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Science China Chemistry 2017年第9期60卷 1197-1204页

作者： Xiao-Jing Lv Ming-Shui Yao guan-e wang Yan-Zhou Li Gang Xu State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of Sciences University of Chinese Academy of Sciences Chinese Academy of Sciences

A new three-dimensional coordination polymer composed of Cu2+ centres and semiquinoid linkers (dhbq(2-)) was synthesized which was composed by two independent, enantiomeric, interpenetrated [Cu-2(dhbq)(3)](2-) networks with (10,3)-a topology. The compound has good water stability and typical behaviors of semiconductor, whose conductivity increases along with raising temperature. The chemiresistive humidity sensor made from this material shows good properties including linear sensitivity, high response, fast response and recovery, and particularly narrow hysteresis during humidity adsorption and desorption.

关键词： coordination polymer, chemiresistive humidity sensor, narrow hysteresis, fast response & recovery

Ferroelectric perovskite-type films with robust in-plane polarization toward efficient room-temperature chemiresistive sensing

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Fundamental Research 2023年第3期3卷 362-368页

作者： Shiguo Han guan-e wang Gang Xu Junhua Luo Zhihua Sun State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesNo.155 Yangqiao West RoadFuzhou 350002China Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China No.155 Yangqiao West RoadFuzhou 350002China University of Chinese Academy of Sciences Chinese Academy of SciencesNo.19A Yuquan RoadBeijing 100039China

Ferroelectric materials have become key components for versatile device applications,and their thin films are highly desirable for integrating the miniaturized *** substantial endeavors,it is still challenging to achieve effective chemiresistive sensing in the ferroelectric ***,for the first time,we have exploited ferroelectric thin films of 2D hybrid perovskite BA_(2)eA_(2)Pb_(3)I_(10)(1),to fabricate the high-performance chemiresistor gas *** spin-coated films of 1 exhibit high orientation and good crystallinity,thus preserving robust in-plane spontaneous polarization(P_(s)~2.0μC/cm^(2))and low electric ***,such ferroelectric filmbased sensors after electric poling enable the dramatic room-temperature sensing responses to NO_(2) gas,including high sensitivity(0.05 ppm^(-1)),extremely low detection limit(1 ppm)and fast responding rate(~6 s).Besides,the chemiresistive responses are remarkably enhanced by threefold(up to 320%)through electric *** is proposed that this behavior closely involves with strong in-plane ferroelectric polarization of 1 that generates a built-in electric field inhibiting the recombination of charge *** far as we know,this ferroelectric-based film chemiresisor is one of the best room-temperature sensors for NO_(2) gas among all the existing candidate *** findings highlight great potential of ferroelectrics toward effective chemiresistive performances,and also establish a bright direction to explore their future device applications.

关键词： Ferroelectric-based films Hybrid perovskite 2D quantum-well In-plane polarization Chemiresistive sensing

Construction of superhydrophobic MOF membrane for ultrafast alcohol-water separation

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Science Bulletin 2022年第23期67卷 2381-2383页

作者： guan-e wang Gang Xu State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou 350108China

Separation and purification play crucial roles in the oil and gas industry, which includes the most energy-intensive distillation process, accounting for 10%-15% of global energy use [1,2]. Membrane-based separation has emerged as a promising alternative method because of its innate advantage of low energy consumption [3-5]. The difference in the molecular size between the target molecule and the impurity can be as small as a few angstroms(0.1 nm), which requires precise control of the membrane pore size at the subnanometer scale and thus, is extremely difficult [6].

关键词： precise distillation separation

enhanced room temperature gas sensing performance of ZnO with atomic-level Pt catalysts facilitated by the polydopamine mediator

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Chinese Journal of Structural Chemistry 2023年第6期42卷 15-21页

作者： Qian Liu Yingyi Wen Jian-Ze Xiao Shao-Zhen Luo guan-e wang Peng-Yi Tang Xiao-Liang Ye Gang Xu College of Chemistry and Materials Science Fujian Normal UniversityFuzhou350007China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of Sciences(CAS)Fuzhou350002China Shanghai Institute of Microsystem and Information Technology Chinese Academy of Science(CAS)Changning DistrictShanghai200050China

The poor sensitivity of metal-oxide(MO)sensing material at room temperature can be enhanced by the modi-fication of noble metal ***,the large size and uncontrollable morphology of metal nanoparticles(NPs)compromise the catalytic activity and *** metal NPs to the atomic level is a promising solution because it offers high activity and ***,a facile and universal approach for stable loading atomic-level metal on MO-based sensing materials is still ***,we present a strategy to construct synergetic coordination interface for uniform loading of atomic-level metal catalysts on MO-based gas-sensing materials using a difunctional mediator *** this work,atomically dispersed Pt catalysts are coor-dinately anchored on ZnO nanorods(NRs)using polydopamine(PDA)as a *** a result,compared with pristine ZnO NRs,a six-fold enhanced response of 18,489%is achieved toward 100 ppm NO_(2)on 0.20 wt%Pt-ZnO@PDA-1.5 nm,and the selectivity is also *** sensitivity is higher than that of most reported noble metal-modified MO NO_(2)-sensing *** work provides a simple and general strategy for building highly sensitive and selective gas-sensing materials using atomic-level noble metal catalyst.

关键词： Atomic-level metal catalysts ZnO nanorods Polydopamine Gas sensing NO_(2)

Layer-by-layer assembled dual-ligand conductive MOF nano-films with modulated chemiresistive sensitivity and selectivity

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Nano Research 2021年第2期14卷 438-443页

作者： Ai-Qian Wu Wen-Qing wang Hong-Bin Zhan Lin-An Cao Xiao-Liang Ye Jia-Jia Zheng Pendyala Naresh Kumar Kashi Chiranjeevulu Wei-Hua Deng guan-e wang Ming-Shui Yao Gang Xu College of Materials Science and engineering Fuzhou UniversityFuzhou 350108China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Institute for Integrated Cell-Material Sciences(WPI-iCeMS) Kyoto University Institute for Advanced StudyKyoto UniversityYoshida Ushinomiya-choSakyo-kuKyoto 606-8501Japan

In this paper,a dual-ligand design strategy is demonstrated to modulate the performance of the electronically conductive metalorganic frameworks(eC-MOFs)thin film with a spray layer-by-layer assembly *** thin film not only can be precisely prepared in nanometer scale(20-70 nm),but also shows the pin-hole-free smooth *** high quality nano-film of 2,3,6,7,10,11-hexaiminotriphenylene(HITP)doped Cu-HHTP enables the precise modulation of the chemiresistive sensitivity and *** improvement over 220%were realized for benzene ***3>as well as enhanced response and recovery *** addition,the selectivity of the eC-MOF thin film sensors toward other gases(***,methane,ethylbenzene,hydrogen,butanone,and acetone)***3 at room temperature is also discussed.

关键词： metal-organic frameworks electronic conductivity dual-ligand thin films gas sensors

Semiconductive 3-D Inorganic–Organic Hybrid Open Frameworks with High Color Rendering Index White-Light emission

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Semiconductive 3-D Inorganic–Organic Hybrid Open Frameworks...

1D p-type molecular-based coordination polymer semiconductor with ultrahigh mobility

中国化学会第九届全国无机化学学术会议

作者： guan-e wang Gang Xu State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences

Multi-functional material possessing both luminescent and semiconductive properties has played critical role in solid-state lighting（SSL） technique.1 The material with good electrical properties will enable to convert electricity to light in much higher efficiency and smaller device than conventional incandescent or fluorescent lighting source. To realize white-light luminescence is the key step for SSL to alternate conventional lighting and display system. Single-component strategy is an alternative strategy to generate white-light luminescence.2 It can overcome the drawbacks in multi-component strategy and has advantages such as improved stability, easier fabrication process, and better color reproducibility. In white light emission, color rendering index（CRI） is a very important parameter of SSL device and full-color display system. It describes how well a light source renders the colors of the object comparing to an incandescent light or daylight. Single-component white light materials may create great opportunity for novel conventional lighting industry and display system;however, the reported color rendering index（CRI） values of them, one of the key parameters for lighting, are less than 90, which does not satisfy the demand in color-critical upmarket applications, such as photography, cinematography, and art galleries. In this work, two semiconductive haloplumbate hybrids, obtained by a new inorganic–organic hybrid strategy, show unprecedented 3-D inorganic open framework structures and white-light-emitting properties with high CRI values in the 90 range, one of which shows the highest value to date.

关键词： inorganic-organic hybrid white-light emission CRI SSL

来源： cnki会议评论

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Science Bulletin 2024年第17期69卷 2705-2711页

作者： Chenhui Yu Xinxu Zhu Kefeng Li guan-e wang Gang Xu State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Science&Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou 350108China University of Chinese Academy of Sciences Beijing 100049China

One-dimensional(1D)semiconductor nanostructures exhibit exceptional performance in mitigating short-channel effects and ensuring low power ***,the scarcity of high-mobility ptype 1D materials impedes further ***-based materials offer high designability in structure and properties,making them a promising candidate for 1D p-type semiconductor materials.A molecular-based 1D p-type material was developed under the guidance of coordination ***-HT(HT is the abbreviation of p-hydroxy thiophenol)combines the merits of highly orbital overlap between Cu and S,fully covered surface modification with phenol functional groups,and unique cuprophilic(Cu-Cu)*** such,Cu-HT has a remarkable hole mobility of 27.2 cm2V-1s-1,which is one of the highest reported values for 1D molecular-based materials to date and even surpass those of commonly used amorphous silicon as well as the majority of 1D inorganic *** achievement underscores the significant potential of coordination polymers in optimizing carrier transport and represents a major advancement in the synthesis of high-performance,1D p-type semiconductor materials.?2024 Science China *** by elsevier *** Science China *** rights are reserved.

关键词： Molecular-basedmaterials Hole mobility Coordinationpolymer Field-effecttransistors

Single-Component MLCT-Active Photodetecting Material Based on a Two-Dimensional Coordination Polymer

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CCS Chemistry 2020年第1期2卷 655-662页

作者： Qing-Qing Huang Yan-Zhou Li Zhi Zheng Xiao-Ming Jiang Shan-Shan Sun Hui-Jie Jiang Wei-Hua Deng guan-e wang Tian-You Zhai Ming-De Li Gang Xu State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of Sciences(CAS)FuzhouFujian 350002(China) University of Chinese Academy of Sciences(UCAS) Beijing 100049(China) State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and Technology(HUST)Wuhan 430074(China) Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of guangdong Province Shantou UniversityShantou 515063(China)

Conductive coordination polymers(CCPs)have shown great potential for electronic ***,their applications in photodetection have been limited by poor sensitivity,low on/off current ratio,and slow response owing to the low charge generation and/or separation *** this work,metal-to-ligand chargetransfer(MLCT)in PhSeAg was used to fabricate a single-component MLCT photodetecting material for the first time to solve the above *** material obtained possesses ultrahigh sensitivity to weak-light intensity(0.03 mW cm^(−2)),the highest on/off ratio,and the fastest response speed than other wellknown CCPs materials *** work might provide a simple but common strategy for designing high-performance CCPs composites for optoelectrical applications.

关键词： coordination polymer metal-organic chalcogenide metal-to-ligand charge transfer semiconductor optoelectronic material

Decreased levels of phosphorylated synuclein in plasma are correlated with poststroke cognitive impairment

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Neural Regeneration Research 2025年第9期20卷 2598-2610页

作者： Yi wang Yuning Li Yakun Gu Wei Ma Yuying guan Mengyuan Guo Qianqian Shao Xunming Ji Jia Liu Department of Clinical Laboratory Beijing Bo’ai HospitalChina Rehabilitation Research CenterCapital Medical UniversityBeijingChina Beijing Institute of Brain Disorders Laboratory of Brain DisordersMinistry of Science and TechnologyCollaborative Innovation Center for Brain DisordersBeijing Advanced Innovation Center for Big Data-based Precision MedicineCapital Medical UniversityBeijingChina Department of Neurosurgery Xuanwu HospitalCapital Medical UniversityBeijingChina

Poststro ke cognitive impairment is a major secondary effect of ischemic stroke in many patients;however,few options are available for the early diagnosis and treatment of this *** aims of this study were to(1)determine the specific relationship between hypoxic andα-synuclein during the occur of poststroke cognitive impairment and(2)assess whether the serum phosphorylatedα-synuclein level can be used as a biomarker for poststro ke cognitive *** found that the phosphorylatedα-synuclein level was significantly increased and showed pathological aggregation around the cerebral infa rct area in a mouse model of ischemic *** addition,neuronalα-synuclein phosphorylation and aggregation were observed in the brain tissue of mice subjected to chronic hypoxia,suggesting that hypoxia is the underlying cause ofα-synuclein-mediated pathology in the brains of mice with ischemic *** phosphorylatedα-synuclein levels in patients with ischemic stroke were significantly lower than those in healt hy subjects,and were positively correlated with cognition levels in patients with ischemic ***,a decrease in serum high-density lipoprotein levels in stroke patie nts was significantly correlated with a decrease in phosphorylatedα-synuclein *** ischemic stroke mice did not show significant cognitive impairment or disrupted lipid metabolism 14 days after injury,some of them exhibited decreased cognitive function and reduced phosphorylatedα-synuclein *** together,our results suggest that serum phosphorylatedα-synuclein is a potential biomarker for poststroke cognitive impairment.

关键词： biomarker high-density lipoprotein ischemic stroke phosphorylatedα-synuclein poststroke cognitive impairment

Haloplumbate Hybrids with Organically Coordinated Halometal Complexes as Templates and Mixed Halo Atoms:Solvothermal Syntheses,Crystal Structures,and Optical Properties

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Haloplumbate Hybrids with Organically Coordinated Halometal ...