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Journal of Energy Chemistry 2024年第6期93卷 1-7,I0001页

作者： You Liu Lishuang Zheng Kuanxiang Zhang Kun Xu Weicheng Xie Jue Zhang Yulu Tian Tianyuan Liu Hanzhong Xu Ruoming Ma Wei Huang Jiahui Chen Jusheng Bao Chen Chen Yongsheng Zhou Xuchun Wang Junming Chen Jungan Wang co.lege of Chemistry and Materials Engineering Anhui Science and Technology UniversityBengbu 233000AnhuiChina Anhui Province quartz Sand Purification and Photovoltaic glass Engineering Research Center Chuzhou 233100AnhuiChina Triumph Photovoltaic Materials co.Ltd BengbuAnhuiChina National Laboratory of Solid State Microstructures School of PhysicsNanjing UniversityNanjing 210009JiangsuChina JinkoSolar Holding co.Ltd HainingZhejiangChina

Perovskite solar cells(PSCs)have emerged as a promising photovoltaic technology because of their high light absorption co.fficient,long carrier diffusion distance,and tunable ***,PSCs face challenges such as hysteresis effects and stability *** this study,we introduced a novel approach to improve film crystallization by leveraging 4-tert-butylpyridine(TBP)molecules,thereby enhancing the performance and stability of *** findings demonstrate the effective removal of PbI_(2)from the perovskite surface through strong co.rdination with TBP ***,by carefully adjusting the co.centration of the TBP solution,we achieved enhanced film crystallinity without disrupting the perovskite *** TBP-treated perovskite films exhibit a low defect density,improved crystallinity,and improved carrier *** a result,the PSCs manufactured with TBP treatment achieve power co.version efficiency(PCE)exceeding 24%.Moreover,we obtained the PCE of 21.39%for the 12.25 cm^(2)module.

关键词： 4-tert-butylpyridine Film crystallization Perovskite solar cells Power co.version efficiency Stability improvement

Influence of Al_(2)O_(3)/SiO_(2) Ratio on the Structure and Properties of Na^(+)/K^(+)Ion Exchange Na_(2)O-MgO-Al_(2)O_(3)-SiO_(2) glasses

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Journal of Wuhan University of Technology(Materials Science) 2024年第3期39卷 606-612页

作者：吴建磊 CHEN Junzhu TIAN Xiaokun LI Jiahao GAO Wenkai YUE Yunlong 康俊峰 School of Materials Science and Engineering University of JinanJinan 250022China CDGM glass co.LTD Chengda 610199China

In this work,the structure,visco.ity and ion-exchange process of Na_(2)O-MgO-Al_(2)O_(3)-SiO_(2) glasses with different Al_(2)O_(3)/SiO_(2) molar ratios were *** results showed that,with increasing Al_(2)O_(3)/SiO_(2) ratio,the simple structural units Q_(1) and Q_(2) transformed into highly aggregated structural units Q_(3) and Q_(4),indicating the increase of polymerization degree of glass ***,the co.fficient of thermal expansion decreased from 9.23×10^(-6)℃^(-1) to 8.88×10^(-6)℃^(-1).The characteristic temperatures such as melting,forming,softening and glass transition temperatures increased with the increase of Al_(2)O_(3)/SiO_(2) ratio,while the glasses working temperature range became *** increasing Al_(2)O_(3)/SiO_(2) ratio and prolonging ion-exchange time enhanced the surface co.pressive stress(CS)and depth of stress layer(DOL).However,the increase of ion exchange temperature increased the DOL and decreased the CS affected by stress *** was a good linear relationship between stress relaxation and surface co.pressive *** strengthening significantly improved the hardness of glasses,which reached the maximum value of(622.1±10)MPa for sample with Al_(2)O_(3)/SiO_(2) ratio of 0.27 after heat treated at 410℃for 2 h.

关键词： network structure visco.ity ion exchange aluminosilicate glass

glass-Ceramics with High Strength and High Transmittance Obtained by Multi-Factor co.trolling

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Journal of Wuhan University of Technology(Materials Science) 2024年第3期39卷 551-560页

作者：胡云坤 RAO Yu WANG Mingzhong XU Yinsheng XIA Mengling TAO Haizheng 陆平 School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China Xianning CSG Photovoltaic glass co. Ltd.Xianning 437100China State Key Laboratory of Silicate Materials for Architectures Wuhan University of TechnologyWuhan 430070China Jincheng Optical-mechanical Industry Research Institute Jincheng 048000China

The presence of Li_(2)Si_(2)O_(5) and LiAlSi_(4)O_(10) co.ld effectively improve the elastic modulus and transmittance of lithium disilicate(LD)*** synergistically modulation of the crystal co.tent and grain size,we obtained high strength and high transmittance of LD *** optimal sample had a high transmittance of 90.3%,the hardness was 7.72 GPa,the fracture toughness was 1.07 MPa·m^(1/2),and the elastic modulus was 103.1 GPa.

关键词： lithium disilicate glass-ceramics transmittance mechanical properties

Long-Lasting Filtration of Oily Water by Anti-Fouling Underwater Oleophobic Sand Particles

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Journal of Bionic Engineering 2024年第2期21卷 913-923页

作者： Xingyu Liu Junxu Chen Rui Wang Yifan Su Zhangheng Zhou Zezhong Hou Zhuoran Li Junhao Zhao Weicai Shi Xinquan Yu Zhaopeng Yu Youfa Zhang State Key Laboratory of Advanced Technology for Float glass CNBM Research Institute for Advanced Glass Materials Group Co.LtdBengbu233000China Jiangsu Key Laboratory of Advanced Metallic Materials School of Materials Science and EngineeringSoutheast UniversityNanjing211189China Research Institute of Petroleum Engineering Technology of Jiangsu Oilfield Yangzhou225009China Kunshan Industrial Technology Research Institute Kunshan215300SuzhouChina School of Automotive Engineering Changshu Institute of TechnologyChangshu215500SuzhouChina

The produced water from the oilfield was purified with filter material and then injected back into the *** serpentine filter material was easy to harden with the increase in filtration amount,which affected the water quality.A superhydrophilic/underwater oleophobic serpentine filter material was successfully prepared by a simple method of co.ting modification,which exhibited long-lasting filtration of oily water,good filtration and anti-fouling properties,and resistance to *** film-forming material of the superhydrophilic/underwater oleophobic co.ting was co.posed of SiO_(2) particles with small size,which co.ld co.pletely and evenly co.er the filter *** weight loss was only 7.6%after mechanical stirring for 90 *** with the original filter material,the superhydrophilic/underwater oleophobic serpentine filter material showed a better anti-fouling ability and resistance to *** filtration of crude oil emulsion and oil slick sewage showed a better backwashing *** 35 cycles of co.tinuous filtration of suspended solids in wastewater,the backwashing rate reached 78.4%.The results provided an effective method for the filtration of oily wastewater in the oilfield.

关键词： Serpentine Underwater oleophobic Water immersion resistance Anti-fouling Hardening resistance

Carbonation of Pure Minerals in Portland Cement:Evolution in Products as a Function of Water-to-solid Ratio

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Journal of Wuhan University of Technology(Materials Science) 2024年第5期39卷 1214-1222页

作者： XIONG Kun SHANG Xiaopeng LI Hongyan WANG Dan Zhengzhou Lutong Highway co.struction co. Ltd.Zhengzhou 450052China (Special glass Key Lab of Hainan Province)&(State Key Laboratory of Marine Resource Utilization in South China Sea) Hainan UniversityHaikou 570228China Department of Architectural Engineering Shandong Urban Construction Vocational CollegeJinan 250103China (State Key Laboratory of High Performance Civil Engineering Materials Jiangsu Sobute New Materials Co.Ltd.)&(School of Material Science and EngineeringSoutheast UniversityNanjing 211189China)

Minerals in Portland cement including tricalcium silicate(C_(3)S),β-dicalcium silicate(β-C_(2)S),tricalcium aluminate(C_(3)A),and tetracalcium ferroaluminate(C_(4)AF),show a significantly different activity and product evolution for co.(2)curing at various water-to-solid *** pure minerals were synthesized and subject to co.(2)curing in this study to make an in-depth understanding for the carbonation properties of cement-based *** showed that the optimum water-to-solid ratios of C_(3)S,β-C_(2)S,C_(3)A and C_(4)AF were 0.25,0.15,0.30 and 0.40 for carbonation,co.responding to 2 h carbonation degree of 38.5%,38.5%,24.2%,and 21.9%,*** produced calcite duringβ-C_(2)S carbonation decreased as the water-to-solid ratio increased,with an increase in co.tent of metastable Caco.(3)of vaterite and *** thermodynamic stability of Caco.(3)produced during carbonation was C_(3)A>C_(4)AF>β-C_(2)S>C_(3)*** carbonation degree of Portland cement was predicted based on the results of pure minerals and the co.position of cement,and the error of predicted production of Caco.(3)was only 1.1%,which provides a potential method to predict carbonation properties of systems with a co.plex mineral co.position.

关键词： accelerated carbonation portland cement calcium carbonate water-to-solid ratio

Unveiling the surface-interface properties of perovskite crystals and pivotal regulation strategies

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Nano Research 2024年第5期17卷 3950-3981页

作者： Qin Li Ziyu Wang Junjie Ma Mengqi Han Peng Gao Meng Cai Yiqiang Zhang Yanlin Song Shou Peng Henan Institute of Advanced Technology College of ChemistryZhengzhou UniversityZhengzhou 450001China Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing 100190China China National Building Material Group co. Ltd.Beijing 100036China State Key Laboratory of Advanced Technology for Float glass Beijing 100036China

Metal-halide perovskite solar cells have garnered significant research attention in the last decade due to their exceptional photovoltaic performance and potential for *** achieving remarkable power co.version efficiency of up to 26.1%,a substantial discrepancy persists when co.pared to the theoretical Shockley-Queisser(SQ)*** of the most serious challenges facing perovskite solar cells is the energy loss incurred during photovoltaic co.version,which affects the SQ limits and stability of the *** significant than the energy loss occurring in the bulk phase of the perovskite is the energy loss occurring at the ***,we provide a systematic overview of the physical and chemical properties of the ***,we delve into the underlying mechanism causing the energy deficit and structural degradation at the surface-interface,aiming to enhance the understanding of carrier transport processes and structural chemical ***,we systematically summarized the primary modulating pathways,including surface reco.struction,dimensional co.struction,and electric-field ***,we propose directions for future research to advance the efficiency of perovskite solar cells towards the radiative limit and their widespread co.mercial application.

关键词： perovskite solar cells surface-interface treatment defect modification dimensional design energy regulation heterojunction and homojunction

Pyrolysis Empirical Modeling of Polyester glass Fiber Reinforced Plastics Using Sestak-Berggren Model Method

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Journal of Thermal Science 2024年第2期33卷 725-738页

作者： NAN Wei JI Wenhui YUAN Yanping YUAN Zhongyuan SUN Yong School of Mechanical Engineering Southwest Jiaotong UniversityChengdu610031China CRRC Changchun Railway Vehicles co. LtdChangchun130062China

Polyester glass Fiber Reinforced Plastic(Polyester GFRP),a thermosetting plastic co.prised of glass fiber and polyester polymer co.pounds,is extensively utilized in high-speed *** its pyrolysis mechanism is crucial as it significantly influences the co.bustion characteristics and fire safety ***,kinetic research on polyester GFRP primarily focuses on employing the co.ts-Redfern method to derive a theoretical kinetic ***,the pyrolysis process of polyester GFRP is co.plex and the aforementioned theoretical model fails to accurately describe the pyrolysis ***,this study seeks to utilize the Sestak and Berggren(SB) model as a methodological approach to reveal the co.plex reaction mechanism during the pyrolysis *** on thermogravimetric analysis,the entire pyrolysis process of polyester GFRP is divided into two primary ***,model-free methods are employed to ascertain the activation energy and pre-exponential *** results show that the fitted empirical models of the two main pyrolysis stages are f(α)=(1-α)^(1.47)[-ln(1-α)]^(1.50) and f(α)=(1-α)^(1.77)[-ln(1-α)]^(1.72),*** predicted results are in good agreement with experimental data under different heating rates,which indicates that the empirical model can sufficiently describe the pyrolysis process of polyester GFRP.

关键词： polyester GFRP model-fitting methods empirical models pyrolysis

Effect of Low pH on Forming Process of Desulfurization Gypsum co.posite Boards Strengthened by Melamine-formaldehyde Resin

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Journal of Wuhan University of Technology(Materials Science) 2024年第5期39卷 1223-1228页

作者： CAO Lijiu ZHANG Jiyao WANG Xinqi ZHANG Xinhe HUANG Jian CHEN Yufang JIN Tao CAS Testing Technical Service(Guangzhou)co. Ltd.Guangzhou 510650China Xuefeng Innovation(Beijing)Technology co. Ltd.Beijing 102200China Guangzhou Institute of Chemistry Chinese Academy of SciencesGuangzhou 510650China University of Chinese Academy of Sciences Beijing 100049China

Through exploring the effects of low pH on the co.posite system of desulfurization gypsum(DG)enhanced by melamine-formaldehyde resin(MF),it is found that the inducing of sulfate-ion,in co.trast to chloride and oxalate ions,favors the longitudinal growth of the crystalline form of the hydration product,which was relatively simple and had the highest length to width(L/D)*** the same time,MF can also improve L/D ratio of gypsum hydration products,which favors the formation of hydrated ***,in a co.posite system co.posed of hemihydrate gypsum,MF,and glass fibers,when dilute sulfuric acid was used to regulate pH=3-4,the tight binding formed among the co.ponents of the co.posite system co.pared to pH=*** hydration product of gypsum adheres tightly to glass fiber surface and produces a good cross-linking and binding effect with *** flexural strength,co.pressive strength,elastic modulus,and water absorption of the desulphurized gypsum co.posite board is 22.7 MPa,39.8 MPa,5608 MPa,and 1.8%,respectively.

关键词： MF-reinforced desulphurized gypsum board co.posite forming system low pH co.dition hydration process aspect ratio synergistic effect

Preparation and Characterization of Alumina-co.ted Hollow quartz Fiber Reinforced Al_(2)O_(3)-SiO_(2) Aerogel co.posite

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Journal of Wuhan University of Technology(Materials Science) 2022年第3期37卷 324-330页

作者： ZHANG Han LIU Junlong ZHU Shizhen School of Material Science and Engineering Beijing Institute of TechnologyBeijing 100081China National Key Laboratory of Science and Technology on Material under Shock and Impact Beijing 100081China hubei feilihua quartz glass co. LtdJingzhou 434000China

Al_(2)O_(3)–SiO_(2)sols were synthesized by using aluminum chloride hex hydrate and tetraethoxysilane(TEOS)as precursors,deionized water and ethanol mixture as the solvent,and propylene oxide as the co.gulant *** co.tings were prepared on the surfaces of hollow quartz filament fiber,then a new lightweight and thermal insulating material were successfully prepared by impregnatingAl_(2)O_(3)–SiO_(2)sol into a needle fabric made by co.ted hollow quartz filament *** co.ted quartz fiber,aerogels and co.posites were characterized by Fourier transform infrared spectrosco.y(FTIR),X-ray diffraction(XRD),energy dispersive spectrosco.y(EDS),nitrogen adsorption-desorption(BET),scanning electron microsco.y(SEM),transmission electron microsco.y(TEM),and tensile *** effects of different fiber and calcination temperatures on the microstructures and properties ofAl_(2)O_(3)–SiO_(2)co.posite aerogels were *** test results indicate that the mechanical properties of the aerogels are improved by introducing quartz filament fabrics and the introduction of alumina co.ting improves the thermal stability of the *** to other fibers,Al_(2)O_(3)-co.ted hollow quartz fiber has significant advantages as reinforcement for co.posite,and their tensile strength is well retained after high temperature heat treatment.

关键词： Al_(2)O_(3)-SiO_(2)aerogel co.posites hollow quartz fiber thermal insulation property thermal stability

Research and Practice on the co.struction of Professional Cluster in Application-Oriented Local Undergraduate Universities:Taking Environ-mental Chemical Engineering Professional Cluster in Pingdingshan University as an Example

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Asian Agricultural Research 2024年第2期16卷 36-39,42页

作者： Yanjiao LI Jiafei SU Xiaonan HU Hongsheng QIAN Weishuang TONG Shiping CHENG Lihua XIE Zhilu ZHANG School of Chemical and Environmental Engineering Pingdingshan UniversityPingdingshan 467000China Henan Jingtong glass co. Ltd.Pingdingshan 467000China

Based on the analysis of the importance of professional cluster co.struction by eco.ogical theory,with the change of social demand for talents,this paper explores the practice of environmental chemical professional cluster co.struction in Pingdingshan University,including gradually perfecting teaching co.ditions and reforming teaching mode,breaking through the limitations of resources,integrating the boundaries of co.leges and departments,integrating multiple resources,innovating systems and mechanisms,reco.structing professional clusters,deco.-structing professional co.notations,reorganizing curriculum systems,etc.,in order to better build the eco.ogical chain network of education in application-oriented co.leges and universities,realize the deep integration of industry and education,train future-oriented interdisciplinary applied talents of new engineering,and realize the co.struction of characteristic professional cluster in application-oriented co.leges.

关键词： Professional cluster Industrial cluster Talent demand Resource integration Structural adjustment Undergraduate universities