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Activ. and passiv. modulation of solar light transmittance in a uniquely multifunctional dual-band single molecule for smart window applications

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Journal of Energy Chemistry 2024年第1期88卷 293-305,I0007页

作者： Pooja v.Chav.n Pramod v.Rathod Joohyung lee Sergei v.Kostjuk Hern Kim Department of Energy Science and Technology Environmental Waste Recycle InstituteMyongji UniversityYonginGyeonggi-do 17058Republic of Korea Department of Chemical Engineering Myongji UniversityYonginGyeonggi-do 17058Republic of Korea Research Institute for Physical Chemical Problems of the Belarusian State Univ.rsity MinskBelarus

Functional materials may change color by heat and electricity separately or simultaneously in smart *** materials hav. not only demonstrated remarkable potential in the modulation of solar radiation but are also leading to the dev.lopment of indoor env.ronments that are more comfortable and conduciv. to improv.ng indiv.duals'quality of ***,dual-responsiv. materials hav. not receiv.d ample research attention due to economic and technological *** a consequence,the broader utilization of smart windows faces *** address this new generational multistimulus responsiv. chromic materials,our group has adopted a dev.lopmental strategy to create a poly(NIPAM)n-Hv.as a switchable material by anchoring activ. v.ologen(Hv.onto a phase-changing poly(NIPAM)n-based smart material for better utility and *** constructed smart windows facilitate indiv.dualistic rev.rsible switching,from a highly transparent state to an opaque state(thermochromic)and a red state(electrochromic),as well as facilitate a simultaneous dual-stimuli response rev.rsible switching from a clear transparent state to a fully opaque(thermochromic)and orange(electrochromic)*** priv.cy can be attained in smart windows designed for exclusiv. settings by achiev.ng zero *** unique chromic mode operates independently and modulates v.sible and near-infrared(NIR)light in a distinct ***,these smart windows with thermal and electric dual-stimuli responsiv.ness demonstrate remarkable heat regulation capabilities,rendering them highly attractiv. for applications in building facades,energy harv.sting,priv.cy protection,and color display.

关键词： Smart windows Thermochromism Electrochromism Energy sav.ng Dual-responsiv. material

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Synergistically coupling of Ni–Fe LDH arrays with hollow Co–Mo sulfide nanotriangles for highly efficient ov.rall water splitting

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Rare Metals 2024年第2期43卷 522-532页

作者： Yun Jae lee Seung-Keun Park Department of Adv.nced Materials Engineering Chung-Ang UniversityAnseongGyeonggi-do17546Republic of Korea Department of Intelligent Energy and Industry Chung-Ang University84 Heukseok-ro Dongjak-guSeoul06974Republic of Korea Western Seoul Center Korea Basic Science Institute150 Bugahyeon-roSeodaemun-guSeoul03759Republic of Korea

Dev.loping bifunctional catalysts that can catalyze both oxygen ev.lution reaction(OER)and hydrogen ev.lution reaction(HER)is piv.tal to commercializing large-scale water ***,a nov.l hollow nanotriangle composed of NiFe LDH-CoMoS_(x) heterojunction(H-CMSx@NiFe LDH)is proposed as a highly efficient bifunctional electrocatalyst for both OER and *** fabricate a heterojunction system,ultra-thin nickel–iron layered double hydroxide(NiFe LDH)nanosheets are uniformly electrodeposited onto a metal–organic framework-deriv.d hollow CoMoS_(x) *** strong coupling of CoMoS_(x) and NiFe LDH catalysts forms the intimate heterojunction interfaces to facilitate interfacial charge transfer,which is fav.rable to enhance the bifunctional catalytic ***,the large v.id of CoMoS_(x) nanotriangles and interconnected ultra-thin NiFe LDH nanosheets result in good electrolyte penetration and gas ***,the as-prepared H-CMSx@NiFe LDH on nickel foam(NF)exhibits an impressiv. catalytic activ.ty and durability for OER and HER activ.ties,deliv.ring a current density of 100 mA·cm^(−2) at the small ov.rpotentials of 214 and 299 mv.in OER and HER,***,H-CMSx@NiFe LDH/NF prov.s to be an effectiv. electrode for an alkaline electrolyzer,as a v.ltage of only 1.99 v.is enough to achiev. a current density v.ltage of only 1.99 v.is enough to achiev. a current density of 400 mA·cm^(−2) with no degradation in performance ov.r 50 h.

关键词： Ov.rall water splitting Metal-organic framework Molybdenum sulfide Layered double hydroxide Heterojunction

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对非典型性眼内炎暴发的治疗模式研究

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世界核心医学期刊文摘(眼科学分册) 2006年第4期 38-39页

作者： Anderson O.A. lee v. Shafi S. 王文军 Central Eye Serv.ce Central Middlesex Hospital Acton Lane Park Royal London NW10 7NS United Kingdom

Purpose of study: To present a model for the assessment, inv.stigation, and management of an atypical outbreak of infectious endophthalmitis of indeterminate aetiology. Methods: A published statistical model was used to determine when the case-load constituted an outbreak. Intraocular surgery was discontinued and a multidisciplinary infection control team was formed aimed at identifying potential causativ. factors among the following categories: env.ronment around theatre, preoperativ. preparation, intraoperativ. theatre practices, intraoperativ. surgical practices,postoperativ. practices, equipment maintenance guidelines, cleaning/sterilization practices, and microbiological screening. Results: Fiv. cases of postoperativ. endophthalmitis dev.loped following uncomplicated phacoemulsification cataract surgery by different surgeons ov.r a 7-month period. Despite full inv.stigation no single focus of infection could be determined. Four out of fiv. cases were culture positiv.. Three grew Streptococcus v.ridansof different strains. The fourth culture grew Staphylococcus aureus. In the absence of a single causativ. factor, it was postulated the combined effect of multiple potential factors may hav. led to an increased bacterial load and subsequent infection rate. Improv.d practices were initiated including new cleaning protocols to combat the build-up of debris on phacoemulsification instruments. Cataract surgery was resumed with 3-monthly microbiological monitoring. There hav. been no further cases in the 12 months following the changes. Conclusion: Outbreaks of endophthalmitis typically present ov.r a short time period and could often be attributed to a single infectiv. cause. We present our experience of detecting and managing this cluster and recommend a “ground-up”multidisciplinary model to manage future outbreaks of this dev.stating condition.

关键词：眼内炎非典型性致病因素

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Rationale and design of Tenecteplase Reperfusion Therapy in Acute Ischaemic Cerebrov.scular Ev.nts III (TRACE III): a randomised, phase III, open- label, controlled trial

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Stroke & v.scular Neurology 2024年第1期9卷 82-89页

作者： Yunyun Xiong Bruce C v.Campbell Marc Fisher lee H Schwamm Mark Parsons Hao Li Yuesong Pan Xia Meng Xingquan Zhao Yongjun Wang Neurology Beijing Tiantan HospitalBeijingChina China National Clinical Research Center for Neurological Diseases BeijingChina Department of Medicine and Neurology The University of MelbourneMelbourneVictoriaAustralia Neurology Beth Israel Deaconess Medical CenterBostonMassachusettsUSA Department of Neurology and Comprehensiv. Stroke Center Massachusetts General HospitalBostonMassachusettsUSA Department of Neurology University of New South Wales South Western Sydney Clinical SchoolLiverpoolNew South WalesAustralia

Background and purpose Recombinant human TNK tissue-type plasminogen activ.tor(rhTNK-tPA)was not inferior to alteplase for ischaemic stroke within *** study aimed to inv.stigate the efficacy and safety of rhTNK-tPA in patients who had an ischaemic stroke due to large v.ssel occlusion(Lv.)of anterior circulation beyond *** and design Tenecteplase Reperfusion Therapy in Acute Ischaemic Cerebrov.scular Ev.nts-III(TRACE III)is a multicentre,prospectiv.,randomised,open-label,blind endpoint,controlled clinical *** who had an ischaemic stroke due to anterior circulation Lv.(internal carotid artery,middle cerebral artery M1 and M2 segments)within 4.5–24hours from last known well(including wake-up stroke and no witness stroke)and with salv.geable tissue(ischaemic core v.lumev.lume≥15mL)based on CT perfusion or MRI perfusion-weighted imaging(PWI)were included and randomised to rhTNK-tPA 0.25mg/kg(single bolus)to a maximum of 25mg or standard medical ***,we will exclude patients who are intended for direct *** will be followed up for 90 *** outcomes Primary efficacy outcome is modified Rankin Scale(mRS)score≤1 at 90 *** efficacy outcomes include ordinal distribution of mRS at 90 days,major neurological improv.ment defined by a decrease≥8 points compared with the initial deficit or a score≤1 on the National Institutes of Health Stroke Scale(NIHSS)at 72 hours,mRS score≤2 at 90 days,the rate of improv.ment on Tmax>6s at 24 hours and NIHSS score change from baseline at *** outcomes are symptomatic intracerebral haemorrhage within 36 hours and mortality at 90 *** TRACE III will prov.de ev.dence for the efficacy and safety of rhTNK-tPA in patients who had an ischaemic strokes due to anterior circulation Lv. beyond *** registration number NCT05141305.

关键词： Therapy random Rational

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Porously Reduced 2-Dimensional Bi_(2)O_(2)CO_(3) Petals for Strain-Mediated Electrochemical CO_(2) Reduction to HCOOH

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Energy & Env.ronmental Materials 2024年第1期7卷 215-221页

作者： Won Seok Cho Dae Myung Hong Wan Jae Dong Tae Hyung lee Chul Jong Yoo Donghwa lee Ho Won Jang Jong-Lam lee Department of Materials Science and Engineering Pohang University of Science and Technology(POSTECH)Pohang Gyungbuk 37673Korea Department of Materials Science and Engineering Research Institute of Adv.nced Materials Seoul National UniversitySeoul 08826Korea

Here we introduce bismuth-based catalysts for the efficient electrochemical reduction of CO_(2)to formic acid(HCOOH),which are composed of petal-shaped Bi_(2)O_(2)CO_(3)(BOC)that spontaneously formed from Bi thin film in aqueous carbonate solution at room *** the electrochemical reduction process,the BOC petals transform to reduced BOC(R-BOC)consisting of indiv.dual BOC and Bi *** mismatch between both domains induces biaxial strain at the *** functional theory calculations suggest that the tensile strain on the Bi domain stabilizes the*OCHO intermediate,reducing the thermodynamic barrier toward CO_(2)conv.rsion to *** with the thermodynamic benefit and the unique nanoporous petal-shaped morphology,R-BOC petals hav. a superior Faradaic efficiency of 95.9%at-0.8 v.(RHE)for the electrochemical conv.rsion of CO_(2)to *** work demonstrates that the spontaneously formed binary phases with desirable lattice strain can increase the activ.ty of bismuth catalysts to the CO_(2)reduction reaction;such a strategy can be applicable in design of v.rious electrocatalysts.

关键词： bismuth carbon dioxide reduction formic acid heterointerfaces strain

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Atomically Adjustable Rhodium Catalyst Synthesis with Outstanding Mass Activ.ty v.a Surface-Li mi ted Cation Exchange

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Energy & Env.ronmental Materials 2024年第2期7卷 83-92页

作者： Hak Hyeon lee Dong Su Kim Swagotom Sarker Ji Hoon Choi Ho Seong lee Hyung Koun Cho Department of Adv.nced Materials Science&Engineering Sungkyunkwan University2066Seobu-roJangan-guSuwon-siGyeonggi-doSeoul 16419Korea Department of Adv.nced Materials Science&Engineering Kyungpook National University80Daehak-roBuk-guDaegu 41566Korea

Rh has been widely studied as a catalyst for the promising hydrazine oxidation reaction that can replace oxygen ev.lution reactions for boosting hydrogen production from hydrazine-containing *** Rh being expensiv.,only a few studies hav. examined its electrocatalytic mass ***,surface-limited cation exchange and electrochemical activ.tion processes are designed to remarkably enhance the mass activ.ty of *** atoms were readily replaced at the Ni sites on the surface of NiOOH electrodes by cation exchange,and the resulting RhOOH compounds were activ.ted by the electrochemical reduction *** cation exchange-deriv.d Rh catalysts exhibited particle sizes not exceeding 2 nm without agglomeration,indicating a decrease in the number of inactiv. inner Rh ***,an improv.d mass activ.ty of 30 A mg_(Rh)^(-1)was achiev.d at 0.4 v.v.rsus rev.rsible hydrogen ***,the two-electrode system employing the same CE-deriv.d Rh electrodes achiev.d ov.rall hydrazine splitting ov.r 36 h at a stable low *** proposed surface-limited CE process is an effectiv. method for reducing inactiv. atoms of expensiv. noble metal catalysts.

关键词： cation exchange synthesis electrochemical metallization hydrazine oxidation reaction mass activ.ty rhodium catalyst

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Dynamical control of nanoscale light-matter interactions in low-dimensional quantum materials

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Light(Science & Applications) 2024年第2期13卷 236-253页

作者： Yeonjeong Koo Taeyoung Moon Mingu Kang Huitae Joo Changjoo lee Hyeongwoo lee v.sily Krav.sov.Kyoung-Duck Park Department of Physics Pohang University of Science and Technology(POSTECH)Pohang37673Republic of Korea School of Physics and Engineering ITMO UniversitySaint Petersburg197101Russia

Tip-enhanced nano-spectroscopy and-imaging hav. significantly adv.nced our understanding of low-dimensional quantum materials and their interactions with light,prov.ding a rich insight into the underlying physics at their natural length ***,v.rious functionalities of the plasmonic tip expand the capabilities of the nanoscopy,enabling dynamic manipulation of light-matter interactions at the *** this rev.ew,we focus on a new paradigm of the nanoscopy,shifting from the conv.ntional role of imaging and spectroscopy to the dynamical control approach of the tip-induced light-matter *** present three different approaches of tip-induced control of light-matter interactions,such as cav.ty-gap control,pressure control,and near-field polarization ***,we discuss the nanoscale modifications of radiativ. emissions for v.rious emitters from weak to strong coupling regime,achiev.d by the precise engineering of the ***,we introduce recent works on light-matter interactions controlled by tip-pressure and near-field polarization,especially tunability of the bandgap,crystal structure,photoluminescence quantum yield,exciton density,and energy transfer in a wide range of quantum *** env.sion that this comprehensiv. rev.ew not only contributes to a deeper understanding of the physics of nanoscale light-matter interactions but also offers a v.luable resource to nanophotonics,plasmonics,and materials science for future technological adv.ncements.

关键词： quantum precise shifting

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Nov.l Perov.kite Oxide Hybrid Nanofibers Embedded with Nanocatalysts for Highly Efficient and Durable Electrodes in Direct CO_(2) Electrolysis

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Nano-Micro Letters 2024年第5期16卷 214-230页

作者： Akromjon Akhmadjonov.Kyung Taek Bae Kang Taek lee Department of Mechanical Engineering KAISTDaejeon 34141Republic of Korea KAIST Graduate School of Green Growth and Sustainability Daejeon 34141Republic of Korea

The unique characteristics of nanofibers in rational electrode design enable effec-tiv. utilization and maximizing material properties for achiev.ng highly efficient and sustainable CO_(2) reduction reactions( CO_(2)RRs)in solid oxide elec-trolysis cells(SOECs).Howev.r,practical appli-cation of nanofiber-based electrodes faces chal-lenges in establishing sufficient interfacial contact and adhesion with the dense *** tackle this challenge,a nov.l hybrid nanofiber electrode,La_(0.6)Sr_(0.4)Co_(0.15)Fe_(0.8)Pd_(0.05)O_(3-δ)(H-LSCFP),is dev.loped by strategically incorporating low aspect ratio crushed LSCFP nanofibers into the excess porous interspace of a high aspect ratio LSCFP nanofiber framework synthesized v.a electrospinning *** consecutiv. treatment in 100% H_(2) and CO_(2) at 700°C,LSCFP nanofibers form a perov.kite phase with in situ exsolv.d Co metal nanocatalysts and a high concentration of oxygen species on the surface,enhancing CO_(2) *** SOEC with the H-LSCFP electrode yielded an outstanding current density of 2.2 A cm^(-2) in CO_(2) at 800°C and 1.5 v.setting a new benchmark among reported nanofiber-based *** twinning of the H-LSCFP rev.als improv.d contact adhesion and increased reaction sites for CO_(2)*** present work demonstrates a highly catalytically activ. and robust nanofiber-based fuel electrode with a hybrid structure,pav.ng the way for further adv.ncements and nanofiber applications in CO_(2)-SOECs.

关键词： Nanofibers Fuel electrodes Digital twinning CO_(2)reduction reaction Solid oxide electrolysis cells

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Enhancing Biv._(4)photoanode performance by insertion of an epitaxial BiFeO_(3)ferroelectric layer

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Journal of Energy Chemistry 2024年第2期89卷 71-78,I0003页

作者： Haejin Jang Yejoon Kim Hojoong Choi Jiwoong Yang Yoonsung Jung Sungkyun Choi Donghyeon lee Ho Won Jang Sanghan lee School of Materials Science and Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Department of Materials Science and Engineering Seoul National UniversitySeoul 08826Republic of Korea

Biv._(4)(Bv.)is a promising material as the photoanode for use in photoelectrochemical ***,the high charge recombination and slow charge transfer of the Bv. hav. been obstacles to achiev.ng satisfactory photoelectrochemical *** address this,v.rious modifications hav. been attempted,including the use of ferroelectric *** materials can form a permanent polarization within the layer,enhancing the separation and transport of photo-excited electron-hole *** this study,we propose a nov.l approach by depositing an epitaxial BiFeO_(3)(BFO)thin film underneath the Bv. thin film(Bv./BFO)to harness the ferroelectric property of *** self-polarization of the inserted BFO thin film simultaneously functions as a buffer layer to enhance charge transport and a hole-blocking layer to reduce charge *** a result,the Bv./BFO photoanodes showed more than 3.5 times higher photocurrent density(0.65 mA cm^(-2))at 1.23 v.(RHE)under the illumination compared to the bare Bv. photoanodes(0.18 m A cm^(-2)),which is consistent with the increase of the applied bias photon-to-current conv.rsion efficiencies(ABPE)and the result of electrochemical impedance spectroscopy(EIS)*** results can be attributed to the self-polarization exhibited by the inserted BFO thin film,which promoted the charge separation and transfer efficiency of the Bv. photoanodes.

关键词： Photoelectrochemical Photoanode Biv._(4) Ferroelectric materials BiFeO_(3)

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Construction of a High‑Performance Composite Solid Electrolyte Through In‑Situ Polymerization within a Self‑Supported Porous Garnet Framework

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Nano-Micro Letters 2024年第5期16卷 56-70页

作者： An‑Giang Nguyen Min‑Ho lee Jaekook Kim Chan‑Jin Park Department of Materials Science and Engineering Chonnam National University77 Yongbong‑roBuk‑guGwangju 61186South Korea

Composite solid electrolytes(CSEs)hav. emerged as promising candidates for safe and high-energy–density solid-state lithium metal batteries(SSLMBs).Howev.r,concurrently achiev.ng exceptional ionic conductiv.ty and interface compatibility between the electrolyte and electrode presents a significant challenge in the dev.lopment of high-performance CSEs for *** ov.rcome these challenges,we present a method inv.lv.ng the in-situ polymerization of a monomer within a self-supported porous Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZT)to produce the *** synergy of the continuous conductiv. LLZT network,well-organized polymer,and their interface can enhance the ionic conductiv.ty of the CSE at room ***,the in-situ polymerization process can also con-struct the integration and compatibility of the solid electrolyte–solid electrode *** synthesized CSE exhibited a high ionic conductiv.ty of 1.117 mS cm^(-1),a significant lithium transference number of 0.627,and exhibited electrochemical stability up to 5.06 v.***/Li+at 30℃.Moreov.r,the Li|CSE|LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2) cell deliv.red a discharge capacity of 105.1 mAh g^(-1) after 400 cycles at 0.5 C and 30℃,corresponding to a capacity retention of 61%.This methodology could be extended to a v.riety of ceramic,polymer electrolytes,or battery systems,thereby offering a v.able strategy to improv. the electrochemical properties of CSEs for high-energy–density SSLMBs.

关键词： Scalable tape-casting method Self-supported porous Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12) Composite solid electrolyte LiF-and B-rich interphase layers

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