Journal of Materiomics最新文献

Superposition of bulk and interface electric field for boosting charge transfer in Bi2MoO6/Bi19Br3S27 S-scheme heterojunctions

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-19 DOI: 10.1016/j.jmat.2024.100996

Hui Yang, Zhongliao Wang, Jinfeng Zhang, Kai Dai, Jingxiang Low

{"title":"Superposition of bulk and interface electric field for boosting charge transfer in Bi2MoO6/Bi19Br3S27 S-scheme heterojunctions","authors":"Hui Yang, Zhongliao Wang, Jinfeng Zhang, Kai Dai, Jingxiang Low","doi":"10.1016/j.jmat.2024.100996","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100996","url":null,"abstract":"Coupling bulk and interface electric field for enhancing photogenerated charge carrier separation represents an effective strategy toward enhancing photocatalytic performance due to the potential of superposition of electric field. However, the detailed mechanism of synergistic effect of the bulk and interface electric field in facilitating photogenerated charge carrier remains underexplored, limiting its wide applications. Herein, we integrate the bulk electric field of Bi2MoO6 (BMO) with interface electric field (IEF) of S-scheme heterojunction formed between BMO and Bi19Br3S27 (BBS) for enhancing photocatalytic performance. The two electric fields can not only superimpose for amplifying electric field strengths, but also act as the funnel for guiding photogenerated charge carrier migration towards specific regions for redox reactions. Moreover, the Mo–S bonds formed between BMO and BBS act as a channel for charge transfer, accelerating the charge transfer of the S-scheme and achieving effective charge separation. As a proof-of-concept, we employ optimized BMO/BBS S-scheme heterojunction for photocatalytic CO2 conversion, reaching about 32.4 times and 2.0 times to that of pristine BMO and unmodulated BMO/BBS for CO production. This method of promoting the IEF by coupling bulk and interface electric field provides new insights into the construction of S-scheme heterojunctions for photocatalysis.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"23 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142857911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Tuning the bonding environment of Se atom in Cu2MnSnSe4-based alloys for raised thermoelectric performance 调整 Cu2MnSnSe4 基合金中 Se 原子的成键环境以提高热电性能

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-16 DOI: 10.1016/j.jmat.2024.100995

Yuqing Sun, Zhihao Li, Yujie Zong, Fulong Liu, Hongxiang Wang, Hui Sun, Chunlei Wang, Hongchao Wang

{"title":"Tuning the bonding environment of Se atom in Cu2MnSnSe4-based alloys for raised thermoelectric performance","authors":"Yuqing Sun, Zhihao Li, Yujie Zong, Fulong Liu, Hongxiang Wang, Hui Sun, Chunlei Wang, Hongchao Wang","doi":"10.1016/j.jmat.2024.100995","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100995","url":null,"abstract":"The intrinsic low lattice thermal conductivities originates from the complex anion bonding environment make quaternary chalcogenides potential thermoelectric materials. Here, the bonding environment of Se atom in Cu2.1Mn0.9SnSe4 is further regulated by substituting Mn2+ with equimolar pairing elements (Ag+ and In3+). The increase in both bond length and angle, together with the reduction in bond strength of Ag–Se and In–Se bonds, cause the doped samples to display strong anharmonicities (γ ∼ 1.84–2.04). And the weakened bond strength also lower the sound velocities. Consequently, the κL of the doped samples is effectively constrained, achieving a minimum value of 0.55 W⸱m–1⸱K–1 at 673 K in x = 0.10 sample. Ultimately, a zT value of 0.53 at 673 K is attained in x = 0.10 sample. The modification of bonding environment around anion is considered as an effective mean to optimize the thermoelectric performance of quaternary chalcogenides.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"47 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142832037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Suppression of the surface roughness by adjusting the temperature distribution in the top-seeded solution growth of SiC crystal. 通过调整顶部播种固溶生长 SiC 晶体过程中的温度分布来抑制表面粗糙度。

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-16 DOI: 10.1016/j.jmat.2024.100994

Mengyu Li, Yuhui Liu, Xiaofang Qi, Wencheng Ma, Yongkuan Xu, Zhanggui Hu, Yicheng Wu

{"title":"Suppression of the surface roughness by adjusting the temperature distribution in the top-seeded solution growth of SiC crystal.","authors":"Mengyu Li, Yuhui Liu, Xiaofang Qi, Wencheng Ma, Yongkuan Xu, Zhanggui Hu, Yicheng Wu","doi":"10.1016/j.jmat.2024.100994","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100994","url":null,"abstract":"Spontaneous nucleation of SiC particles and giant macroscopic steps result in the surface roughness of the grown crystal for the top-seeded solution growth of SiC crystal. To suppress the surface roughness, the temperature gradient was carefully adjusted by changing the relative position of the crucible and induction coils. The numerical simulation and experimental results show that the surface morphology of the grown crystal becomes smoother and there are fewer spontaneous nucleation particles attached to the growth surface with the decrease in the relative crucible position, due to the increase of temperature at the entire solution surface and the reducing of temperature gradient near the growth surface. Accordingly, a lower temperature gradient, a larger solution velocity, a higher carbon concentration, and a smaller carbon supersaturation near the growth surface can be obtained when the relative position between the crucible and the induction coil is 70 mm, which is demonstrated to be the most favorable for the elimination of spontaneous nucleation of small SiC particles and suppressing surface roughening with the full width at half maximum (FWHM) of 37.5 arcsec of 4H-SiC crystals.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"12 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142832038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

One-dimensional potassium sodium niobates (1D KNN): Performance optimization and application prospects

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-15 DOI: 10.1016/j.jmat.2024.100992

Lei Jiang, Tingting Shao, Xinran Yang, Juan Xiong, Yongming Hu, Zhao Wang, Haoshuang Gu, John Wang

{"title":"One-dimensional potassium sodium niobates (1D KNN): Performance optimization and application prospects","authors":"Lei Jiang, Tingting Shao, Xinran Yang, Juan Xiong, Yongming Hu, Zhao Wang, Haoshuang Gu, John Wang","doi":"10.1016/j.jmat.2024.100992","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100992","url":null,"abstract":"One-dimensional (1D) nanostructures of perovskite piezoelectrics exhibit unique properties that distinct them from those of their bulk and thin-film counterparts. These 1D nanostructures feature cantilever-like flexibility and elasticity, a relatively high piezoelectric constant, good stability and easiness of integration, making them highly promising for applications in energy harvesting, pressure sensing, piezo-catalysis, nano-actuators and smart human-machine interfaces. Among them, (K,Na)NbO3 (KNN) has been regarded as one of the most promising lead-free perovskite piezoelectrics owing to its excellent biocompatibility, good piezoelectric performance, and high Curie temperature. Recently, significant efforts have been made to develop high-performance 1D KNN nanostructures (1D KNNs). However, the controllable growth and enhancement in piezoelectric performance of 1D KNNs remain challenging. In this work, we systematically re-examine the effective approaches for the growth of 1D KNNs and explore their unique properties. Key strategies for structural designs and performance optimization are proposed based on the recent progress, along with perspectives in developing novel functionalities and micro/nano-devices such as energy harvesters, information storage, electronic skins, biomedical applications.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"21 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Multifunctional energy storage and photoluminescence of Er-modified KNN-based transparent ferroelectric ceramics

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-15 DOI: 10.1016/j.jmat.2024.100993

Zhichao Gong, Haojie Yue, Kailing Fang, Kun Guo, Kang Li, Chong Guo, Huacheng Zhang, Ziliang Deng, Zhiyong Liu, Bing Xie, Pu Mao, Jinshan Lu, Shifeng Guo, Kui Yao, Francis Eng Hock Tay

{"title":"Multifunctional energy storage and photoluminescence of Er-modified KNN-based transparent ferroelectric ceramics","authors":"Zhichao Gong, Haojie Yue, Kailing Fang, Kun Guo, Kang Li, Chong Guo, Huacheng Zhang, Ziliang Deng, Zhiyong Liu, Bing Xie, Pu Mao, Jinshan Lu, Shifeng Guo, Kui Yao, Francis Eng Hock Tay","doi":"10.1016/j.jmat.2024.100993","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100993","url":null,"abstract":"Against the backdrop of increasing miniaturization and integration of electronic components, the demand for materials with multifunctionality has increased significantly. Among these, transparent fluorescent ferroelectric ceramics exhibiting ferroelectricity, optical transparency, and photoluminescence (PL) have garnered significant attention. However, an interdependent relationship exists in a ferroelectric material among polarization, transparency, and photoluminescence, which presents a challenge for optimizing the coupling of optoelectronic properties. In this work, the doping concentration of Er3+ in 0.825(K0.5Na0.5)NbO3-0.175Sr(Sc0.5Nb0.5)O3: x%Er (x = 0–0.15) system was modulated by first-principle calculations through compositional design and performance-influencing-factor-analysis strategies. The experimental results showed that grain size of the ceramic was reduced to 28 μm at x = 0.05, concentration of vacancy defects in the lattice was low, and band gap value was increased to 3.105 eV. The multifunctional ceramic, while maintaining an excellent recoverable energy storage density (Wrec = 2.03 J/cm3) and energy storage efficiency (η = 75.67%), demonstrated a 56% (1100 nm) good near-infrared transmittance and upconversion photoluminescence properties at 527, 549 nm, and 667 nm exhibiting weak green, strong green, and weak red light, respectively. This study provides a theoretical foundation and new approach for realizing the multifunctionality of photoelectric couple by introducing rare earth elements as luminescent centers into ferroelectric ceramics.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"21 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

A new-type electro-optic crystal: K3Nb3B2O12

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-15 DOI: 10.1016/j.jmat.2024.100991

Lingfei Lv, Xiaoming Yang, Hongjiang Wu, Rongbing Su, Zujian Wang, Bin Su, Pai Shan, Bingxuan Li, Xifa Long, Ge Zhang, Feng Xu, Chao He

{"title":"A new-type electro-optic crystal: K3Nb3B2O12","authors":"Lingfei Lv, Xiaoming Yang, Hongjiang Wu, Rongbing Su, Zujian Wang, Bin Su, Pai Shan, Bingxuan Li, Xifa Long, Ge Zhang, Feng Xu, Chao He","doi":"10.1016/j.jmat.2024.100991","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100991","url":null,"abstract":"Electro-optical materials are crucial for lasers and modulators applications. Perovskite ferroelectric crystals, characterized by oxygen octahedrons and superior dipole migration capabilities, are recognized for their high electro-optic coefficients. However, the application of perovskite ferroelectric crystals is often limited by reduced optical transparency, which results from light scattering and reflection at domain walls. In this study, we implemented a structure dimensionality reduction strategy to successfully transform a three-dimensional structure KNbO3 (KNO) crystal into a quasi-two-dimensional layered structure K3Nb3B2O12 (KNBO) crystal through BO3 planar groups. This modification restricts the mobility of B-site ions within the layers while preserving significant spontaneous polarization along the interlayer direction, thus converting multipolar axis into a unipolar axis in the ferroelectric. This alteration in the direction of spontaneous polarization modifies the domain structure, thereby minimizing the scattering effects of the domain walls. As a result, the KNBO crystal exhibits a large effective electro-optic (EO) coefficient of 50.14 pm/V and a high transmittance exceeding 80% in the 330 nm to 2500 nm wavelength range. These properties surpass those of currently available commercial EO crystals. This research establishes a model for enhancing transparency and EO coefficient through structural design, offering potential applications to other EO crystals.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"11 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Achieving outstanding comprehensive performance with high piezoelectricity in CaBi2Nb2O9-based high-temperature piezoelectric ceramics via multi-field coupling strategy

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-14 DOI: 10.1016/j.jmat.2024.100990

Changbai Long, Anwei Xu, Ziqian Su, Wei Ren, Laijun Liu, Xiangdong Ding

{"title":"Achieving outstanding comprehensive performance with high piezoelectricity in CaBi2Nb2O9-based high-temperature piezoelectric ceramics via multi-field coupling strategy","authors":"Changbai Long, Anwei Xu, Ziqian Su, Wei Ren, Laijun Liu, Xiangdong Ding","doi":"10.1016/j.jmat.2024.100990","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100990","url":null,"abstract":"Aurivillius phase CaBi2Nb2O9 (CBNO) ceramic with an ultrahigh Curie temperature (Tc) of ∼934 °C shows huge potential in high-temperature piezoelectric applications. However, low piezoelectricity and poor electric insulation prevent its applications in high-temperature sensing. Here, we propose an effective multi-field coupling strategy to synergistically optimize piezoelectric property, electrical conduction behavior and temperature stability of CBNO ceramic. The constructed lattice stress and electric fields induced by introducing Li/Pr and Bi/Sc doping have great impacts on the lattice structure, microstructure, domain structure and defect chemistry. Therefore, a significant increase in piezoelectric activity (d33) is resulted from the enhancement of polarization, the improvement of breakdown electric field and the production of nanoscale domains. In especial, the existence of pseudo-tetragonal phase boundary is helpful for the enhanced d33. In the designed Ca1–3x(Li0.5Pr0.5)xBi2+2xNb2–xScxO9 system, a high d33 of ∼18.2 pC/N accompanied by an ultrahigh Tc of ∼938 °C is achieved in the x=0.02 ceramic. This combined with high electrical resistivity (ρ∼1.72 MΩ cm at 600 °C) and nearly stable d33 (up to 800 °C) indicates that it is a very promising piezoelectric material for high-temperature (up to 600 °C or higher) sensing applications.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"13 11 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142820678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

S-scheme heterojunction-induced surface plasmon response

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-12 DOI: 10.1016/j.jmat.2024.100989

Rongan He, Difa Xu, Mahmoud Sayed

引用次数: 0

2D/1D CaIn2S4/TiO2 S-scheme heterojunction: In-situ hydrothermal synthesis and enhanced photocatalytic H2 evolution

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-09 DOI: 10.1016/j.jmat.2024.100987

Qi Zhou, Kaijia Zhang, Yaorong Su, Xinhe Wu, Kai Wang, Guohong Wang

{"title":"2D/1D CaIn2S4/TiO2 S-scheme heterojunction: In-situ hydrothermal synthesis and enhanced photocatalytic H2 evolution","authors":"Qi Zhou, Kaijia Zhang, Yaorong Su, Xinhe Wu, Kai Wang, Guohong Wang","doi":"10.1016/j.jmat.2024.100987","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100987","url":null,"abstract":"Constructing S-scheme heterojunction between TiO2 and other reduction semiconductors can effectively enhance the intrinsically low carrier separation efficiency and increase the reduction ability of single TiO2 photocatalyst. In this work, a hydrothermally synthesized 2D CaIn2S4 nanosheets, possessing the merits of narrow bandgap and strong reduction ability, have been developed to construct S-scheme heterojunction with TiO2 nanofiber. It is found that the 2D CaIn2S4 nanosheets can be in-situ assembled onto the surface of 1D TiO2 nanofiber to form a 2D/1D CaIn2S4/TiO2 S-scheme heterojunction, which then presents an extremely reinforced H2-evolution rate (ca. 564.66 μmol·g–1·h–1), about 3- and 7-fold higher than that of the single TiO2 and CaIn2S4, respectively. Finally, the in-situ XPS, DFT calculations, steady and transient-state spectrum results indicate that the formation of S-scheme heterojunctions between CaIn2S4 and TiO2. This work may deliver a novel and insightful inspiration for the development of high-efficiency S-scheme heterojunction photocatalysts.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"92 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142793227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Single-atom catalysts in the catalytic production of H2O2

IF 9.4 1区材料科学

Journal of Materiomics Pub Date : 2024-12-08 DOI: 10.1016/j.jmat.2024.100982

Zhiqi Li, Zhihan Yu, Chen Guan, Kaiqiang Xu, Quanjun Xiang

{"title":"Single-atom catalysts in the catalytic production of H2O2","authors":"Zhiqi Li, Zhihan Yu, Chen Guan, Kaiqiang Xu, Quanjun Xiang","doi":"10.1016/j.jmat.2024.100982","DOIUrl":"https://doi.org/10.1016/j.jmat.2024.100982","url":null,"abstract":": As an eco-friendly oxidant, hydrogen peroxide (H2O2) has been extensively applied in many fields, such as chemical synthesis, waste water purification, medical sterilization, paper manufacture and so on. H2O2 production also suffers from various shortcomings, including bad stability and low yield. Because of the extraordinary catalytic activity of H2O2 photocatalysis and electrocatalysis, single atom catalysts (SACs) have received considerable attention in recent years. With SACs’ distinct benefits, SACs holds a significant place in the production of H2O2. It is extensively applicable to diverse reaction pathways, such as photocatalysis and electrocatalysis, which offer novel insights and a wide range of possibilities for the effective and environmentally friendly synthesis of H2O2. Appropriately reviewing and summarizing the previous and current findings is essential to advancing the study's depth. Therefore, this review emphasizes the recent progress of SACs employed for photocatalytic and electrocatalytic production of H2O2. It first presents the mechanism and benefits of SACs in the catalytic production of H2O2. Next, based on the various benefits that SACs embody in the catalytic production of H2O2, an overview of SACs systems for H2O2 production is provided, with a focus on the modulation of adsorption capacity by SACs and the inhibition of side reactions. Lastly, some difficulties of photocatalytic and electrocatalytic production of H2O2 by SACs are depicted, and future directions of development are envisioned.","PeriodicalId":16173,"journal":{"name":"Journal of Materiomics","volume":"17 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142793229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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