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Journ.l of En.rgy Chemistry 2024年第5期92卷 233-239页

作者： Chon.chon. Liu Peifan. Wan. Bin.Hu Xiaoli Liu Ron. Huan. Gan. zhou Key Laboratory of In.egrated Regulation.an. Resource Developmen. on.Shallow Lake of Min.stry of Education College of EnvironmentHohai UniversityNanjing 210098JiangsuChina

Urea oxidation.reaction.UOR)is proposed as an.exemplary half-reaction.in.ren.wable en.rgy application. because of its low thermodyn.mical ***,challen.es persist due to sluggish reaction.kin.tics an. complex by-products *** this en.,we in.roduce the lattice oxygen.oxidation.mechan.sm(LOM),propellin. a n.vel UOR route usin. a modified CoFe layered double hydroxide(LDH)catalyst termed *** calculation. an. in.situ characterization. highlight the activated lattice oxygen.O_(L))within.CFRO-7 as pivotal sites for UOR,optimizin. the reaction.pathway an. acceleratin. the *** the urea overall electrolysis application.the LOM route on.y requires a low voltage of 1.54 V to offer a high curren. of 100 mA cm^(-2) for lon.-term utilization.>48 h).Importan.ly,the by-product n.O^(-)−is sign.fican.ly suppressed,while the CO_(2)2/n.(2) separation.is efficien.ly *** work proposed a pion.erin. paradigm,in.okin. the LOM pathway in.urea electrolysis to expedite reaction.dyn.mics an. en.an.e product selectivity.

关键词： Lattice oxygen Urea oxidation.reaction Overall electrolysis Products selectivity

Mechan.cal Properties an. Electron.c Structures of M(M=Ti,V,Cr,Mn.an. Fe)Dopedβ-Si_(3)n.(4) from First-Prin.iple

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Journ.l of Wuhan.Un.versity of Techn.logy(Materials Scien.e) 2024年第3期39卷 639-644页

作者：龙敏黄福祥 XU Lian.yu LI Xuemei YAn. zhou LEn. Yue MEI Shin. School of Materials Scien.e an. En.in.erin. Chongqing University of TechnologyChongqing 400054China

The structures,mechan.cal properties an. electron.c structures of M metals(M=Ti,V,Cr,Mn.an. Fe)dopedβ-Si_(3)n.(4) were in.estigated by First-prin.iples calculation. within.*** calculated lattice parameters ofβ-Si_(3)n.(4) were con.isten. with previous *** cohesive en.rgy an. formation.en.halpy show that in.tialβ-Si_(3)n.(4) has the highest structural *** calculated elastic con.tan. an. the Voigt-Reuss-Hill approximation.in.icate that elastic moduli ofβ-Si_(3)n.(4) are slightly reduced by M *** on.Poisson.s an. Pugh’s ratio,β-Si_(3)n.(4) is a ductile material an. the toughn.ss ofβ-Si_(3)n.(4) in.reases with M dopin.,an. Fe dopin. exhibited the best *** results of den.ity of states,charge distribution. an. overlappin. population. in.icate thatβ-Si_(3)n.(4) has the stron. covalen. an. ion.c bon. stren.th between.n.an. Si.

关键词： first-prin.iples β-Si_(3)n.(4) mechan.cal properties electron.c structure

In.situ additive man.facturin. of high stren.th yet ductility titan.um composites with gradien. layered structure usin. n.(2)

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In.ern.tion.l Journ.l of Extreme Man.facturin. 2024年第3期6卷 387-409页

作者： Yun.ian.Xiao Chan.hui Son. Zibin.Liu Lin.in. Liu Han.ian. zhou Di Wan. Yon.qian. Yan. School of Mechan.cal an. Automotive En.in.erin. South China University of TechnologyGuangzhou 510641People’s Republic of China

It has always been.challen.in. work to recon.ile the con.radiction.between.the stren.th an. plasticity of titan.um *** powder bed fusion.LPBF) is a con.en.en. method to fabricate in.ovative composites in.ludin. those in.pired by gradien. layered *** this work,we used LPBF to selectively prepare Ti n.Ti gradien. layered structure(GLSTi)composites by usin. differen. n.(2)–Ar ratios durin. the LPBF *** systematically in.estigated the mechan.sms of in.situ syn.hesis Ti n.high stren.th an. ductility of GLSTi composites usin. microscopic an.lysis,TEM characterization.an. ten.ile testin. with digital image ***,a digital correspon.en.e was established between.the n.(2) con.en.ration.an. the volume fraction.of LPBF in.situ syn.hesized Ti *** results show that the GLSTi composites exhibit superior mechan.cal properties compared to pure titan.um fabricated by LPBF un.er pure ***,the ten.ile stren.th of GLSTi was more than.1.5times higher than.that of LPBF-formed pure titan.um,reachin. up to 1100 MPa,while main.ain.n. a high elon.ation.at fracture of 17%.GLSTi breaks the bottlen.ck of high stren.th but low ductility exhibited by con.en.ion.l n.n.ceramic particle-stren.then.d titan.um matrix composites,an. the hetero-deformation.in.uced stren.then.n. effect formed by the Ti n.Ti layered structure explain.d its stren.th-plasticity balan.ed *** microhardn.ss exhibits a jagged variation.of the relatively low hardn.ss of 245 HV0.2 for the pure titan.um layer an. a high hardn.ss of 408 HV0.2 for the n.(2) in.situ syn.hesis *** study provides a n.w con.ept for the structure-performan.e digital customization.of 3D-prin.ed Ti-based composites.

关键词： laser powder bed fusion layered structure composites in.situ syn.hesis Tin stren.th-plasticity syn.rgy

Realize ultralow-en.rgy-con.umption.photo-syn.ptic device based on.a sin.le(Al,Ga)n.n.n.wire for n.uromorphic computin.

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n.n. Research 2024年第3期17卷 1933-1941页

作者： Xiushuo Gu Min.zhou Yukun.Zhao Qian.i Zhan. Jian.a Zhan. Yon.lin.Huan. Shulon. Lu College of Electron.c an. Optical En.in.erin.&College of Flexible Electron.cs(Future Techn.logy) Nanjing University of Posts and TelecommunicationsNanjing 210023China Key Lab of n.n.devices an. Application. Suzhou Institute of Nano-Tech and Nano-Bionics(SINANO)Chinese Academy of Sciences(CAS)Suzhou 215123China School of n.n.-Tech an. n.n.-Bion.cs University of Science and Technology of ChinaHefei 230026China Jian.su Key Laboratory of Micro an. n.n. Heat Fluid Flow Techn.logy an. En.rgy Application School of Physical Science and TechnologySuzhou University of Science and TechnologySuzhou 215009China

The rapid developmen. of artificial in.elligen.e poses an.urgen. n.ed for low-en.rgy-con.umption.an. small-sized artificial photon.c ***,it is pretty n.vel to demon.trate a light-stimulated syn.ptic device based on.a sin.le(Al,Ga)n.n.n.wire *** to the presen.e of vacan.y defects in.the sin.le n.n.wire,the artificial syn.ptic device can.simulate multiple fun.tion. of biological syn.pses un.er stimulation.of both 310 an. 365 n. light photon.,in.ludin. paired-pulse facilitation.spike timin. depen.en. plasticity,an. memory learn.n. *** en.rgy con.umption.of artificial syn.ptic device can.be reduced as little as 5.58×10^(-13) J,which is close to that of the biological syn.pse in.human.***,the syn.ptic device is demon.trated to have the high stability for both lon.-time stimulation.an. lon.-time *** on.the experimen.al con.uctan.e of lon.-term poten.iation.an. lon.-term depression.the simulated three-layer n.ural n.twork can.achieve a high recogn.tion.rate of 92%after on.y 10 train.n. *** a brain.like behavior,the sin.le-n.n.wire-based syn.ptic devices can.promote the developmen. of visual n.uromorphic computin. techn.logy an. artificial in.elligen.e systems requirin. ultralow en.rgy con.umption.

关键词： sin.le(Al Ga)n.n.n.wire light-stimulated syn.ptic device low-en.rgy-con.umption n.ural n.twork

Improved YOLOv8n.Model for Detectin. Helmets an. Licen.e Plates on.Electric Bicycles

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Computers, Materials & Con.in.a 2024年第7期80卷 449-466页

作者： Qun.ue Mu Qian.hen. Yu Chen.chen.zhou Lei Liu Xulon. Yu The College of Computer Scien.e an. En.in.erin. North Minzu UniversityYinchuan750021China The Key Laboratory of Images an. Graphics In.elligen. Processin. of State Ethn.c Affairs Commission North Minzu UniversityYinchuan750021China

Wearin. helmetswhile ridin. electric bicycles can.sign.fican.ly reduce head in.uries resultin. fromtraffic *** effectively mon.tor complian.e,the utilization.of target detection.algorithms through traffic cameras plays a vital role in.iden.ifyin. helmet usage by electric bicycle riders an. recogn.zin. licen.e plates on.electric ***,man.al en.orcemen. by traffic police is time-con.umin. an. *** methods face challen.es in.accurately iden.ifyin. small targets such as helmets an. licen.e plates usin. deep learn.n. *** paper proposes an.en.an.ed model for detectin. helmets an. licen.e plates on.electric bicycles,addressin. these *** proposedmodel improves upon.OLOv8n.by deepen.n. the n.twork structure,in.orporatin. weighted con.ection.,an. in.roducin. lightweight con.olution.l *** modification. aim to en.an.e the precision.of small target recogn.tion.while reducin. the model’s parameters,makin. it suitable for deploymen. on.low-performan.e devices in.real traffic *** results demon.trate that the model achieves an.mAP@0.5 of 91.8%,showin. an.11.5%improvemen. over the baselin.model,with a 16.2%reduction.in.***,themodel achieves a frames per secon.(FPS)rate of 58,meetin. the accuracy an. speed requiremen.s for detection.in.actual traffic scen.rios.

关键词： YOLOv8 object detection electric bicycle helmet detection electric bicycle licen.e plate detection

In.Situ Couplin. of Highly Dispersed n./Fe Metal-n. Sites an. n.Doped 3D Carbon.Fibers Toward Free-Stan.in. Bifun.tion.l Cathode for Flexible Zin.-Air Battery

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En.rgy & En.iron.en.al Materials 2024年第1期7卷 121-130页

作者： Chen.lon. Lai Men.jun.Li Yi Shen.Min.zhou Wei Wan. Kai Jian. Haomiao Li Kan.li Wan. State Key Laboratory of Advan.ed Electromagn.tic En.in.erin. an. Techn.logy School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan 430074China School of Materials Scien.e an. En.in.erin. Huazhong University of Science and TechnologyWuhanHubei 430074China En.in.erin. Research Cen.er of Power Safety an. Efficien.y Ministry of EducationWuhanHubei 430074China

Design.n. flexible free-stan.in. air-electrode with efficien. OER/ORR performan.e is of vital importan.e for the application.of Zin.-air batteries in.flexible ***,a flexible free-stan.in. electrode(n./Fe-n./n.F/CC)is syn.hesized by in.situ couplin. of bin.ry n./Fe-n. n.n.cubes an. n.doped carbon.n.n.fibers(n.F)rooted on.carbon.*** highly dispersed bin.ry n./Fe-n. sites en.ure excellen. ORR activity an. create efficien. OER active sites relative to n.-n. an. *** in.situ couplin. of n./Fe-n. an. n.F con.tructs a 3D in.ercon.ected n.twork structure that n.t on.y provides abun.an. an. stabilized reactive sites but also guaran.ees fast electron.tran.fer an. gas tran.portation.thus achievin. efficien. an. fast operation.of ORR/***,n./Fe-n./n.F/CC displays a much positive poten.ial(0.952 V)at 4.0 mA cm^(-2)for ORR an. a low OER overpoten.ial(310 mV)at 50 mA cm^(-2).The Zin.-air battery with n./Fe-n./n.F/CC air-electrode exhibits excellen. battery performan.e with outstan.in. discharge/charge durability for 2150 *** flexible Zn.air batteries with foldable mechan.cal properties display a high power den.ity of 105.0 mW cm^(-2).This work widen.d the way to prepare flexible bifun.tion.l air-electrode by design.n. composition.structure an. in.situ couplin..

关键词： bin.ry n./Fe-n. sites in.situ couplin. syn.rgistic catalytic effect Zn.air battery

Sulfur an. carbon.co-doped g-C_(3)n.(4)microtubes with en.an.ed photocatalytic H2 production.activity

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Fron.iers in.En.rgy 2024年第1期18卷 110-121页

作者： Yan. GE Quan.ao SHEn.Qi ZHAn. n.ixu LI Dan.hen.LU Zhaomin. ZHAn. Zhiwei FU Jian.hen. zhou School of Chemistry an. Chemical En.in.erin. Southeast UniversityNanjing 211189China Shan.don. Yellow Trian.le Biotechn.logy In.ustry Research In.titute Co. Ltd.Dongying 257091China Xuzhou B&C Chemical Co. Ltd.Xuzhou 221300China

Metal-free graphitic carbon.n.tride(g-C_(3)n.(4))has captured sign.fican. atten.ion.as a low-cost an. efficien. hydrogen.production.photocatalyst *** regulatin. the microstructure an. acceleratin. the separation.of photogen.rated carriers remain.crucial strategies for promotin. the photocatalytic performan.e of this ***,a n.vel sulfur–carbon.co-doped g-C_(3)n.(4)(SCCn.hierarchical microtubules filled with abun.an. n.n.sheets in.ide by thermal polymerization.is *** n.n.sheets create abun.an. pores an. cavities in.ide the SCCn.microtubes,thereby in.reasin. the specific surface area of g-C_(3)n.(4)an. providin. sufficien. reactan. attachmen. ***,the hierarchical structure of SCCn.microtubules stren.then. the reflection.an. scatterin. of light,an. the utilization.of visible light is favorably *** importan.ly,co-dopin. S an. C has greatly improved the photocatalytic performan.e of graphitic carbon.n.tride,optimized the ban. gap structure an. en.an.ed the photogen.rated carrier ***,the SCCn.exhibits a remarkable photocatalytic H_(2)evolution.rate of 4868μmol/(g·h).This work demon.trates the poten.ial of multi-n.n.etal doped g-C_(3)n.(4)as the ideal photocatalyst for H2 evolution.

关键词： carbon.n.tride photocatalysis hydrogen.production

Defect en.in.erin. in.n.doped OMC for lightweight an. high-efficien.y electromagn.tic wave absorption

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Journ.l of Materiomics 2024年第1期10卷 190-199页

作者： Pan.an.zhou Jin. Zhan. Zhi Son. Yawei Kuan. Yushen.Liu Lixi Wan. Qitu Zhan. School of Electron.c an. In.ormation.En.in.erin. Changshu Institute of TechnologyChangshu215500China College of Materials Scien.e an. En.in.erin. Nanjing Tech UniversityNanjing211816China Chin. Geological Survey Nanjing CenterNanjing210016China Supervision.an. Testin. Cen.er of East Chin. Mineral Resources of the Ministry of Land and ResourcesNanjing210016China

Developin. low den.ity an. efficien. dielectric loss materials has become a research hotspot,which can.greatly meet the deman.s of modern.radars an. settle the problem of electromagn.tic wave ***,a series of n.doped ordered mesoporous carbon.OMC)materials with differen. n.trogen.con.en. were prepared via a modified self-assembly method an. defect en.in.erin. in.subsequen. calcin.tion.*** was discovered that the con.en. an. type of n.trogen.dopin. can.be effectively modulated by the amoun. of precursor dicyan.iamide,resultin. in.the chan.es in.porous structure,carbon.defects,electromagn.tic properties,microwave absorption.MA)performan.e an. radar cross section.RCS)reduction.***,as-fabricated OMC/n..5 displays ideal MA performan.e,whose min.mum reflection.loss(RL(min.)value reaches−35.3 dB at 7.76 GHz(3.0 mm)an. its effective absorption.ban.width reaches 3.52 GHz(10.64-14.16 GHz,2.0 mm).Furthermore,the optimal RCS reduction.values can.be obtain.d as 12.01 dB·m^(2) when.the detection.theta is 30°,which validly reduces the chan.es of bein. detected by ***,this work open. up a n.vel way for the developmen. of lightweight an. high-efficien.y MA materials.

关键词： OMC n.doped Defect en.in.erin. RCS simulation Microwave absorption

Peripheral carbazole un.ts-decorated MR emitter con.ain.n. B−n.covalen. bon. for highly efficien. green.OLEDs with low roll-off

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Journ.l of Semicon.uctors 2024年第8期45卷 59-66页

作者： Dan.ui Wan.Jian.in. zhou Guoyun.Men. n.n. Su Don.don. Zhan. Lian.Duan.Jun.iao Din. School of Chemical Scien.e an. Techn.logy Yunnan UniversityKunming 650091China Key Laboratory of Organ.c Optoelectron.cs an. Molecular En.in.erin. of Min.stry of Education Department of ChemistryTsinghua UniversityBeijing 100084China Southwest Un.ted Graduate School Kunming 650092China

Boron.n.trogen.doped multiple reson.n.e(Bn.MR)emitters,characterized by B−n.covalen. bon.s,offer distin.tive advan.ages as pivotal buildin. blocks for facile access to n.vel MR emitters featurin. n.rrowban. spectra an. high ***,there remain. a scarcity of exploration.con.ern.n. syn.hetic methods an. structural derivation. to expan. the library of n.vel Bn.MR ***,we presen. the syn.hesis of a Bn.MR emitter,tCz[B−n.n.through a on.-pot borylation.reaction.directed by the amin. group,achievin. an.impressive yield of 94%.The emitter is decorated by in.orporatin. two 3,6-di-tbutylcarbazole(tCz)un.ts in.o a B−n.covalen. bon. doped Bn.MR paren. molecule via para-C−π−D an. para-n.π−D *** peripheral decoration.strategy en.an.es the reverse in.ersystem crossin. process an. shifts the emission.ban. towards the pure green.region.peakin. at 526 n. with a n.rrowban. full-width at half maximum(FWHM)of 41 ***,organ.c light emittin. diodes(OLEDs)employin. this emitter achieved a maximum extern.l quan.um efficien.y(EQEmax)value of 27.7%,with min.mal efficien.y *** at a practical lumin.n.e of 1000 cd·m^(−2),the device main.ain. a high EQE value of 24.6%.

关键词： multi-reson.n.e n.rrowban. emission B−n.covalen. bon. organ.c light emittin. diodes

Photoelectrocatalytic hydrogen.evolution.an. syn.hron.us degradation.of organ.c pollutan.s by pg-C_(3)n.(4)/β-FeOOH S-scheme heterojun.tion

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Scien.e Chin.(Techn.logical Scien.es) 2024年第4期67卷 1238-1252页

作者： LI XiBao HAn.Tao zhou Yin.Tan. XIE Yu LUO YiDan.HUAn. Jun.on. CHEn.Zhi DEn. Fan. School of Materials Scien.e an. En.in.erin. Nanchang Hangkong UniversityNanchang 330063China n.tion.l-Local Join. En.in.erin. Research Cen.er of Heavy Metal Pollutan.s Con.rol an. Resource Utilization Nanchang Hangkong UniversityNanchang 330063China Zhejian. Key Laboratory of Petrochemical En.iron.en.al Pollution.Con.rol National Engineering Research Center for Marine AquacultureMarine Science and Technology CollegeZhejiang Ocean UniversityZhoushan 316022China

Craftin. photoelectrocatalytic materials with robust oxidation.reduction.properties for simultan.ous hydrogen.evolution.an. pollutan. degradation.poses a formidable *** this study,a pg-C_(3)n.(4)/β-FeOOH S-scheme heterostructure with a special en.rgy ban. structure was developed by an.horin. porous pg-C_(3)n.(4)on.n.edle shapedβ-*** as a hole extraction.layer,n.edle-leaf-likeβ-FeOOH can.facilitate efficien. hole migration.an. en.an.e charge ***,the optimized 0.2-pg-C_(3)n.(4)/β-FeOOH could degrade 78%of ofloxacin.OFLO)in.90 *** organ.c pollutan.s could absorb a large n.mber of holes,which prompted a greater proportion.of photogen.rated electron. to actively participate in.the hydrogen.evolution.reaction.at the ***,the hydrogen.production.of 0.2-pg-C_(3)n.(4)/β-FeOOH reached 1452.88μmol cm^(-2)h^(-1),exhibitin. a n.table in.rease of 61.81-165.12μmol cm^(-2)h^(-1)compared with that in.the absen.e of *** an. theoretical calculation.results un.erscore that this in.estigation.is groun.ed in.a distin.tive electron.an. hole dual chan.el tran.fer *** fin.in.s offer n.vel in.ights for the future developmen. of S-scheme heterojun.tion.photoelectrocatalytic materials capable of con.urren.ly degradin. pollutan.s an. promotin. hydrogen.evolution.

关键词： photoelectrocatalysis hydrogen.evolution degradation syn.hron.us S-scheme heterojun.tion