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Optical Properties, Electronic Energy Level Structure and Electroluminescent Characteristics of Salicylaldehyde Anil Zinc

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Journal of Materials Science & Technology 2006年第2期22卷 225-229页

作者： yuying hao Bingshe XU Zhixiang GAO Hua WANG Hefeng ZHOU Xuguang LIU Department of Physics Taiyuan University of Technology Taiyuan 030024 China College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China College of Chemical Engineering and Technology Taiyuan University of Technology Taiyuan 030024 China

A new electroluminescent material, salicylaldehyde anil zinc （SAZ） was synthesized, which can form high quality, thermal stability, nano-scale amorphous films by vacuum evaporation. Its structure, thermal stability were characterized by infrared （IR） spectra, differential thermal analysis-thermogravimetry （DTA-TG） analysis, respectively. The optical properties of SAZ were investigated by UV absorption spectra, Photoluminescence （PL） excitation and emission spectra. The highest occupied molecular orbits （HOMO）, lowest unoccupied molecular orbits （LUMO） and optical band gap were evaluated by cyclic voltammetry curve and optical absorption band edge. The electroluminescent devices using SAZ as the emissive layer emit green light with a peak wavelength at 509 nm and a brightness of about 3.1 cd/m^2.

关键词： Salicylaldehyde anil zinc Optical properties Electronic energy level structure Electroluminescence

Efficiency enhancement of perovskite solar cells via electrospun CuO nanowires as buffer layers

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Efficiency enhancement of perovskite solar cells via electro...

第五届新型太阳能电池学术研讨会

作者： Qinjun Sun Shaolong Zhou yuying hao Key Laboratory of Advanced Transducers and Intelligent Control System Ministry of Education Shanxi Province College of Physics and Optoelectronics Taiyuan University of Technology

CuO nanowires(NWs) with the diameters range from 130 nm to 275 nm have been successfully prepared by electrospinning and calcination technique. Inverted planar heterojunction perovskite solar cells(PSCs) with the structure of ITO/CuO NWs/PEDOT:PSS/CHNHPbI/PCBM/Bphen/Ag were fabricated and a best power conversion efficiency(PCE) of 16.87% was obtained under standard AM 1.5 G simulated solar irradiation, with an average increase of about 21 % compared with that of the control PSCs without CuO NWs. By compared with ZnO NWs with the same diameters and quantitative analysis based on a simple model, we concluded that the improvement of PCE by about 13% can be ascribed to the increase of the PEDOT:PSS/CHNHPbI interface area, and the remaining increase of 8% attributed to the higher hole mobility of CuO NWs/PEDOT:PSS composite film.

关键词： perovskite solar cell CuO nanowires electrospin

Research Progress on Career Development of Nursing Staff

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Journal of Clinical and Nursing Research 2024年第5期8卷 180-187页

作者： Jie Liu yuying hao Rui Song Li Cao Can Deng School of Nursing Shaanxi University of Traditional Chinese MedicineXianyang 712046Shaanxi ProvinceChina Department of Nursing Affiliated Hospital of Shaanxi University of Traditional Chinese MedicineXianyang 712000Shaanxi ProvinceChina

There are few studies on career development as an exclusive concept in the field of nursing in ***,research related to the career development of nursing staff primarily relies on inductive evaluation tools,and there is less systematic summarization of this *** paper reviews the concept,evaluation tools,and influencing factors of nursing career development,aiming to provide a reference for future research in this area.

关键词： Career development Nursing staff Summary

Surface Plasmon Assisted Organic Photovoltaic Cells

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Surface Plasmon Assisted Organic Photovoltaic Cells

第三届新型太阳能电池学术研讨会

作者： Yanxia Cui yuying hao Peiqian Tong Fan Yang Yang hao Furong Zhu Key Laboratory of Advanced Transducers and Intelligent Control System (Ministry of Education) Taiyuan University of Technology Department of Physics and Institute of Advanced Materials Hong Kong Baptist University

Organic photovoltaic(OPV)cells have been thoroughly investigated in the past decade owing to the advantages of low cost,flexibility,light weight,easy fabrication,semi-transparency and colorfulness,*** the efficiency o...

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Meta-Analysis of the Effect of the Escape Room Teaching Method on Nursing Education

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Journal of Clinical and Nursing Research 2023年第4期7卷 170-178页

作者： Xin Yang yuying hao Shanhong Fan Lina Zhang Rui Song Jie Liu Mei Bian School of Nursing Shaanxi University of Traditional Chinese MedicineXianyang 712046Shaanxi ProvinceChina Affiliated Hospital of Shaanxi University of Chinese Medicine Xianyang 712000Shaanxi ProvinceChina The Second Affiliated Hospital of Air Force Military Medical University Xi’an 710038Shaanxi ProvinceChina

Objectives:A meta-analysis was conducted to systematically evaluate the effect of the escape room teaching method on nursing ***:We searched PubMed,Medline,Web of Science,CNKI,VIP,and Wanfang databases,with a search time frame from the first day of database establishment to October *** researchers evaluated the quality of the obtained literature and extracted the *** RevMan5.4 software was used for ***:A total of 7 studies involving 1487 nursing students were *** with the control group,the escape room teaching method improved the professional performance of nursing students[standardized mean difference(SMD)=0.98,95%confidence interval(CI;0.38,1.59),P<0.0001].The critical thinking ability of nursing students was enhanced[mean difference(MD)=12.64,95%CI(7.91,17.37),P<0.0001],and the investment level of nursing students in learning was improved[MD=4.18,95%CI(1.74,6.62),P<0.0001].Conclusion:The escape room teaching method can improve nursing students’professional performance,critical thinking ability,and learning engagement *** is no significant difference in the impact of nursing teaching satisfaction,and there is still a lack of data *** paper is limited by the quality and quantity of included literature,and more high-quality studies are still needed to further demonstrate the above conclusions.

关键词： Escape room Nursing education Meta-analysis

Passivation of degradation path enables high performance perovskite nanoplatelet lasers with high operational stability

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Photonics Research 2022年第6期10卷 1440-1452页

作者： GUOHUI LI HUIHUI PI YANFU WEI BOLIN ZHOU YA GAO RONG WEN yuying hao HAN ZHANG BENG S.ONG YANXIA CUI College of Physics and Optoelectronics Key Laboratory of Interface Science and Engineering in Advanced MaterialsKey Laboratory of Advanced Transducers and Intelligent Control System of Ministry of EducationTaiyuan University of TechnologyTaiyuan 030024China Collaborative Innovation Centre for Optoelectronic Science and Technology Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen Key Laboratory of Micro-Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy(SZ)Shenzhen UniversityShenzhen 518060China Department of Chemistry Research Centre of Excellence for Organic ElectronicsInstitute of Advanced MaterialsHong Kong Baptist UniversityKowloon TongHong KongChina

MAPbI_(3)perovskite has attracted widespread interests for developing low-cost near infrared semiconductor gain ***,it faces the instability issue under operation conditions,which remains a critical *** is found that the instability of the MAPbI_(3)nanoplatelet laser comes from the thermal-induced degradation progressing from the surface defects towards neighboring *** using PbI_(2) passivation,the defect-initiated degradation is significantly suppressed and the nanoplatelet degrades in a layer-by-layer way,enabling the MAPbI_(3)laser to sustain for 4500 s(2.7×10^(7) pulses),which is nearly three times longer than that of the nanoplatelet laser without ***,the PbI_(2) passivated MAPbI_(3)nanoplatelet laser with the nanoplatelet cavity displays a maximum quality factor up to∼7800,the highest reported for all MAPbI_(3)nanoplatelet ***,a high stability MAPbI_(3)nanoplatelet laser that can last for 8500 s(5.1×10^(7) pulses)is demonstrated based on a dual passivation strategy,by retarding the defect-initiated degradation and surface-initiated degradation *** work provides in-depth insights for understanding the operating degradation of perovskite lasers,and the dual passivation strategy paves the way for developing high stability near infrared semiconductor laser media.

关键词： stability initiated high

Carbazole-Based Hole Transport Material for Efficient Perovskite Solar Cells

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Carbazole-Based Hole Transport Material for Efficient Perovs...

第三届新型太阳能电池学术研讨会

作者： Hui Li Zhanfeng Li Jingkun Ren Xiang Lv yuying hao Academy of Physics and Optoelectronic Engineering Taiyuan University of Technology

A novel small-molecule hole transporting material(HTM) 9-ethyl-1,3,6-tri(3,4,5-trimethoxybenzene)carbazole(Cz-3PhOMe) has been *** experimental HOMO(-5.25 eV) and LUMO(-2.00 eV) are in excellent agreement with the calculated *** HOMO level of Cz-3PhOMe is revealed to be very comparable to that of conventional spiro-OMe TAD(-5.22 eV),which is well matched with that of perovskite material CHNHPbI(-5.43 eV).Advantages such as easy synthesis,low cost and relatively good properties of the Cz-3PhOMe material exhibit a possibility for efficient perovskite solar cells.

关键词： Perovskite solar cells Hole transport material Carbazole

High detectivity photodetectors based on perovskite nanowires with suppressed surface defects

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Photonics Research 2020年第12期8卷 1862-1874页

作者： GUOHUI LI RUI GAO YUE HAN AIPING ZHAI YUCHENG LIU YUE TIAN BINING TIAN yuying hao SHENGZHONG LIU YUCHENG WU YANXIA CUI College of Physics and Optoelectronics Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of EducationKey Laboratory of Interface Science and Engineering in Advanced Materials of Ministry of EducationTaiyuan University of TechnologyTaiyuan 030024China Key Laboratory of Applied Surface and Colloid Chemistry MOEShaanxi Key Laboratory for Advanced Energy DevicesShaanxi Engineering Laboratory for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi’an 710119China Dalian National Laboratory for Clean Energy iChEMDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China University of Chinese Academy of Sciences Beijing 100049China

Solution-processable,single-crystalline perovskite nanowires are ideal candidates for developing low-cost photodetectors,but their detectivities are limited due to a high level of unintentional *** the surfaceinitiated solution-growth method,we fabricated high-quality,single-crystalline,defects-suppressed MAPbI_(3) nanowires,which possess atomically smooth side surfaces with a surface roughness of 0.27 nm,corresponding to a carrier lifetime of 112.9 *** forming ohmic MAPbI_(3)∕Au contacts through the dry contact method,highperformance metal–semiconductor–metal photodetectors have been demonstrated with a record large linear dynamic range of 157 dB along with a record high detectivity of 1.2×10^(14) Jones at an illumination power density of 5.5 nW∕cm^(2).Such superior photodetector performance metrics are attributed to,first,the defects-suppressed property of the as-grown MAPbI_(3) nanowires,which leads to a quite low noise current in the dark,and second,the ohmic contact between MAPbI_(3) and Au interfaces,which gives rise to an improved responsivity compared with the Schottky contact *** realized high-performance MAPbI_(3) nanowire photodetector advances the development of low-cost photodetectors and has potential applications in weak-signal photodetection.

关键词： nanowires perovskite surface

Spray-Coated Silver Nanowires as Top Electrode in Semitransparent Perovskite Solar Cell Devices

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Spray-Coated Silver Nanowires as Top Electrode in Semitransp...

第四届新型太阳能电池学术研讨会

作者： Kang Han Meng-Lan Xie Qun Luo yuying hao Chang-Qi Ma Printable Electronics Research Center Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of Sciences College of physics and optoelectronics Taiyuan University of Technology

Inorganic–organic halide perovskite solar cells have recently emerged as a promising photovoltaic technology due to their high efficiencies and low-cost processing *** perovskite solar cells have been simultaneously received growing attention because of their specific application in transparent architectures, such as windows, rooftops, greenhouses and other fashion *** this work, we fabricated semitransparent perovskite solar cells using spray-coated silver nanowires(Ag NWs) as top *** power conversion efficiency(PCE) of 12.0% was achieved under AM 1.5 100 mW cm illumination which corresponds to 80% of the reference devices with reflective opaque *** result indicated that high performance semitransparent perovskite solar cells could be achieved by a simple and low-cost spray-coated silver nanowires.

关键词： Spray-Coating Silver nanowires electrode Perovskite solar cells Semitransparent