadium redox flow batteries" . | SUSTAINABLE ENERGY & FUELS 4 . 2 (2020) : 559-570 . |
| APA | Huang, Baobing , Liu, Yuchuan , Xia, Miao , Qiu, Jiugen , Xie, Zailai . Building microsphere-nanosheet structures in N-doped carbon to improve its performance in the oxygen reduction reaction and vanadium redox flow batteries . | SUSTAINABLE ENERGY & FUELS , 2020 , 4 (2) , 559-570 . |
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Oxygen electrocatalysis, especially oxygen evolution reaction (OER), is a central process during the actual application of rechargeable metal-air battery. It is still challenging to develop ideal electrocatalysts to substitute the commercial noble metal-based materials. In this work, we have constructed a new material, CoP nanoparticles, which are encapsulated by a biomolecule-derived N, P-codoped carbon nanosheets via a simple and facile one-step strategy. The as-prepared material releases a high electrocatalytic activity and stability for OER, with an overpotential of 310 mV to achieve 10 mA/cm(2) in 1 M KOH. Importantly, we found that the phosphoric acid can not only introduce phosphorus dopant into 2D N-doped carbon nanosheets and play a role of pore-forming agent, but also participate in the formation of active center (cobalt phosphide). Moreover, the coverage of N, P-doped carbon can prevent the CoP nanoparticles from corrosion under the harsh reaction medium to achieve high and stable activity. We believe that our strategy can offer a novel pathway to synthesize new transition metal-based catalysts for electrocatalysis or other heterogeneous catalysis.
Keyword ：
biomolecule biomolecule carbon nanosheets carbon nanosheets CoP CoP OER OER one-step strategy one-step strategy
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| GB/T 7714 | Liu, Yuchuan , Guan, Xu , Huang, Baobing et al. One-Step Synthesis of N, P-Codoped Carbon Nanosheets Encapsulated CoP Particles for Highly Efficient Oxygen Evolution Reaction [J]. | FRONTIERS IN CHEMISTRY , 2020 , 7 . |
| MLA | Liu, Yuchuan et al. "One-Step Synthesis of N, P-Codoped Carbon Nanosheets Encapsulated CoP Particles for Highly Efficient Oxygen Evolution Reaction" . | FRONTIERS IN CHEMISTRY 7 (2020) . |
| APA | Liu, Yuchuan , Guan, Xu , Huang, Baobing , Wei, Qiaohua , Xie, Zailai . One-Step Synthesis of N, P-Codoped Carbon Nanosheets Encapsulated CoP Particles for Highly Efficient Oxygen Evolution Reaction . | FRONTIERS IN CHEMISTRY , 2020 , 7 . |
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