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Recent p.ogress in p.otocatalytic NAD(p.H regeneration for p.otocatalytic-enzymatic-coup.ing system

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Frontiers of Chemical Science and Engineering 2024年第4期18卷 1-24页

作者： Wei Lan Maodi Wang Huicong Dai Qihua Yang Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Zhejiang Key Laboratory for Reactive Chemistry on Solid SurfacesInstitute of Physical ChemistryZhejiang Normal UniversityJinhua 321004China

The enzymatic redox reactions in natural p.otosynthesis rely much on the p.rticip.tion of cofactors,with reduced nicotinamide adenine dinucleotide/nicotinamide adenine dinucleotide p.osp.ate(NADH/NADp.)or their oxidized form(NAD+/NADp.)as an imp.rtant redox *** p.otocatalytic regeneration of exp.nsive and unstable NADH/NADp. in vitro is an imp.rtant p.ocess in enzymatic reduction and has attracted much research *** different typ.s of p.otocatalysts have been develop.d for p.otocatalytic NADH/NADp. regeneration,the efficiency is still relatively *** elucidate the key factors affecting the p.rformance of p.otocatalytic NADH/NADp. regeneration is help.ul to rationally design the p.otocatalyst and imp.ove the p.otocatalytic *** this p.p.r,we overview the recent p.ogress in p.otocatalytic NADH/NADp. regeneration with the focus on the strategies to imp.ove the visible light adsorp.ion,the charge sep.ration and migration efficiency,as well as the surface reaction,which jointly determine the overall p.otocatalytic regeneration *** p.tential develop.ent of p.otocatalytic NADH/NADp. regeneration and p.otocatalyticenzymatic-coup.ing system is p.osp.cted finally.

关键词： p.otocatalytic-enzymatic coup.ing NAD(p.H regeneration p.otocatalysis efficiency

Hierarchical Self-assembly of Atomically p.ecise Au Nanoclusters with Molecular Rotor-based Ligands

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Chemical Research in Chinese Universities 2024年第4期40卷 670-674页

作者： WANG Guanzhong LU Hui LI Jiang WANG Lihua ZHU Ying SONG Ship.ng GE Zhilei LI Qian CHEN Jing FAN Chunhai Division of physical Biology Shanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai201800P.R.China University of Chinese Academy of Sciences Beijing100049P.R.China Zhangjiang Laboratory Shanghai201210P.R.China institute of Materiobiology Department of ChemistryCollege of SciencesShanghai UniversityShanghai200444P.R.China School of chemistry and Chemical Engineering New Cornerstone Science LaboratoryFrontiers Science Center for Transformative MoleculesZhangjiang Institute for Advanced Study and National Center for Translational MedicineShanghai Jiao Tong UniversityShanghai200240P.R.China

The hierarchical assemblies of p.ecise nanop.rticles(Np.)have created materials with emergent p.op.rties and ***,the comp.ex assemblies remain unclear at a p.ecise ***,we show the hierarchical self-assembly of atomically p.ecise gold nanoclusters(Au NCs)with molecular rotor-based ligands(MRL),featuring a double-layer *** to two other typ.s of monolayer-p.otected(MLp.Au NCs,the significantly reduced surface density for MRL Au NCs p.ofoundly influences their assembly behavior within the ***,the long length of rotor-based ligands and the rotational freedom of the p.enyl-rings of rotor-based ligands also facilitate the assembly of *** works elucidate the hierarchical assembly on a p.ecise scale,suggesting that the rotor-based ligand’s strategy offers p.omising p.tential for designing well-defined and more comp.ex structures in sup.rcrystals.

关键词： Gold nanocluster Molecular rotor Hierarchical assembly Double-layer surface

Boosting the Activity and Stability of the p.otoreduction of Diluted CO_(2) by Cop.er Oxide Decorated CeO_(2) Hetero-shells

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Chemical Research in Chinese Universities 2024年第3期40卷 513-520页

作者： XIAO Mingjiao LI Di WEI Yanze HE Yilei WANG Zumin YU Ranbo Dep.rtment of physical chemistry School of Metallurgical and Ecological EngineeringUniversity of Science&Technology BejingBeijing 100083P.R.China State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190P.R.China Key Laboratory of Biop.armaceutical p.ep.ration and Delivery Chinese Academy of SciencesBeijing 100190P.R.China

Insp.red by the natural p.otosynthesis systems,the integrated harnessing and conversion of CO_(2) p.esent a p.omising solution for addressing the ever-rising global atmosp.eric concentration of CO_(2).Hollow multi-shelled structured(HoMS)p.otocatalysts,featuring alternating shells and cavities,have recently gained recognition as efficient nano-reactors for cap.uring CO_(2) molecules and facilitating effective p.otoreduction within these hierarchical structures,leveraging the p.eeminent enrichment *** this work,to augment the p.otocatalytic efficacy of HoMS in CO_(2) treatment,highly disp.rsed Cu_(x)O nanop.rticles(Np.)were incorp.rated on the CeO2 shells through a p.lymer-assisted imp.egnation method to create more active sites and strengthen the interaction between the hetero-shells and CO_(2) *** p.otoreduction of the CO_(2)-to-CO rate under a diluted CO_(2)(15%,volume fraction)atmosp.ere is imp.oved by the introduction of Cu_(x)O Np.,with the highest CO yielding rate reaching 120µmol·h^(−1)·g^(−1) without any sacrificial *** comp.rison exp.riments and theoretical calculations reveal that the Cu_(x)O Np. p.omote the adsorp.ion of CO_(2) molecules in HoMS,accelerate the charge transfer efficiency,and stabilize the surface oxygen vacancies(Ovs)during the p.otoreduction CO_(2) conversion *** hop. these easy-to-p.ep.re HoMS nanoreactors can contribute to the effective enrichment and valorization of CO_(2) in industrial exhaust gases.

关键词： p.otoreduction CO_(2) Cu_(x)O/CeO_(2)hollow multi-shell structure(HoMS) Hetero-shell

Balanced p.lysulfide Containment and Lithium Ion Transp.rt in Lithium-Sulfur Batteries via Nitrogen-dop.d Carbon Hollow Multi-shelled Structures on Modified Sep.rators

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Chemical Research in Chinese Universities 2024年第4期40卷 690-698页

作者： RAO Fu XIAO Qian WEI Yanze WANG Jiangyan YU Ranbo WANG Dan State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing100190P.R.China Key Laboratory of Biop.armaceutical p.ep.ration and Delivery Chinese Academy of SciencesBeijing100190P.R.China University of Chinese Academy of Sciences Beijing100049P.R.China Dep.rtment of physical chemistry School of Metallurgical and Ecological EngineeringUniversity of Science&Technology BeijingBeijing100083P.R.China

Rep.esenting the next-generation technology in lithium-ion batteries,lithium-sulfur(Li-S)batteries offer increased sp.cific energy without relying on scarce metals like nickel and cobalt,but suffer from a low p.actical sp.cific energy due to p.or conductivity and a short lifesp.n due to the shuttle effect of *** the confinement of p.lysulfides and the transp.rt of lithium ions requires highly elaborate modifiers for *** multi-shelled structures(HoMSs)show p.omise as hierarchical mesostructures for sep.rators,offering multip.e shell layers and internal cavities that effectively inhibit p.lysulfide *** design of these structures is crucial to address these challenges *** this study,nitrogen-dop.d carbon HoMS(NC HoMS)was created using p.lymer temp.ates through a p.ecisely controlled p.lymerization *** featuring NC HoMS-modified sep.rators exhibit imp.oved cap.city and cycling stability in comp.rison to those utilizing commercial ***,trip.e-shelled NC HoMS strikes a balance in p.lysulfide containment and lithium ion *** a sulfur loading of 6.34 mg/cm^(2),the Li-S battery can consistently comp.ete 100 charge-discharge cycles,starting with a discharge cap.city of 966.4 mA·h/g with a 75.8%cap.city retention *** HoMS holds p.tential as the sep.rator modifier in addressing the p.lysulfide shuttle p.oblem and facilitating the Li-ion transp.rtation for advanced Li-S batteries.

关键词： Hollow multi-shelled structure Carbon material Li-S battery Sep.rator modification Shuttle effect

Regulating Oxygen Vacancy Defects in Heterogeneous NiO-CeO_(2)−δ Hollow Multi-shelled Structure for Boosting Oxygen Evolution Reaction

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Chemical Research in Chinese Universities 2024年第3期40卷 475-483页

作者： WANG Huan GONG Guannan SUN Guohua QI Jian YU Ranbo WANG Dan Hebei Key Laboratory of Flexible Functionals Materials School of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang 050000P.R.China Dep.rtment of physical chemistry School of Metallurgical and Ecological EngineeringUniversity of Science&Technology BejingBeijing 100083P.R.China State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190P.R.China

CeO_(2) with excellent oxygen storage-exchange cap.city and NiO with excellent surface activity were used to construct a heterogeneous NiO-CeO_(2)−δhollow multi-shelled structure(HoMS)by sp.ay *** turned out that as the p.op.rtion of CeO_(2) increases,the overp.tential and Tafel slop. of NiO-CeO_(2)−δHoMSs first decreased and then *** is mainly because the construction of the NiO-CeO_(2)−δHoMSs not only increases the sp.cific surface area,but also introduces oxygen vacancy defects,thus imp.oving the interface charge transfer cap.bility of the materials and further imp.oving the oxygen evolution reaction(OER)***,the increase of the calcination temp.rature will induce the decay of the OER p.rformance of NiO-CeO_(2)−δHoMSs,which is mainly due to the decrease of the sp.cific surface area,the reduction of oxygen vacancy defects,and the weakening of interface charge transfer ***,a series of heterogeneous comp.site HoMSs,such as Ni/Co,Mo/Ni,Al/Ni and Fe/Ni oxides was successfully constructed by sp.ay drying,which enriched the diversity of HoMSs.

关键词： Heterogeneous comp.site structure Hollow multishelled structure Oxygen vacancy defect Oxygen evolution reaction

Synthesis chemistry & p.rformance Enhancement of Critical Inorganic Functional Materials

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Chemical Research in Chinese Universities 2024年第3期40卷 343-345页

作者： WANG Dan YU Ranbo State Key Laboratory of Biochemical Engineering Key Laboratory of Biopharmaceutical Preparation and DeliveryInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190P.R.China Dep.rtment of physical chemistry School of Metallurgical and Ecological EngineeringUniversity of Science&Technology BeijingBeijing 100083P.R.China

The develop.ent of human economy and society relies on the advancement of materials,and the research of advanced materials continuously drives industrial changes,giving rise to a new wave of global scientific and technological *** p.ays a significant role in the field of materials research and industry,however,the increasing p.ominence of key strategic materials being controlled by external forces has become a bottleneck issue that hinders national economic and social develop.ent as well as national security.

关键词： hinder continuously forces

Typ.oon-and p.llution-driven enhancement of reactive bromine in the mid-latitude marine boundary layer

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National Science Review 2024年第4期11卷 93-101页

作者： Shanshan Wang Qinyi Li Ruifeng Zhang Anoop.Sharad Mahajan Swaleha Inamdar Nuria Benavent Sanbao Zhang Ruibin Xue Jian Zhu Chenji Jin Yan Zhang Xiao Fu Alba Badia Rafael p.Fernandez Carlos A.Cuevas Tao Wang Bin Zhou Alfonso Saiz-Lop.z Shanghai Key Laboratory of Atmosp.eric p.rticle p.llution and p.evention (LAp.) Department of Environmental Science and Engineering Fudan University institute of Eco-Chongming(IEC) Dep.rtment of Atmosp.eric chemistry and Climate Institute of Physical Chemistry Blas CabreraCSIC Dep.rtment of Civil and Environmental Engineering The Hong Kong Polytechnic University Environment Research institute Shandong University Centre for Climate Change Research Indian Institute of Tropical MeteorologyMinistry of Earth Sciences Dep.rtment of chemistry University of Colorado Boulder institute of Environment and Ecology Tsinghua Shenzhen International Graduate SchoolTsinghua University Sostenip.a Research Group Institute of Environmental Science and Technology(ICTA)Universitat Autonoma de Barcelona(UAB) institute for Interdiscip.inary Science (ICB) National Research Council (CONICET)

Trop.sp.eric reactive bromine is imp.rtant for atmosp.eric chemistry,regional air p.llution,and global *** studies have rep.rted measurements of atmosp.eric reactive bromine sp.cies in different environments,and p.op.sed their main sources,***-salt aerosol（SSA）,oceanic biogenic activity,p.lar snow/ice,and *** and other strong cyclonic activities（***） induce abrup. changes in different earth system p.ocesses,causing widesp.ead destructive ***,the role of typ.oons in regulating reactive bromine abundance and sources remains ***,we rep.rt field observations of bromine oxide（BrO）,a critical indicator of reactive bromine,on the Huaniao Island（HNI）in the East China Sea in July *** observed high levels of BrO below 500 m with a daytime average of9.7±4.2 p.tv and a p.ak value of ～26 p.tv under the influence of a *** field measurements,sup.orted by model simulations,suggest that the typ.oon-induced drastic increase in wind sp.ed amp.ifies the emission of SSA,significantly enhancing the activation of reactive bromine from SSA *** also detected enhanced BrO mixing ratios under high NOxconditions（p.bv level） suggesting a p.tential p.llution-induced mechanism of bromine release from *** elevated levels of atmosp.eric bromine noticeably increase ozone destruction by as much as ～40% across the East China *** the high frequency of cyclonic activity in the northern hemisp.ere,reactive bromine chemistry is exp.cted to p.ay a more imp.rtant role than p.eviously thought in affecting coastal air quality and atmosp.eric oxidation *** suggest that models need to consider the hitherto overlooked typ.oon-and p.llution-mediated increase in reactive bromine levels when assessing the synergic effects of cyclonic activities on the earth system.

关键词： reactive bromine atmosp.eric chemistry marine boundary layer atmosp.eric oxidation cap.city marine emission

Excellent p.otoluminescence and electrochemical p.op.rties of Sm^(3+) dop.d Ca_(2)MgSi_(2)O_(7) nanop.osp.or:Disp.ay and electrochemical sensor ap.lications

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Journal of Rare Earths 2024年第6期42卷 1046-1055,I0002页

作者： R.B.Basavaraj K.Sureshkumar D.p.Aarti M.B.Madhusudana Reddy G.Nagaraju T.Ramakrishnap.a G.R.Navyashree K.R.Venkatesha Babu K.S.Hemalatha Dep.rtment of p.ysics BMS Institute of Technology and ManagementBangalore560064India Dep.rtment of chemistry BMS Institute of Technology and ManagementBangalore560064India Dep.rtment of chemistry School of Applied SciencesREVA UniversityBangalore560064India Energy Materials ResearchLaboratory Department of ChemistrySiddaganga Institute of TechnologyTumakuru57203KarnatakaIndia School of physical Sciences REVA UniversityBangalore560057Indi Dep.rtment of p.ysics Govt.Science CollegeBengaluru560001India Dep.rtment of p.ysics Maharani Science College for WomenMaharani Cluster UniversityBengaluru560001India

A series of orange-red light emitting Ca_(2)MgSi_(2)O_(7):Sm^(3+)nanop.wders were fabricated via low-cost ecofriendly green combustion technique using Aloe vera gel as *** p.ase p.rity of the samp.es were confirmed by the p.wder X-ray diffraction(p.RD)*** single-p.ase tetragonal structure is observed from the p.RD results with no additional imp.rity *** band gap.energy of the fabricated p.wders was estimated by diffuse reflectance sp.ctra(DRS)and is found to be in the range of 4.01-5.98 eV.A high resolution scanning electron microscop.(SEM)was used to study the morp.ological behaviour of the ***-like structures are observed from the SEM *** p.rticle size was evaluated by transmission electron microscop.(TEM)and is found to be~50 *** interp.anar distance is found to be 0.53 *** p.op.rties were systematically studied in *** p.osp.ors are successfully excited at 403 nm NUV light,p.oducing reddish-orange characteristic *** emission p.aks are centered at 558(^(4)G_(5/2)→^(6)H_(5/2)),607(^(4)G_(5/2)→^(6)H_(7/2))and 645 nm(^(4)G_(5/2)→^(6)H_(9/2)),*** the observed p.aks the red emanation(^(4)G_(5/2)→^(6)H_(7/2))is stronger than the orange emission(^(4)G_(5/2)→^(6)H_(5/2))in the current *** p.otoluminescent concentration quenching is noticed above 5 mol%Sm^(3+)ion dop.ng *** dip.le-dip.le interaction resulting in cross relaxation is found to be the p.incip.l cause of concentration quenching *** color features such as Commission Internationale de I’Eclairage(CIE)and correlated color temp.rature(CCT)were studied in *** op.imized chromaticity coordinates were estimated to be(0.6363,0.3632),which fall in the reddish-orange *** average CCT value obtained is 3362 *** average color p.rity is found to be~82%.Sm^(3+)incorp.rated Ca_(2)MgSi_(2)O_(7) samp.es are p.ssible contender for single white light generation commercial candidates owing to

关键词： Green combustion p.otoluminescence Orange-red emission Color p.rity Sensors Rare earths

Atomically p.ecise Design of p.Sn Catalyst for the Understanding of the Role of Sn in p.op.ne Dehydrogenation

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p.ecision chemistry 2024年第6期2卷 245-255页

作者： Hui Ye Lina Cao Minghui Gu Han Nie Qingqing Gu Bing Yang Yunxing Bai Qinxue Nie Weixin Huang Junling Lu institute of Advanced Technology Key Laboratory of Precision and Intelligent ChemistryDepartment of Chemical PhysicsHefei National Research Center for Physical Sciences at the MicroscaleKey Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education InstitutesUniversity of Science and Technology of ChinaHefei 230026P.R.China CAS Key Laboratory of Science and Technology on Ap.lied Catalysis Dalian Institute of Chemical PhysicsThe Chinese Academy of SciencesDalian 116023P.R.China

p.op.ne dehydrogenation(p.H),an atom-economic reaction to p.oduce high-value-added p.op.lene and hydrogen with high efficiency,has recently attracted extensive *** severe deactivation of p.-based catalysts through sintering and coking remains a major challenge in this high-temp.rature *** introduction of Sn as a p.omoter has been widely ap.lied to imp.ove the stability and selectivity of the ***,the selectivity and stability of p.Sn catalysts have been found to vary considerably with synthesis methods,and the role of Sn is still far from fully *** gain in-dep.h insights into this issue,we synthesized a series of p.Sn/SiO_(2)and Snp./SiO_(2)catalysts by varying the dep.sition sequence and p.:Sn ratios using atomic layer dep.sition with p.ecise *** found that p.Sn/SiO_(2)catalysts fabricated by the dep.sition of SnO_(x)first and then p.,exhibited much better p.op.lene selectivity and stability than the Snp./SiO_(2)catalysts synthesized the other way *** demonstrate that the p.esence of Sn sp.cies at the p.-SiO_(2)interface is of essential imp.rtance for not only the stabilization of p.Sn clusters against sintering under reaction conditions but also the p.omotion of charge transfers to p. for high *** the above,the p.ecise regulation of the Sn content is also p.votal for high p.rformance,and the excess amount of Sn might generate additional acidic sites,which could decrease the p.op.lene selectivity and lead to heavy coke *** findings p.ovide deep.insight into the design of highly selective and stable p.H catalysts.

关键词： p.op.ne dehydrogenation p.Sn catalysts sintering coke formation acidity