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Solar fuel generation over nature-inspired recyclable TiO_(2)/g-C_(3)N_(4)S-scheme hierarchical thin-film photocatalyst

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Journal of materials Science & technology 2022年第17期112卷 1-10页

作者： Libo Wang Xingang Fei Liuyang Zhang Jiaguo Yu Bei Cheng Yuhua Ma State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Laboratory of Solar Fuel Faculty of Materials Science and ChemistryChina University of Geosciences388 Lumo RoadWuhan 430074China College of Chemistry and Chemical Engineering Xinjiang Normal UniversityUrumqi 830054China

Preparation of efficient photocatalysts with ease of recovery in solar fuel generation is highly desired to achieve carbon neutralization in carbon dioxide(CO_(2))*** from the forest with superior light penetration and fast gas transport,a TiO_(2)/g-C_(3)N_(4)composite nanowire arrays(NAs)film with maximized light utilization is *** is achieved by in-situ coating a thin layer of g-C_(3)N_(4)(as the leaf)on the vertically-oriented TiO_(2)arrays(as tree trunks)on Ti foil(as soil).Benefiting from the effective charge separation by S-scheme charge transfer,intimate contact by the in-situ growth as well as the ingenious structure,the composite,readily recyclable,displays exciting performance in photocatalytic CO_(2)*** is beyond doubt that the combination of heterojunction construction and“nature-inspired biomimetic photocatalyst”design promises practical applications and industrial use.

关键词： Carbon neutralization Solar fuels Intimate interfacial contact S-scheme heterojunction Biomimetic photocatalyst

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Bioactive calcium and mangnesium phosphate bone adhesive for enhanced vascularization and bone regeneration

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Journal of materials Science & technology 2023年第33期164卷 246-257页

作者： Jiawei Liu Honglei Kang Wenying Wei Rong Tu Takashi Goto Feng Li Honglian Dai State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Biomedical Materials and Engineering Research Center of Hubei ProvinceWuhan University of TechnologyWuhan 430070China Department of Orthopedics Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000China New Industry Creation Hatchery Center Tohoku UniversitySendai 980-8579Japan

Bone adhesive is a promising material for the treatment of bone fractures,which is helpful for the fast and effective reduction and fixation of broken ***,the existing adhesives bond weakly to bone tissues,and are non-absorbable,or hard to cure under wet ***,inspired by the cement-based adhesive used in the industry field,we report a bioactive calcium and magnesium phosphate bone adhesive(MPBA)with the properties of facile preparation,robust adhesion,and *** is equipped with similar strength to cancellous bones and shows reliable bonding performance for various interfaces,such as Ti6Al4V,Al2O3,and poly(ether-ether-ketone).MPBA achieves excellent bonding ability for the above interfaces with the bonding strengths of 2.28±0.47,2.32±0.15,and 1.44±0.38 MPa,***,it also shows reliable fixation ability for bovine bone *** bonding behavior to materials and bones suggests that MPBA could be used for both fracture treatment and implant ***,MPBA possesses good biological activity,which could promote the vascularization process and osteogenic ***,in vivo experiments confirmed MPBA can effectively restore bone strength and promote bone regeneration.

关键词： Fracture Calcium magnesium phosphate cement Bone adhesives

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Review on incorporation of alkali elements and their effects in Cu(In,Ga)Se_(2)solar cells

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Journal of materials Science & technology 2022年第1期96卷 179-189页

作者： Yazi Wang Shasha Lv Zhengcao Li State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Key Laboratory of Radiation Beam Technology and Material Modification(MOE) College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China Key Laboratory of Advanced Materials(MOE) School of Materials Science and EngineeringTsinghua UniversityBeijing 100084Chinaa

Cu(In,Ga)Se_(2)(CIGS)is a promising candidate to replace crystalline silicon solar cells and dominate the photovoltaic market in the *** elements such as sodium(Na),potassium(K),rubidium(Rb),and Cesium(Cs)are commonly accepted as indispensable parts to boost cell efficiencies of CIGS thin-film solar ***,a comprehensive understanding of alkali effects on the electronic and chemical properties of the CIGS layer as well as the underlying mechanisms is of paramount importance for achieving high-performance solar *** paper reviews the development process and incorporation pathways of alkalis and then overviews the roles of different alkali elements and their effects on CIGS cells in ***,the unsolved problems and future development prospects are also ***,the understanding and development of widely adopted alkali-fluoride post-deposition treatments(PDTs)are still underway,and together with newly updated research,it will likely enable the CIGS technology to make the conversion efficiency closer to its theoretical limit.

关键词： Cu(In,Ga)Se_(2)(CIGS) Solar cells Post-deposition treatment(PDT) Alkali effects

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synthesis of highly sinterable MgO powders for IR transparent ceramics

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Ceramics International 2025年

作者： Zhi, Yongli Mei, Bingchu Li, Weiwei Cheng, Jing Luo, Peng State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China Jianghuai Advance Technology Center Hefei230000 China

MgO transparent ceramics (TCS) have attracted great interests in the field of infrared window materials due to its wide transmission range, excellent thermal conductivity, and balanced mechanical properties. To date, research on MgO transparent ceramics predominantly relies on commercial MgO powders by spark plasma sintering (SPS). Herein, we report highly sinterable MgO powders synthesized by co-precipitation method, which exhibits pure phase and particle size of 75 nm. When sintered at 950 °C under 45 MPa for 2 h by hot pressed (HP) method, the transmittance of the MgO ceramic sample with the thickness of 2 mm achieved 76.9 % at 0.4 μm and 88.3 % at 5 μm. These optical properties are comparable to or even superior to MgO TCS produced through SPS method. This work shows that the MgO particles synthesized via the co-precipitation method are suitable for producing high optical quality of MgO infrared (IR) transparent ceramics. © 2025

关键词： Thermal conductivity

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Interdisciplinary exploration between magnetism and thermoelectricity

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Science Bulletin 2022年第9期67卷 891-894,M0003页

作者： Cuncheng Li Wenyu Zhao Qingjie Zhang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China

Thermoelectrics have important applications in power generation and refrigeration through the direct energy conversion between heat and *** performance of thermoelectric(TE)materials can be qualified by dimensionless figure of merit ZT=σa2/κ,whereσ,a andκare the electrical conductivity,Seebeck coefficient and thermal conductivity,respectively.

关键词： conductivity Seebeck electrical

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Minimizing tin(Ⅱ) oxidation using ethylhydrazine oxalate for high-performance all-perovskite tandem solar cells

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Journal of Semiconductors 2025年第5期46卷 88-94页

作者： Jianhua Zhang Xufeng Liao Weisheng Li Yutian Tian Qinyang Huang Yitong Ji Guotang Hu Qingguo Du Wenchao Huang Donghoe Kim Yi-Bing Cheng Jinhui Tong State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China School of Art and Design Wuhan University of TechnologyWuhan 430070China School of Information Engineering Wuhan University of TechnologyWuhan 430070China Department of Materials Science and Engineering Korea UniversitySeoul 02841Korea Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Foshan 528200China

All-perovskite tandem solar cells(ATSCs) have the potential to surpass the Shockley-Queisser efficiency limit of conventional single-junction devices. However, the performance and stability of mixed tin–lead(Sn–Pb) perovskite solar cells(PSCs), which are crucial components of ATSCs, are much lower than those of lead-based perovskites. The primary challenges include the high crystallization rate of perovskite materials and the susceptibility of Sn^(2+) oxidation, which leads to rough morphology and unfavorable p-type self-doping. To address these issues, we introduced ethylhydrazine oxalate(EDO) at the perovskite interface, which effectively inhibits the oxidation of Sn^(2+) and simultaneously enhances the crystallinity of the perovskite. Consequently, the EDO-modified mixed tin-lead PSCs reached a power conversion efficiency(PCE) of 21.96% with high reproducibility. We further achieved a 27.58% efficient ATSCs by using EDO as interfacial passivator in the Sn-Pb PSCs.

关键词： mixed tin–lead perovskite solar cells ethylhydrazine oxalate Sn^(2+)oxidation all-perovskite tandem solar cells

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Enhancing thermal stability and photoluminescence of red-emitting Sr_(2)Si_(5)N_(8):Eu phosphors via boron doping

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Journal of materials Science & technology 2021年第35期94卷 130-135页

作者： Hailong Yuan Zhifeng Huang Jianwen Zhang Ziqian Yin Xiangyu Lu Fei Chen Qiang Shen State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Department of Materials Science and Engineering Monash UniversityMelbourneVIC 3800Australia

Surface passivation is a common method to improve the resistance of thermal degradation of nitride ***,such a surface passivation generally needs extra processes and decreases the photoluminescence property of the *** this work,both the thermal stability and photoluminescence property of a red phosphor Sr_(2)Si_(5)N_(8):Eu are improved through the addition of *** influence of B on the crystal structure and the valence state of active ions was analyzed by experimental ***-principles calculations were applied to analyze the formation energy of N vacancies,which influence the resistance of thermal ***,combining with experimental characterization and calculations,the enhancing mechanism of thermal stability and photoluminescence by B was studied.

关键词： Nitride phosphors Thermal degradation Red-emitting First-principles calculations Photoluminescence

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微束等离子体重熔Mg-12Dy-1.1Ni合金的显微组织和腐蚀性能

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Journal of Central South University 2023年第1期30卷 20-34页

作者：姜静陈思琦顾家睿毕广利黄健康李元东陈体军马颖 State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals(Lanzhou University of Technology) Lanzhou 730050China School of Material Science and Engineering Lanzhou University of TechnologyLanzhou 730050China

本文研究了微束等离子体重熔(MPRMed)Mg-12Dy-1.1Ni (wt%)合金的显微组织和腐蚀性能。铸态合金主要由α-Mg相、具有18R-LPSO结构的片层状Mg12DyNi相和Mg24Dy5相组成。经微束等离子体重熔后,铸态合金的晶粒尺寸显著细化至11μm,18R-LPSO... 详细信息

本文研究了微束等离子体重熔(MPRMed)Mg-12Dy-1.1Ni (wt%)合金的显微组织和腐蚀性能。铸态合金主要由α-Mg相、具有18R-LPSO结构的片层状Mg12DyNi相和Mg24Dy5相组成。经微束等离子体重熔后,铸态合金的晶粒尺寸显著细化至11μm,18R-LPSO相体积分数由18.3%增加至26.0%,并呈连续网状分布。电化学和浸泡实验结果表明,在0.1 mol/L NaCl溶液中,MPRMed合金的失重速率(0.31 g/(cm2·d))和腐蚀电流密度(605.3μA/cm2)均低于铸态合金,其中腐蚀电流密度较铸态合金减少了38.5%。该MPRMed合金优异的耐腐蚀性能主要源自于其均匀的显微组织、致密的腐蚀产物和连续分布的18R-LPSO相。

关键词： Mg-Dy-Ni合金微束等离子重熔显微组织 LPSO相腐蚀性能

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Swarming Responsive Photonic Nanorobots for Motile-Targeting Microenvironmental Mapping and Mapping-Guided Photothermal Treatment

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Nano-Micro Letters 2023年第9期15卷 205-223页

作者： Luolin Li Zheng Yu Jianfeng Liu Manyi Yang Gongpu Shi Ziqi Feng Wei Luo Huiru Ma Jianguo Guan Fangzhi Mou State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People’s Republic of China School of Materials and Microelectronics Wuhan University of TechnologyWuhan 430070People’s Republic of China School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070People’s Republic of China School of Chemistry Chemical Engineering and Life ScienceWuhan University of TechnologyWuhan 430070People’s Republic of China

Micro/nanorobots can propel and navigate in many hard-to-reach biological environments,and thus may bring revolutionary changes to biomedical research and ***,current MNRs lack the capability to collectively perceive and report physicochemical changes in unknown *** we propose to develop swarming responsive photonic nanorobots that can map local physicochemical conditions on the fly and further guide localized photothermal *** RPNRs consist of a photonic nanochain of periodically-assembled magnetic Fe_(3)O_(4)nanoparticles encapsulated in a responsive hydrogel shell,and show multiple integrated functions,including energetic magnetically-driven swarming motions,bright stimuli-responsive structural colors,and photothermal ***,they can actively navigate in complex environments utilizing their controllable swarming motions,then visualize unknown targets(e.g.,tumor lesion)by collectively mapping out local abnormal physicochemical conditions(e.g.,pH,temperature,or glucose concentra-tion)via their responsive structural colors,and further guide external light irradiation to initiate localized photothermal *** work facilitates the development of intelligent motile nanosensors and versatile multifunctional nanotheranostics for cancer and inflam-matory diseases.

关键词： Micro/nanorobots Collective behaviors Responsive photonic crystals On-the-fly sensing Photothermal therapy

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Mobile energy storage technologies for boosting carbon neutrality

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The Innovation 2023年第6期4卷 132-151页

作者： Chenyang Zhang Ying Yang Xuan Liu Minglei Mao Kanghua Li Qing Li Guangzu Zhang Chengliang Wang School of Integrated Circuits Wuhan National Laboratory for Optoelectronics(WNL 0)Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Wenzhou Advanced Manufacturing Institute Huazhong University of Science and TechnologyWenzhou 325035China

Carbon neutrality calls for renewable energies,and the efficient use of renewable energies requires energy storage mediums that enable the storage of excess energy and reuse after spatiotemporal *** with traditional energy storage technologies,mobile energy storage technologies have the merits of low cost and high energy conversion efficiency,can be flexibly located,and cover a largerange from miniature to large systems and from high energy density to high power density,although most of them still face challenges or technical *** this review,we provide an overview of the opportunities and challenges of these emerging energy storagetechnologies(induding rechargeable batteries,fuel cells,and electrochemical and dielectric capacitors).Innovative materials,strategies,and technologies are ***,the future directions are *** hope this review will advance the development of mobile energy storage technologies and boost carbon neutrality.

关键词： neutral boosting energy

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