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Preparation and Growth Mechanism of Pyramid-Shaped Cu2ZnSnS4 Monocrystal and the Simulation of Its Monograin Layer Solar Cells 锥形Cu2ZnSnS4单晶的制备、生长机理及其单晶层太阳能电池的模拟
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-11-09 DOI: 10.1002/crat.202400151
Wenfeng Fu, Xupeng Zhu, Jun Liao, Qiang Ru, Shuwen Xue, Jun Zhang
{"title":"Preparation and Growth Mechanism of Pyramid-Shaped Cu2ZnSnS4 Monocrystal and the Simulation of Its Monograin Layer Solar Cells","authors":"Wenfeng Fu,&nbsp;Xupeng Zhu,&nbsp;Jun Liao,&nbsp;Qiang Ru,&nbsp;Shuwen Xue,&nbsp;Jun Zhang","doi":"10.1002/crat.202400151","DOIUrl":"https://doi.org/10.1002/crat.202400151","url":null,"abstract":"<p>The Cu<sub>2</sub>ZnSnS<sub>4</sub>(CZTS) monocrystal as an important component of the optical absorption layer in monograin layer solar cells, has excellent crystallization characteristics and adjustable photogenerated carrier concentration. The shape of the CZTS monocrystal directly affects the utilization of incident light and the contact area during the preparation of the back electrode when they are densely packed to form a single-layer absorption layer. Herein, a kesterite-phase pyramid-shaped CZTS monocrystal prepared by the molten salt method is reported, which can improve the efficiency of incident light utilization and increase the contact area during back electrode preparation. The X-Ray diffraction, Raman spectroscopy, transmission electron microscopy, and scanning electron microscopy are used to characterize the crystallinity and crystal shape of pyramid-shaped CZTS monocrystal. Besides, Finite-Difference simulation calculation is employed to reveal the optical response and corresponding monograin layer solar cells performance of densely packed CZTS. The results show that the pyramid-shaped structure exhibited excellent incident light trapping ability, and the simulated device achieves a cell efficiency with above 13.6% after parameter optimization. The work provides a method for preparing pyramid-shaped CZTS monocrystal, and a new strategy to further improve the efficiency of CZTS-based monograin layer solar cells.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 12","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of PbMo0.3W0.7O4 Crystal: A Potential Material for Photocatalysis and Optoelectronic Applications PbMo0.3W0.7O4晶体的表征:一种潜在的光催化和光电子应用材料
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-11-09 DOI: 10.1002/crat.202400189
Mehmet Isik, Nizami Mamed Gasanly
{"title":"Characterization of PbMo0.3W0.7O4 Crystal: A Potential Material for Photocatalysis and Optoelectronic Applications","authors":"Mehmet Isik,&nbsp;Nizami Mamed Gasanly","doi":"10.1002/crat.202400189","DOIUrl":"https://doi.org/10.1002/crat.202400189","url":null,"abstract":"<p>PbMo<sub>0.3</sub>W<sub>0.7</sub>O<sub>4</sub> semiconductor crystal, which contains the balanced ratios of Mo and W, is grown for the first time by Czochralski method. The structural and optical properties of the crystal are investigated in detail in the present study. Structural analysis shows that crystal has tetragonal structure like PbMoO<sub>4</sub> and PbWO<sub>4</sub> compounds. The optical characteristics are studied by transmission, Raman, FTIR and photoluminescence methods. The bandgap energy is found to be 3.18 eV, and the positions of the conduction and valence bands are determined. The vibrational characteristics are studied by means of Raman and FTIR spectroscopy techniques. Photoluminescence spectrum presents three peaks around 486, 529, and 544 nm which fall into the green emission spectral range. Taking into account the properties of the compound, it is stated that PbMo<sub>0.3</sub>W<sub>0.7</sub>O<sub>4</sub> (or Pb(MoO<sub>4</sub>)<sub>0.3</sub>(WO<sub>4</sub>)<sub>0.7</sub>) has the potential to be used in water splitting applications and optoelectronic devices that emit green light.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 12","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the Effect of Cations on Morphology in the Preparation of Vaterite Calcium Carbonate from Dolomite 阳离子对白云石制备水晶石型碳酸钙形貌影响的研究
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-11-09 DOI: 10.1002/crat.202400161
Tianbo Fan, Xin'ai Zhang, Qiutong Li, Liqiang Jiao, Hongfan Guo, Xue Li
{"title":"Study on the Effect of Cations on Morphology in the Preparation of Vaterite Calcium Carbonate from Dolomite","authors":"Tianbo Fan,&nbsp;Xin'ai Zhang,&nbsp;Qiutong Li,&nbsp;Liqiang Jiao,&nbsp;Hongfan Guo,&nbsp;Xue Li","doi":"10.1002/crat.202400161","DOIUrl":"https://doi.org/10.1002/crat.202400161","url":null,"abstract":"<p>In this paper, the effect of trace components in dolomite on the morphology of vaterite calcium carbonate is studied in the CaCl<sub>2</sub>-NH<sub>3</sub>-CO<sub>2</sub> system, with a focus on the effect of cations (Mg<sup>2+</sup>, Fe<sup>3+</sup>, Si<sup>4+</sup>, and Al<sup>3+</sup>) in the solution. Ca<sup>2+</sup>, NH<sub>4</sub><sup>+</sup>, Mg<sup>2+</sup>, Fe<sup>3+</sup>, Si<sup>4+</sup>, and Al<sup>3+</sup> in the digestion solution are proportionally prepared into a solution by analyzing the calcium rich digestion solution which is obtained by digesting dolomite with ammonium chloride solution. Under the optimal conditions, NH<sub>3</sub> is introduced at a rate of 0.5 L min<sup>−1</sup> for 1 h, CO<sub>2</sub> is introduced at a rate of 0.5 L min<sup>−1</sup> for 1 h and rotation speed of 500 r min<sup>−1</sup> to prepare the vaterite calcium carbonate. The results show that the addition of Mg<sup>2+</sup>, Fe<sup>3+</sup>, Si<sup>4+</sup>, and Al<sup>3+</sup> can promote the growth of vaterite calcium carbonate. Among them, adding Mg<sup>2+</sup> and Si<sup>4+</sup> can promote the dispersion of vaterite, Fe<sup>3+</sup> and Al<sup>3+</sup> can cause agglomeration of vaterite. Material Studio software is used to predict the crystal morphology of vaterite calcium carbonate under ideal conditions, and the calculation results are basically consistent with the experimental results.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 12","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ca(Mo,W)O4 Solid Solutions Formation in CaMoO4-CaWO4 System CaMoO4-CaWO4 体系中 Ca(Mo,W)O4 固溶体的形成
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-25 DOI: 10.1002/crat.202400127
D.M. Khramtsova, A.B. Kuznetsov, V.D. Grigorieva, A.A. Ryadun, A.E. Musikhin, K.A. Kokh
{"title":"Ca(Mo,W)O4 Solid Solutions Formation in CaMoO4-CaWO4 System","authors":"D.M. Khramtsova,&nbsp;A.B. Kuznetsov,&nbsp;V.D. Grigorieva,&nbsp;A.A. Ryadun,&nbsp;A.E. Musikhin,&nbsp;K.A. Kokh","doi":"10.1002/crat.202400127","DOIUrl":"https://doi.org/10.1002/crat.202400127","url":null,"abstract":"<p>The formation of solid solutions in the CaMoO<sub>4</sub>-CaWO<sub>4</sub> binary system is investigated by X-ray diffraction, Raman spectroscopy, and scanning electron microscopy methods. The intermixtures of CaMoO<sub>4</sub> and CaWO<sub>4</sub> components are sintered in 600—1200 °C temperature range (in 100 °C increments). The solidus of the CaMo<sub>x</sub>W<sub>(1-x)</sub>O<sub>4</sub> system is studied by the differential scanning calorimetry method in the x  =  0.3 … 1.0 range. CaMoO<sub>4</sub>-CaWO<sub>4</sub> phase diagram is constructed up to 1550 °C. The minimal sintering temperature in order to get CaMo<sub>x</sub>W<sub>(1-x)</sub>O<sub>4</sub> solid solution is shown to be 800 °C. Cathodoluminescence study of CaMo<sub>x</sub>W<sub>(1-x)</sub>O<sub>4</sub> compounds showed higher intensity of molybdate luminescence type.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 11","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the Heterogeneous Deformation Behavior of Nickel Base Alloy Based on CPFEM 基于 CPFEM 的镍基合金异质变形行为研究
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-25 DOI: 10.1002/crat.202400170
Erqiang Liu, Mengchun You, Hongwei Zhao, Jianguo Wu, Xianliang Yang, Gesheng Xiao, Jinbao Lin
{"title":"Research on the Heterogeneous Deformation Behavior of Nickel Base Alloy Based on CPFEM","authors":"Erqiang Liu,&nbsp;Mengchun You,&nbsp;Hongwei Zhao,&nbsp;Jianguo Wu,&nbsp;Xianliang Yang,&nbsp;Gesheng Xiao,&nbsp;Jinbao Lin","doi":"10.1002/crat.202400170","DOIUrl":"https://doi.org/10.1002/crat.202400170","url":null,"abstract":"<p>In this paper, a crystal plasticity finite element method (CPFEM), considering the grain morphology and orientation, as well as the dislocation density, is used to research the tensile deformation behavior of GH4169 based on Electron Backscatter Diffraction (EBSD). The stress, plastic strain, and dislocation density distributions are obtained for different levels of deformation. Results show that the stress, plastic strain, and dislocation density exhibit obvious heterogeneous plastic deformation, and stress concentration and dislocation pileup mainly occurs near grain boundaries. The initial dislocation density mainly affects the stress–strain curve of the material, and it can obviously effect the yield strength but cannot influence the hardening ability of the material. The total dislocation density increases with plastic strain. However, the texture evolution has no evident change with increasing plastic strain, except for the increase of texture content in Cube (001)[100].</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 11","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Growth of YAG:Nd laser crystals by Horizontal Directional Crystallization in Protective Carbon-Containing Atmosphere 在含碳保护气氛中通过水平定向结晶技术生长 YAG:Nd 激光晶体
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-17 DOI: 10.1002/crat.202400104
S. Nizhankovskyi, A. Romanenko, O. Serdiuk, E. Vovk, N. Sidelnikova, A. Kozlovskyi, S. Kryvonohov, O. Lukienko, S. Skorik, N. Kovalenko, K. Bryliova, I. Pritula
{"title":"Growth of YAG:Nd laser crystals by Horizontal Directional Crystallization in Protective Carbon-Containing Atmosphere","authors":"S. Nizhankovskyi,&nbsp;A. Romanenko,&nbsp;O. Serdiuk,&nbsp;E. Vovk,&nbsp;N. Sidelnikova,&nbsp;A. Kozlovskyi,&nbsp;S. Kryvonohov,&nbsp;O. Lukienko,&nbsp;S. Skorik,&nbsp;N. Kovalenko,&nbsp;K. Bryliova,&nbsp;I. Pritula","doi":"10.1002/crat.202400104","DOIUrl":"https://doi.org/10.1002/crat.202400104","url":null,"abstract":"<p>Laser-quality yttrium-aluminum garnet single crystals doped with neodymium (YAG:Nd) of a concentration up to 1 at. % is grown by the method of horizontal directional crystallization from a molybdenum crucible in the protective reducing atmosphere based on argon, СО, and hydrogen. It is found that the content of carbon impurity in the grown crystals does not exceed 5·10<sup>−3</sup> wt %, the content of molybdenum being on the level of 1.5·10<sup>−3</sup> wt %. The optical quality of the crystals depends on the composition of the growth atmosphere and annealing. It is shown that, besides the bands of neodymium ion absorption, the crystals are characterized by the intense absorption in the UV edge of the spectrum at 370 nm wavelength, and by the wide absorption band with a maximum at 580 nm caused by formation of F and F<sup>+</sup>-centers. The absorption at 370 and 580 nm can be eliminated by annealing. The structure perfection of the crystals is characterized by the rocking curve half-width (<i>β</i>) which value varies within the limits of 10–14 arc. sec for (001) plane. Laser testing demonstrates the parameters comparable with those of YAG:Nd crystals grown by the Czochralski method from iridium crucible.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 11","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142665071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation and Photophysical Properties of Znq2 Metallic Nanomaterials Znq2 金属纳米材料的制备与光物理性质
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-15 DOI: 10.1002/crat.202400116
Fulian Li, Yunshuai Long, Xin Huang, Penghui Ma, Guiyi Huang, Yumin Song
{"title":"Preparation and Photophysical Properties of Znq2 Metallic Nanomaterials","authors":"Fulian Li,&nbsp;Yunshuai Long,&nbsp;Xin Huang,&nbsp;Penghui Ma,&nbsp;Guiyi Huang,&nbsp;Yumin Song","doi":"10.1002/crat.202400116","DOIUrl":"https://doi.org/10.1002/crat.202400116","url":null,"abstract":"<p>Bis(8-hydroxyquinolates) Zinc (Znq<sub>2</sub>) can be used as a light-emitting layer material in OLED devices to achieve its efficient electroluminescence effect. In this paper, Znq<sub>2</sub> powder has been successfully synthesized and modified by the physical vapor deposition (PVD) method. Precursors and nano-materials are characterized by XRD, SEM, PL, and so on. The performance of the modified material has been significantly improved. The emission intensity and absorption intensity in the deposited products increased with the increase in PVD temperature. At 453 K, luminous properties such as luminous intensity reach the optimal value including its fluorescence lifetime. Fluorescence lifetime values vary from 13 to 17 ns with the increase in temperature. The luminescence mechanism is also discussed. The energy gap and absorption spectrum of HOM-LUMO are calculated by the DFT/UB3LYP method. The experimental values agree well with the theoretical values. The nanomaterial crystals modified by PVD technology are more orderly, impurities are reduced, and the luminous stability of the material is improved, which may be one of the reasons for the relatively slow decline in product life. The research combined with theoretical simulation is expected to be helpful to the research and promotion of such materials.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 11","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142664814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Issue Information: Crystal Research and Technology 10'2024 发行信息:晶体研究与技术 10'2024
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-09 DOI: 10.1002/crat.202470043
{"title":"Issue Information: Crystal Research and Technology 10'2024","authors":"","doi":"10.1002/crat.202470043","DOIUrl":"https://doi.org/10.1002/crat.202470043","url":null,"abstract":"","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 10","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/crat.202470043","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142435270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Green Conversion of Epoxides to Cyclic Carbonates by Copper Nanocrystals Fabricated on Jute Tartaric Acid Composite Surface 在黄麻酒石酸复合材料表面制备纳米铜,实现环氧化物到环碳酸盐的绿色转化
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-10-08 DOI: 10.1002/crat.202400114
Sankar Barman, Sushobhan Ghosh
{"title":"Green Conversion of Epoxides to Cyclic Carbonates by Copper Nanocrystals Fabricated on Jute Tartaric Acid Composite Surface","authors":"Sankar Barman,&nbsp;Sushobhan Ghosh","doi":"10.1002/crat.202400114","DOIUrl":"https://doi.org/10.1002/crat.202400114","url":null,"abstract":"<p>The synthesis of copper nanocrystals on tartaric acid jute composite surface is reported. The formation of nanocrystals is detected by FT IR, Powder X-ray diffraction, SEM, and TEM analysis. The average size of the nanocrystals is found to be 500 nm. The reaction of the copper nanocrystals with CO<sub>2</sub> resulted in a decrease in the size of the nanoparticles. Cycloaddition reaction of epoxides to cyclic carbonate is efficiently carried out by the copper nanocrystals on tartaric acid jute composite surface (CUNPJT) without using any cocatalyst and solvent. To the best of author's knowledge, this is the first example of copper nanocrystals catalyzing the cycloaddition of CO<sub>2</sub> and epoxide.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 11","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142664527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to First-Principles Calculations to Investigate the Ground State, Mechanical Stability, Electronic Structure, and Optical Properties of Tl2SnX3 (X = S, Se, Te) 修正第一性原理计算以研究 Tl2SnX3(X = S、Se、Te)的基态、机械稳定性、电子结构和光学特性
IF 1.5 4区 材料科学
Crystal Research and Technology Pub Date : 2024-09-23 DOI: 10.1002/crat.202470042
{"title":"Correction to First-Principles Calculations to Investigate the Ground State, Mechanical Stability, Electronic Structure, and Optical Properties of Tl2SnX3 (X = S, Se, Te)","authors":"","doi":"10.1002/crat.202470042","DOIUrl":"https://doi.org/10.1002/crat.202470042","url":null,"abstract":"<p>[Hanen Alhussain, Hela Ferjani, Youssef Ben Smida; https://doi.org/10.1002/crat.202300340]</p><p>[An error in the spelling of an author's name in the article. The name in the published paper is [Hanen] and should be corrected to [Hanan].</p><p>We apologize for this error.</p>","PeriodicalId":48935,"journal":{"name":"Crystal Research and Technology","volume":"59 10","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/crat.202470042","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142435790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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