|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Land use change of Kitakyushu based on landscape ecology and Markov model显示文摘基于在 1990, 1995, 2000 和 2005 获得的 TM 图象的四个阶段,这篇论文作为案例研究在日本拿了 Kitakyushu 在风景生态学 theo | GUAN Dongjie GAO Weijun WATARI Kazuyuki FUKAHORI Hidetoshi | 2008 | Journal of Geographical Sciences2008，18，4： | 36 |
| 2 | Exploring atmospheric free-radical chemistry in China:the self-cleansing capacity and the formation of secondary air pollution显示文摘Since 1971,it has been known that the atmospheric free radicals play a pivotal role in maintaining the oxidizing power of the troposphere.The existence of the oxidizing power is an important feature of the troposphere to remove primary air pollutants emitted from human beings as well as those from the biosphere.Nevertheless,serious secondary air-pollution incidents can take place due to fast oxidation of the primary pollutants.Elucidating the atmospheric free-radical chemistry is a demanding task in the field of atmospheric chemistry worldwide,which includes two kinds of work:first,the setup of reliable radical detection systems;second,integrated field studies that enable closure studies on the sources and sinks of targeted radicals such as OH and NO3.In this review,we try to review the Chinese efforts to explore the atmospheric free-radical chemistry in such chemical complex environments and the possible link of this fast gas-phase oxidation with the fast formation of secondary air pollution in the city-cluster areas in China. | Keding Lu Song Guo Zhaofeng Tan Haichao Wang Dongjie Shang Yuhan Liu Xin Li Zhijun Wu Min Hu Yuanhang Zhang | 2019 | National Science Review2019，6，3： | 26 |
| 3 | Structural Analyses of Short-Chain Prenyltransfemses Identify an Evolutionarily Conserved GFPPS Clade in Brassicaceae Plants显示文摘Terpenoids 是专业化植物的代谢物的最大、很多样的类,它在植物开发期间在多样的生理的进程工作。在植物 terpenoids 的生合成,短链的 prenyltransferases (SC 磅) 和萜烯 synthases (TPS ) ,在决定 terpenoid 的 playcritical 角色差异。有不同的链长度的 SC 磅 biosynthesize prenyl 焦磷酸盐,和这些混合物是 terpenoids 的直接先锋。Arabidopsis thaliana 拥有其功能清楚地不被知道的 SC 磅的亚群。在这研究,我们集中于 10 geranylgeranyl 焦磷酸盐象 synthase 一样[GGPPSL ] 蛋白质,它通常被认为生产 GGPP [C20 ] 。我们发现 Arabidopsis GGPPSL 基因家庭的成员的一个子集经历了 neo-functionalization:GGPPSL6, 7, 9,和 10 主要举办 geranylfarnesyl 焦磷酸盐 synthase 活动(C25;renamedAtGFPPS1, 2, 3,和 4 ) ,并且 GGPPSL8 生产甚至更长的链 prenyl 焦磷酸盐(≥C30;renamedpolyprenyl 焦磷酸盐 synthase 2, AtPPPS2 ) 。由解决 AtGFPPS2, AtPPPS2,和 AtGGPPS11 的水晶结构,我们揭示 SC 磅的产品链长度决心机制并且作为 “three floors” 解释它当模特儿。用这个模型,我们识别了在 Brassicaceae 植物散布并且发现 GFPPS 基因典型地与编码 TPS 的基因一起发生的新奇 GFPPS clade,形成 GFPPS-TPS 基因簇。 | ChengyuanWang Qingwen Chen Dongjie Fan Jianxu Li Guodong Wang Peng Zhang | 2016 | Molecular Plant2016，9，2： | 19 |
| 4 | Measurement and Correlation of Pressure Drop for Gas-Liquid Two-phase Flow in Rectangular Microchannels显示文摘The pressure drop of gas-liquid two-phase flow in microchannel is of fundamental importance in heat and mass transfer processes. In this work,the pressure drop of gas-liquid two-phase flow in horizontal rectangular cross-section microchannels was measured by a pressure differential transducer system. Water,ethanol and n-propanol were used as liquid phase to study the effects of capillary number on pressure drop;air was used as the gas phase. Four microchannels with various dimensions of 100 μm× 200 μm,100 μm× 400 μm,100 μm× 800 μm and 100 μm× 2000 μm(depth × width) were used for determining the influence of configuration on the pressure drop. Experimental results showed that in micro-scale,the capillary number also affected the pressure drop remarkably,and in spite of only one-fold difference in aspect ratio,the variation of pressure drop reached up to near three times under the same experimental conditions. Taking the effects of aspect ratio and surface tension into account,a modi-fied correlation for Chisholm parameter C in the Chisholm model was proposed for predicting the frictional multi-plier,and the predicted values by the proposed correlation showed a satisfactory agreement with experimental data. | MA Youguang JI Xiyan WANG Dongji FU Taotao ZHU Chunying | 2010 | Chinese Journal of Chemical Engineering2010，18，6： | 16 |
| 5 | Influence of different mining layouts on the mechanical properties of coal显示文摘Non-pillar mining,top-coal caving and protected coal seam mining are the most popular mining methods in coal exploitation,and the different mining layouts will change the stress state and failure mechanism of coal in front of the working face.In this paper,mining-induced mechanical behaviors under three mining layouts have been simulated in the laboratory to investigate the effects of mining layouts on the deformation and strength of coal.Furthermore,the coal failure mechanism under different mining layouts is analyzed microscopically.The experimental results indicate that the stage characteristics of the coal deformation are obvious.Under the serial action of non-pillar mining,top-coal caving and protected coal seam mining layouts,the values of radial deformation,volume strain and Poisson's ratio increase,while the peak strength and deformation modulus decrease at the same buried depth,and the peak strength under non-pillar mining,top-coal caving and protected coal seam mining is about 3.0,2.5 and 2.0 times of the initial confining pressure,respectively.The results also indicate that the trend of the coal deformation decreases with the increase of the buried depth under the same mining layout,while the strength and deformation modulus increase,and the failure mechanism under three mining layouts is dominated with shear/tensile failure. | Xie Heping Zhao Xiaoping Liu Jianfeng Zhang Ru Xue Dongjie | 2012 | International Journal of Mining Science and Technology2012，22，6： | 14 |
| 6 | Numerical simulation of gas flow process in mining-induced crack network显示文摘The exploitation of coal bed methane or coal gas is one of the most effective solutions of the problem of coal gas hazard.A better understanding of gas flow in mining-induced cracks plays an important role in comprehensive development and utilization of coal gas as well as prevention of coal gas hazard.This paper presents a case study of gas flow in mining-induced crack network regarding the situation of low permeability of coal seam.A two-dimensional physical model is constructed on the basis of geological background of mining face No.1122(1) in coal seam No.11-2,Zhangji Coal Mine,Huainan Mining Group Corporation.The mining-induced stress and cracks in overburden rocks are obtained by simulating an extraction in physical model.An evolution of mining-induced cracks in the process of advancing of coal mining face is characterized and three typical crack networks are taken from digital photos by means of image analysis.Moreover,the numerical software named COMSOL Multiphysics is employed to simulate the process of gas flow in three representative crack networks.Isograms of gas pressure at various times in mining-induced crack networks are plotted,suggesting a shape and dimension of gas accumulation area. | Zhou Hongwei Liu Jinfeng Xue Dongjie Yi Haiyang Xue Junhua | 2012 | International Journal of Mining Science and Technology2012，22，6： | 14 |
| 7 | Progress on gecko-inspired micro/nano-adhesion arrays显示文摘Gecko's excellent adhesion ability is thought to derive from van der Waals force generated between the millions of keratinous hairs/setae and the contact surface.Fabricating highly gecko-inspired foot-hair becomes one of the key technologies to realize the three-dimensional-obstacle-free motion of robot.Researchers have fabricated various gecko-like foot-hair arrays which have leaning,large end,and hierarchical structures.Those significant works are summarized and suggestions for future work are proposed in this paper. | ZHANG Hao GUO DongJie DAI ZhenDong | 2010 | Chinese Science Bulletin2010，55，18： | 14 |
| 8 | Heteromeric Geranyl(geranyi) Diphosphate Synthase Is Involved in Monoterpene Biosynthesis in Arabidopsis Flowers显示文摘Dear Editor, Monoterpenes,together with sesquiterpenes,play varying roles in plant interactions with the environment depending on the organs in which they are produced;these compounds likely function to attract pollinators when they are present in flowers and can protect plants against herbivores or microbes when produced in leaves or in roots.It is well known that geranyl diphosphate (GPP),the common precursor of monoterpenes,is biosynthesized by geranyl diphosphate synthase (GPPS). | Qingwen Chen Dongjie Fan GuodongWang | 2015 | Molecular Plant2015，8，9： | 14 |
| 9 | A comprehensive overview of rural solid waste management in China显示文摘这份报纸试图以特征,管理和立法进行农村稳固的废物(RSW ) 的全面评论。调查结果证明 RSW 产生率从 0.25 ~ 2.1 kg (capitad )越过中国的区域的不同农村村庄里的 1 。全部的 RSW 产生一直在增加,它比在 2014 的正式数据高远。RSW 被食物残余和煤灰 / 炉渣 / 灰尘统治(在约 70% 点) 。没有任何处理,大多数 RSW 仍然在中国随机被丢弃。散布 RSW 产生来源,有瑕疵的立法系统,处理和处理上的差的基础结构在中国当前为 RSW 管理作为最大的挑战被识别。为了改进 RSW 管理,增加的金融资源,建立的排序的收集和交通,联网,支持排序收集并且再循环,改进处理技术作为可能的答案被建议。 | Chao ZENG Dongjie NIU Youcai ZHAO | 2015 | Frontiers of Environmental Science & Engineering2015，9，6： | 13 |
| 10 | Organic carbon isotope gradient and ocean stratification across the late Ediacaran-Early Cambrian Yangtze Platform显示文摘Organic carbon isotope(δ13Corg) data from two well-preserved sections across a shallow-to-deep water transect of the late Ediacaran-Early Cambrian Yangtze Platform in South China show significant temporal and spatial variations. In the shallow-water Jiulongwan-Jijiapo section, δ13Corg values of the late Ediacaran Dengying Formation range from -29‰ to -24‰. In the deep-water Longbizui section, δ13Corg values from time-equivalent strata of the Dengying Formation are mostly between –35‰ and -32‰. These new data, in combination with δ13Corg data reported from other sections in South China, reveal a 6‰–8‰ shallow-to-deep water δ13Corg gradient. High δ13Corg values(>-30‰) occur mostly in shallow-water carbonate rocks, whereas low δ13Corg values(<-32‰) dominate the deep-water black shale and chert. The large temporal and spatial δ13Corg variations imply limited buffering effect from a large dissolved organic carbon(DOC) reservoir that was inferred to have existed in Ediacaran-Early Cambrian oceans. Instead, δ13Corg variations between platform and basin sections are more likely caused by differential microbial biomass contribution to total organic matter. High δ13Corg values(>-30‰) documented from shallow-water carbonates are within the range of typical Phanerozoic δ13Corg data and may record the isotope signature of organic matter from primary(photosynthetic) production. In contrast, low δ13Corg values(<-32‰) from deep-water sections may have resulted from higher chemoautotrophic or methanotrophic biomass contribution to bulk organic matter in anoxic environments. The δ13Corg data provide indirect evidence for ocean stratification and episodic chemocline fluctuations in the Ediacaran-Early Cambrian Yangtze Platform. | WANG XinQiang SHI XiaoYing JIANG GanQing TANG DongJie | 2014 | Science China Earth Sciences2014，57，5： | 11 |
| 11 | Hybrids perfluorosulfonic acid ionomer and silicon oxide membrane for application in ion-exchange polymer-metal composite actuators显示文摘This paper reports a new technique to fabricate an ion-exchange polymer-metal composite (IPMC) actuator. This technique is based on a hybrid organic-inorganic composite membrane. In the fabrication course, silica oxide particles, prepared from hydrolysis of tetraethyl orthosilicate in situ with sol-gel reaction, co-crystallize with perfluorosulfonate acid (PFSA) ionomer. Attenuated total reflectance fourier transform infrared spectroscopy (ATR-FTIR) analyses demonstrate that a highly water-saving hybrid membrane is formed. Measurements of mechanical properties reveal that elastic modulus and hardness of the hybrid membrane are about 2 times compared to a commercial PFSA membrane. Scanning electron microscopy (SEM) results show that the hybrid membrane has a high porosity. Inside the membrane pores, there exists a great quantity of micro scale channels in the range of 100―300 nm. After fabrication of IPMC actuator, an electric current sensor, a force sensor, and a high speed camera are assembled and used to evaluate IPMC performance. It is shown that, compared to an IPMC actuator made from a commercial membrane, the electromechanical performance of the new actuator increases 6―8 times; when it is actuated in air, its stable non-water working time is prolonged for 6―7 times. | GUO DongJie DING HaiTao WEI HaiJu HE QingSong YU Min DAI ZhenDong | 2009 | Science China(Technological Sciences)2009，52，10： | 10 |
| 12 | Myeloid-specific targeting of Notch ameliorates murine renal fibrosis via reduced infiltration and activation of bone marrowderived macrophage显示文摘Macrophages play critical roles in renal fibrosis.However,macrophages exhibit ontogenic and functional heterogeneities,and which population of macrophages contributes to renal fibrosis and the underlying mechanisms remain unclear.In this study,we genetically targeted Notch signaling by disrupting the transcription factor recombination signal binding protein-JK(RBP-J),to reveal its role in regulation of macrophages during the unilateral ureteral obstruction(UUO)-induced murine renal fibrosis.Myeloid-specific disruption of RBP-J attenuated renal fibrosis with reduced extracellular matrix deposition and myofibroblast activation,as well as attenuated epithelial-mesenchymal transition,likely owing to the reduced expression of TGF-β.Mean while,RBP-J deletion significantly hampered macrophage infiltration and activation in fibrotic kidney,although their proliferation appeared unaltered.By using macrophage clearance experiment,we found that kidney resident macrophages made negligible contribution,but bone marrow(BM)-derived macrophages played a major role in renal fibrogenesis.Further mechanistic analyses showed that Notch blockade reduced monocyte emigration from BM by down-regulating CCR2 expression.Finally,we found that myeloid-specific Notch activation aggravated renal fibrosis,which was mediated by CCR2^+macrophages infiltration.In summary,our data have unveiled that myeloid-specific targeting of Notch could ameliorate renal fibrosis by regulating BM-derived macrophages recruitment and activation,providing a novel strategy for intervention of this disease. | Yali Jiang Yuanyuan Wang Pengfei Ma Dongjie An Junlong Zhao Shiqian Liang Yuchen Ye Yingying Lu Peng Zhang Xiaowei Liu Hua Han Hongyan Qin | 2019 | Protein & Cell2019，10，3： | 10 |
| 13 | Coal and gas outburst mechanism of the “Three Soft” coal seam in western Henan显示文摘Based on the particularities of gas outbursts,i.e.,low gas bearing capacity and low gas pressure in the 'Three Soft' coal seam in western Henan,we applied the theories of plate tectonics and regional structural evolution to investigate the mechanism of this seam and its impact on the coal seam gas formation.Our investigation revealed that coal and gas outbursts are distributed in a strip in a NW direction,with a number of high-penetration mines scattered towards the south side and low-gas mines largely located on the north side.We analyzed the statistics of 38 gas explosions and the rock-coal sturdiness number coefficient f of 167 sampling sites in the region and found the gas outburst mechanism that features a 'low indicator outburst phenomenon'.The mechanism is characterized by structural coal as its core,a low gas bearing capacity,low gas pressure and sturdiness coefficient f mostly less than 0.3.Our research results provide a theoretical foundation for effective control of gas disasters. | LEI DongJi LI Chengwu ZHANG Zimin ZHANG Yugui | 2010 | Mining Science and Technology2010，20，5： | 10 |
| 14 | A wearable noncontact free-rotating hybrid nanogenerator for self-powered electronics显示文摘Self-powerability is a new trend in the development of portable devices.Harvesting biomechanical energy to power personal information electronics is of great significance.In this work,we report a wearable noncontact freerotating hybrid nanogenerator(WRG),which is constituted by a triboelectric nanogenerator and an electromagnetic generator.A continuous output over 2 seconds can be achieved during one instantaneous incentive by external force,which is improved by two orders of magnitude compared to other wearable nanogenerators due to its unique mechanical energy storage design.The WRG can be integrated into shoes to generate an output energy of 14.68 mJ in each stepping,which meets the power requirements of most personal information electronics.The wireless sensor,GPS,and smartphone can be powered by the WRG continuously.The WRG is expected to be applied in self-powered information electronics extensively in the future. | Dongjie Jiang Han Ouyang Bojing Shi Yang Zou Puchuan Tan Xuecheng Qu Shengyu Chao Yuan Xi Chaochao Zhao Yubo Fan Zhou Li | 2020 | InfoMat2020，2，6： | 8 |
| 15 | A Resource for Inactivation of MicroRNAs Using Short Tandem Target Mimic Technology in Model and Crop Plants显示文摘microRNAs (miRNAs)are endogenous small non-coding RNAs that bind to mRNAs and target them for cleavage and/or translational repression,leading to gene silencing.We previously developed short tandem target mimic (STTM)technology to deactivate endogenous miRNAs in Arabidopsis.Here,we created hundreds of STTMs that target both conserved and species-specific miRNAs in Arabidopsis,tomato,rice,and maize,providing a resource for the functional interrogation of miRNAs.We not only revealed the functions of several miRNAs in plant development,but also demonstrated that tissue-specific inactivation of a few miRNAs in rice leads to an increase in grain size without adversely affecting overall plant growth and development.RNA-seq and small RNAseq analyses of STTM156/157 and STTM165/166 transgenic plants revealed the roles of these miRNAs in plant hormone biosynthesis and activation,secondary metabolism,and ion-channel activity-associated electrophysiology,demonstrating that STTM technology is an effective approach for studying miRNA functions.To facilitate the study and application of STTM transgenic plants and to provide a useful platform for storing and sharing of information about miRNA-regulated gene networks,we have established an online Genome Browser (https://blossom.ffr.mtu.edu/designindex2.php) to display the transcriptomic and miRNAomic changes in STTMinduced miRNA knockdown plants. | Ting Peng Mengmeng Qiao Haiping Liu Sachin Teotia Zhanhui Zhang Yafan Zhao Bobo Wang Dongjie Zhao Lina Shi Cui Zhang Brandon Le Kestrel Rogers Chathura Gunasekara Haitang Duan Yiyou Gu Lei Tian Jinfu Nie Jian Qi Fanrong Meng Lan Huang Qinghui Chen Zhenlin Wang Jinshan Tang Xiaoqing Tang Ting Lan Xuemei Chen Hairong Wei Quanzhi Zhao Guiliang Tang | 2018 | Molecular Plant2018，11，11： | 7 |
| 16 | Enhanced dewatering characteristics of waste activated sludge with Fenton pretreatment: effectiveness and statistical optimization显示文摘在这个工作,废物的提高的 dewaterabing 特征用 Fenton 激活污泥预告的处理以有效性和统计优化被调查。反应表面方法( RSM )和中央合成设计(电荷耦合器件)被使用评估并且优化重要运作的参数的有效性,即, H <潜水艇class=“ a-plus-plus ”> 2 O <潜水艇class=“ a-plus-plus ”> 2 集中, Fe <啜class=“ a-plus-plus ”>2+集中和起始的 pH 价值。一个重要二次的多项式模型被获得(R < 啜 class= “ a-plus-plus ” > 2 = 0.9189 ) 与毛状的吸时间(CST ) 减小效率作为反应。数字优化基于愿望功能被执行。为 H 的最佳价值 < 潜水艇 class= “ a-plus-plus ” > 2 O < 潜水艇 class= “ a-plus-plus ” > 2 , Fe < 啜 class= “ a-plus-plus ” >2+, 和起始的 pH 被发现是 178 mg?? | Guangyin ZHEN Xueqin LU Baoying WANG Youcai ZHAO Xiaon CHAI Dongjie NIU Tiantao ZAO | 2014 | Frontiers of Environmental Science & Engineering2014，8，2： | 7 |
| 17 | FY-4A LMI Observed Lightning Activity in Super Typhoon Mangkhut(2018)in Comparison with WWLLN Data显示文摘Using lightning observations from the Fengyun-4A Lightning Mapping Imager(FY-4A LMI),best-track data from the Shanghai Typhoon Institute,bright temperature(TBB)data from Himawari-8 satellite,and composite reflectivity(CR)data from the South China radar network,we investigate the spatiotemporal distribution of lightning activity and convective evolution during the landfall of Super Typhoon Mangkhut,the strongest landing typhoon in China in2018.Three stages of active total lightning are observed,and differences of lightning characteristics between the inner core and the outer rainbands are present.The onset of inner-core lightning outbreak is about 4 h ahead of the maximum intensity of the storm,providing indicative information on the change of typhoon intensity.Lightning rates in the outer rainbands increase rapidly 12 h before the landfall,and lightning activity is mainly confined in the outer rainbands after the landfall.A good correlation in hourly variation is shown between lightning rates from the LMI and TBBs from the satellite.The averaged TBB within the inner core reaches its minimum(–80℃)when the innercore lightning outbreak occurs,indicating the occurrence and enhancement of deep convection there.Lightning locations observed by the LMI has a good spatial correspondence with regions of low TBBs and high CRs,revealing the monitoring capability of the LMI to lightning activity and deep convection in landing typhoons.Comparisons between the World Wide Lightning Location Network(WWLLN)and the LMI reveal that the spatial distribution,temporal evolution,and radial pattern of lightning activity in Mangkhut observed by the two systems are consistent.Furthermore,due to the detection capability of total lightning,the LMI has advantages in revealing the higher ratio of intra-cloud lightning within the inner core in typhoon.The continuous and real-time observation ofFY-4ALMI provides an unprecedented platform for monitoring total lightning and deep convection in landing typhoons in China,which will promote the generation of new research and applications in the future. | Wenjuan ZHANG Wen HUI Weitao LYU Dongjie CAO Pengfei LI Dong ZHENG Xiang FANG Yijun ZHANG | 2020 | Journal of Meteorological Research2020，34，2： | 7 |
| 18 | 新疆牧民定居后的社会整合与文化重构显示文摘新疆牧民定居看似一种迁移,牧民从一地迁往另一地,但是由于迁移,牧民从散居变成了聚居,相应地使其生产、生活系统发生了变化。定居的过程同时是一个社会整合的过程,是社会结构重构和发展的过程,也是民族文化发生变化需要重建的过程。本文拟就此过程中存在的问题进行探讨和研究,提出一些解决的意见和建议。 | 陈冬季 Chen Dongji | 2005 | 昌吉学院学报2005，，3： | 6 |
| 19 | Early Jurassic basal sauropodomorpha dominated tracks from Guizhou, China: Morphology, ethology, and paleoenvironment显示文摘The newly discovered large(350 m^2) Yantan dinosaur tracksite, in the Lower Jurassic Ziliujing Formation of Guizhou Province, China, reveals at least 250 footprints of which ~97 can be resolved into trackways of sauropodomorphs. All the trackways are sub parallel likely indicating gregarious behavior. One theropod track(cf. Grallator) was recorded. The sauropodomorph tracks predominantly represent quadrupedal progression(Morphotype A), and footprint morphology is similar to the ichnospecies Liujianpusshunan, characterized by outward pes rotation. Three trackways indicate bipedal progression, and two of these(Morphotype B) indicate inward pes rotation, accompanied by elongate pes digit scratch marks. For the latter phenomenon three possible scenarios are discussed:(1) significant rotation changes accompanying changes in gait,(2) swimming behavior,(3) formation of undertracks.Sedimentological evidence indicates the tracks were made on a linguloid rippled, muddy, immature sandstone substrate characterized by significant differences in substrate consistency across the trackbearing surface. Microbially induced sedimentary structures(MISS) characterized by distinctive wrinkle marks indicate a stressed, probably semi-arid, paleoenvironment that was not conducive to habitation by invertebrate organisms. This is consistent with other evidence that Lower Jurassic sauropodomorph tracks are often associated with semi-arid paleoenvironments. | Lida Xing Martin G. Lockley Dongjie Tang Hendrik Klein Guangzhao Peng Yong Ye Baoqiao Hao | 2019 | Geoscience Frontiers2019，10，1： | 6 |
| 20 | Thermally stable and highly efficient red-emitting Eu^(3+)-doped Cs3GdGe309 phosphors for WLEDs:non-concentration quenching and negative thermal expansion显示文摘Red phosphor materials play a key role in improving the lighting and backlit display quality of phosphor-converted white light-emitting diodes(pc-WLEDs).However,the development of a red phosphor with simultaneous high efficiency,excellent thermal stability and high colour purity is still a challenge.In this work,unique non-concentration quenching in solid-solution Cs_(3)Gd_(1-x)Ge_(3)O_(9):xEu^(3+)(CGGO:xEu^(3+))(x=0.1-1.0)phosphors is successfully developed to achieve a highly efficient red-emitting Cs_(3)EuGe_(3)0_(9)(CEGO)phosphor.Under the optimal 464 nm blue light excitation,CEGO shows a strong red emission at 611 nm with a high colour purity of 95.07%and a high internal quantum efficiency of 94%.Impressively,this red-emitting CEGO phosphor exhibits a better thermal stability at higher temperatures(175-250℃,>90%)than typical red K2SiF6:Mn^(4+)and Y203:Eu^(3+)phosphors,and has a remarkable volumetric negative thermal expansion(coefficient of thermal expansion,a=—5.06×10^(-5)/℃,25-250℃).By employing this red CEGO phosphor,a fabricated pc-WLED emits warm white light with colour coordinates(0.364,0.383),a high colour rendering index(CRI=89.7),and a low colour coordinate temperature(CCT=4508 K).These results indicate that this highly efficient red-emitting phosphor has great potential as a red component for pc-WLEDs,opening a new perspective for developing new phosphor materials. | Peipei Dang Guogang Li Xiaohan Yun Qianqian Zhang Dongjie Liu Hongzhou Lian Mengmeng Shang Jun Lin | 2021 | Light(Science & Applications)2021，10，2： | 6 |
您所在的机构暂未开通此部分的功能，请联系管理员