Computational and Theoretical Chemistry最新文献_第9页

DFT investigation on boron doped α-graphyne and α-graphdiyne as bifunctional catalysts toward HER and ORR 掺硼α-石墨炔和α-石墨炔作为HER和ORR双功能催化剂的DFT研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-30 DOI: 10.1016/j.comptc.2025.115306

Chuanbo Wang, Baotao Kang

{"title":"DFT investigation on boron doped α-graphyne and α-graphdiyne as bifunctional catalysts toward HER and ORR","authors":"Chuanbo Wang, Baotao Kang","doi":"10.1016/j.comptc.2025.115306","DOIUrl":"10.1016/j.comptc.2025.115306","url":null,"abstract":"<div><div>The exceptional catalytic efficiency and tunable properties of carbon-based materials position them as promising alternatives to platinum (Pt) in fuel cells, motivating the development of cost-effective substitutes with superior hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) activities. In this work, we introduce novel two-dimensional (2D) networks derived from doping α-graphyne (αGy) and α-graphdiyne (αGdy) with boron atoms, denoted as B@αGy and B@αGdy, respectively. Density functional theory (DFT) calculations reveal that B@αGy and B@αGdy exhibit electronic and dynamic stability, alongside semiconducting properties. Further DFT analysis of their electrocatalytic performance demonstrates that B@αGy stands out as a potential metal-free electrocatalyst, surpassing Pt in both HER and ORR activities. The enhanced ORR and HER performance of B@αGy and B@αGdy can be attributed to an elevated p-band center induced by boron doping. This study proposes a novel strategy for designing graphyne-based materials with significant potential as bifunctional electrocatalysts for HER and ORR.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1251 ","pages":"Article 115306"},"PeriodicalIF":3.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144195962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Adsorption characteristics of 2D Ti2NO2 towards neurotransmitters and amino acids molecules: A DFT study 二维二氧化钛对神经递质和氨基酸分子的吸附特性：DFT研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-30 DOI: 10.1016/j.comptc.2025.115302

Mohammad Awais Malik , Zhao Qian , Muhammad Sajjad , Yingjie Zhao , Feilong Shi , Rajeev Ahuja

{"title":"Adsorption characteristics of 2D Ti2NO2 towards neurotransmitters and amino acids molecules: A DFT study","authors":"Mohammad Awais Malik , Zhao Qian , Muhammad Sajjad , Yingjie Zhao , Feilong Shi , Rajeev Ahuja","doi":"10.1016/j.comptc.2025.115302","DOIUrl":"10.1016/j.comptc.2025.115302","url":null,"abstract":"<div><div>MXene, a class of two-dimensional materials, has garnered significant attention due to their potential applications in promising energy storage devices, sensors, and electro-catalysis owing to their remarkable electronic properties, biocompatibility, and large surface area. In this work, we report our findings relating to the adsorption mechanism of neurotransmitters and amino acids molecules (Glutamic acid, Gamma-aminobutyric acid, Glycine, Tyrosine, and Histamine) with O-terminated 2D Ti<sub>2</sub>N as Ti<sub>2</sub>NO<sub>2</sub> monolayer based on density functional theory (DFT) calculations. We found stronger adsorption energies in the case of parallel placements of molecules. Histamine with three nitrogen atoms in its structure is adsorbed strongly with an adsorption energy of −0.88 eV. A substantial charge transfers from molecules to the 2D material surface. This theoretical study provides valuable insights into the adsorption mechanism of neurotransmitters and amino acids molecules on Ti<sub>2</sub>NO<sub>2</sub> and can guide experimentalists in designing superior 2D materials for potential biosensing and biomedical applications.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115302"},"PeriodicalIF":3.0,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring the adsorption properties of iridium and osmium cluster functionalized WSe2 nanosheets towards NO2, SO2 and SO2F2 molecules: A DFT study 铱和锇簇功能化WSe2纳米片对NO2、SO2和SO2F2分子的吸附特性：DFT研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-29 DOI: 10.1016/j.comptc.2025.115305

Fadhil Faez , Shoira Formanova , Pinank Patel , K. Venkadeshwaran , BILAKSHAN PUROHIT , Dhirendra Nath Thatoi , Yashwant Singh Bisht , V.S. Subrahmanyam , Baydaa Abd , Ahmed Mohammed Ahmed

{"title":"Tailoring the adsorption properties of iridium and osmium cluster functionalized WSe2 nanosheets towards NO2, SO2 and SO2F2 molecules: A DFT study","authors":"Fadhil Faez , Shoira Formanova , Pinank Patel , K. Venkadeshwaran , BILAKSHAN PUROHIT , Dhirendra Nath Thatoi , Yashwant Singh Bisht , V.S. Subrahmanyam , Baydaa Abd , Ahmed Mohammed Ahmed","doi":"10.1016/j.comptc.2025.115305","DOIUrl":"10.1016/j.comptc.2025.115305","url":null,"abstract":"<div><div>Density functional theory calculations were performed to systematically examine the effects of Ir<sub>4</sub> and Os<sub>4</sub> clustering on the electronic and geometric properties of WSe<sub>2</sub> nanosheets to find their potential capability for adsorption of NO<sub>2</sub>, SO<sub>2</sub> and SO<sub>2</sub>F<sub>2</sub> gas molecules. Ir<sub>4</sub>-WSe<sub>2</sub> systems possess higher stability than the Os<sub>4</sub>-WSe<sub>2</sub> systems based on the binding energy results. Thus, Ir<sub>4</sub>-WSe<sub>2</sub> nanosheets were selected for trapping and adsorbing gas molecules. The adsorption configurations, charge density difference, band structures, density of states, and work functions were evaluated to better understand the adsorption of molecules over the modified substrates. Our results indicated that the conductivity of WSe<sub>2</sub> nanosheet is improved after decorating with Ir and Os transition metals. Both Ir<sub>4</sub> and Os<sub>4</sub> cluster functionalized WSe<sub>2</sub> systems have strong stability, and their structure barely deforms after interaction with gases. The charge density difference analysis indicates the firm interaction of Ir<sub>4</sub> and Os<sub>4</sub> clusters with WSe<sub>2</sub> surface.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1251 ","pages":"Article 115305"},"PeriodicalIF":3.0,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144253281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Density functional study on the oxygen evolution reaction mechanism of transition metal doped bimetallic NiCu phosphate surface 过渡金属掺杂双金属NiCu磷酸盐表面析氧反应机理的密度泛函研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-28 DOI: 10.1016/j.comptc.2025.115304

Hamdi Ikhwan , Dzaki Ahmad Syaifullah , Muhammad Arkan Nuruzzahran , Nadhratun Naiim Mobarak , Sasfan Arman Wella , Fadjar Fathurrahman , Ni Luh Wulan Septiani , Adhitya Gandaryus Saputro

{"title":"Density functional study on the oxygen evolution reaction mechanism of transition metal doped bimetallic NiCu phosphate surface","authors":"Hamdi Ikhwan , Dzaki Ahmad Syaifullah , Muhammad Arkan Nuruzzahran , Nadhratun Naiim Mobarak , Sasfan Arman Wella , Fadjar Fathurrahman , Ni Luh Wulan Septiani , Adhitya Gandaryus Saputro","doi":"10.1016/j.comptc.2025.115304","DOIUrl":"10.1016/j.comptc.2025.115304","url":null,"abstract":"<div><div>We have explored the oxygen evolution reaction (OER) activity of both undoped nickel copper phosphate (NiCuPO) and transition metal-doped NiCuPO-M (M = Mn, Fe, Co) surfaces using periodic density functional theory (DFT)-based calculations. Our findings highlight that while the undoped NiCuPO surface exhibits a high overpotential of 0.98 V, the introduction of transition metal doping remarkably enhances the OER performance, reducing the overpotential to as low as 0.41 V in the Mn-doped case, outperforming the widely used IrO<sub>2</sub> catalyst. This enhancement is primarily due to a favorable shift in the <em>d</em>-band center, which increases O* adsorption strength and decreases the OER overpotential. Among the doped systems, Mn and Fe doping demonstrate the most substantial reductions in overpotential, underscoring their potential as efficient catalysts for OER applications.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115304"},"PeriodicalIF":3.0,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144178422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Gallium doped AlP monolayers: A promising architecture for gas sensing 掺镓AlP单层：一种有前途的气体传感结构

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-27 DOI: 10.1016/j.comptc.2025.115301

Naseer H. Kadhim , Tanveer Hussain , Heider A. Abdulhussein

{"title":"Gallium doped AlP monolayers: A promising architecture for gas sensing","authors":"Naseer H. Kadhim , Tanveer Hussain , Heider A. Abdulhussein","doi":"10.1016/j.comptc.2025.115301","DOIUrl":"10.1016/j.comptc.2025.115301","url":null,"abstract":"<div><div>Harmful gases like CO<sub>2</sub>, SO, CO, SO<sub>2</sub>, and H<sub>2</sub>S can lead to serious environmental issues, making the development of effective sensors for their detection essential. This study used density functional theory (DFT)-based first-principles calculations to explore the structural, electronic, optical, and gas-sensing properties of a Ga-doped AlP monolayer towards the selected common pollutants, such as CO<sub>2</sub>, SO, CO, SO<sub>2</sub>, and H<sub>2</sub>S. Van der Waals corrected simulations were employed to find the most effective and sensitive sites for gas adsorption. The results revealed that SO adsorption on a Ga-doped AlP monolayer exhibited a chemical nature, unlike the physical nature observed for the other gases based on the adsorption energy values which were −0.319, −0.712, −0.110, −0.990, and -0.332 for CO₂, SO₂, CO, SO, and H₂S gases respectively. Electron localization function (ELF) analysis of CO<sub>2</sub>, SO<sub>2</sub>, CO, and H<sub>2</sub>S on a Ga-doped AlP monolayer showed delocalized electrons in the interlayer region, indicating that there was no chemical bonding between these gas molecules and the Ga-doped AlP monolayer. Moreover, the adsorption processes were found to affect the optical properties of a Ga-doped AlP monolayer. Overall, the results highlight the promising potential of a Ga-doped AlP monolayer as a gas sensor for the studied gases.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115301"},"PeriodicalIF":3.0,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144167776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A study of the effect of bridging meso linkages and main conjugation pathways on the aromaticity of subporphyrins 桥接介观键和主要偶联途径对亚卟啉芳香性影响的研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-27 DOI: 10.1016/j.comptc.2025.115297

Xingjia Gu , Zhaolin Cao , Yingjie Wang , Xiongxing He

{"title":"A study of the effect of bridging meso linkages and main conjugation pathways on the aromaticity of subporphyrins","authors":"Xingjia Gu , Zhaolin Cao , Yingjie Wang , Xiongxing He","doi":"10.1016/j.comptc.2025.115297","DOIUrl":"10.1016/j.comptc.2025.115297","url":null,"abstract":"<div><div>In the study, the aromaticity of subporphyrins and their derivatives (with CH, N and P as bridging <em>meso</em> linkages) has been investigated using the topological resonance energy (TRE) method. The results of the topological resonance energy (TRE) indicate that when the <em>meso</em> site is substituted by heteroatoms (N/P), its aromaticity is lower than that of carbon (C) atoms. We employed the bond resonance (BRE) energy and circuit resonance (CRE) energy methods to assess local aromaticity. The findings from the BRE and CRE suggest that, within the subporphyrin molecules, the local aromatic character resulting from the smaller rings is much higher and contributes more to the global aromaticity compared to the aromaticity derived from the main conjugation pathway. The main aromatic conjugation pathway (14π electrons) is a macrocyclic delocalization system along the periphery of the central ring and the inner periphery of the unprotonated pyrrole ring. The strength of the magnetically induced ring current (RC) is calculated using the Hückel-London model. Furthermore, the correlation between the observed <sup>1</sup>H NMR chemical shifts and the RC strength is discussed, revealing a good correlation.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1251 ","pages":"Article 115297"},"PeriodicalIF":3.0,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144365661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nitrogen doping in carbon nanotube with different mechanical defect shapes as a substrate for aluminum-silver nanoparticle for hydrogen storage technology 在不同机械缺陷形状的碳纳米管中掺杂氮作为贮氢技术中铝银纳米颗粒的衬底

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-27 DOI: 10.1016/j.comptc.2025.115303

Farid Taherkhani

{"title":"Nitrogen doping in carbon nanotube with different mechanical defect shapes as a substrate for aluminum-silver nanoparticle for hydrogen storage technology","authors":"Farid Taherkhani","doi":"10.1016/j.comptc.2025.115303","DOIUrl":"10.1016/j.comptc.2025.115303","url":null,"abstract":"<div><div>Hydrogen storage has been investigated by using aluminum‑silver nanoalloy supported nitrogen-doped carbon nanotubes (AlAg@NSWC) with various mechanical defect shapes. Current research shows that nitrogen doped in carbon nanotube with different mechanical shapes is a novel substrate device for hydrogen storage on Al–Ag bimetallic nanoparticle surface in AlAg@NSWC. Novelty of such substrate device is significant for hydrogen storage at room temperature on the big size of aluminum nanoparticle especially for line mechanical defect shapes in nitrogen doped carbon nanotube. Another novelty of such material device AlAg@NSWC is ability for hydrogen storage based on standard criteria defined by the United States Department of Energy which is one big achievement. The results indicate that an irreversible structure is observed in (AlAg@NSWC) across all mechanical defect shapes with carbon nanotube structure. There is complicated trend for hydrogen storage versus aluminum doping parameter in silver nanoparticle which is supported by nitrogen-doped in carbon nanotubes with varying mechanical defect shapes at room temperature. There is monotonic trend for hydrogen storage versus pressure of hydrogen on silver nanoparticle surface which is supported on nitrogen-doped carbon nanotubes with different mechanical shapes defect. Additionally, simulation results regarding hydrogen adsorption on metal surfaces as a function of hydrogen pressure align well with available experimental data.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115303"},"PeriodicalIF":3.0,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144167777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unravelling pyridine substitution position and solvent polarity regulate TICT and ESIPT mechanism for 2-(2-hydroxyphenyl)-benzothiazole derivatives 吡啶取代位置和溶剂极性的解开调节了2-（2-羟基苯基）-苯并噻唑衍生物的TICT和ESIPT机制

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-26 DOI: 10.1016/j.comptc.2025.115300

You Li , Yilong Wang , Dongxiang Li , Feng Wang , Chaofan Sun

{"title":"Unravelling pyridine substitution position and solvent polarity regulate TICT and ESIPT mechanism for 2-(2-hydroxyphenyl)-benzothiazole derivatives","authors":"You Li , Yilong Wang , Dongxiang Li , Feng Wang , Chaofan Sun","doi":"10.1016/j.comptc.2025.115300","DOIUrl":"10.1016/j.comptc.2025.115300","url":null,"abstract":"<div><div>Substituent group position and solvent polarity have significant effect on optical properties for molecule, which affect practical application value of molecule. In this work, the influence of pyridine group position and solvent polarity on twisted intramolecular charge transfer (TICT) and excited state intramolecular proton transfer (ESIPT) process within 2-(2-hydroxyphenyl)-benzothiazole (HBT) derivatives (oHBT, mHBT and pHBT) had been investigated by theoretical computational methods. The study was carried out using density-functional theory and time-dependent density-functional theory methods. Structural parameters, electron distribution analysis, absorption and fluorescence spectra, non-covalent interaction, infrared spectra and potential energy curves showed that oHBT molecule simultaneously occurs TICT and ESIPT with energy barrierless. Moreover, oHBT and pHBT gradually undergo TICT and ESIPT process. pHBT was more prone to ESIPT process compare with mHBT. ESIPT process of mHBT and pHBT is prone to occur as solvent polarity decreases. This study will broaden the application of luminescent molecules in photophysics field.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115300"},"PeriodicalIF":3.0,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation on halogen atom doping in GaS monolayer and shear strain modulation based on first-principles calculations 基于第一性原理计算的气体单层中卤素原子掺杂及剪切应变调制研究

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-26 DOI: 10.1016/j.comptc.2025.115299

Xiaotong Yang , Guili Liu , Guoying Zhang

引用次数: 0

Yet another series of correlations based on harmonic oscillator model of aromaticity (HOMA). 基于芳香性谐振子模型（HOMA）的另一系列相关性。

IF 3 3区化学

Computational and Theoretical Chemistry Pub Date : 2025-05-25 DOI: 10.1016/j.comptc.2025.115290

Alice Mischie, Maria Cristina Buta, Bogdan Frecuş, Ana Maria Toader, Fanica Cimpoesu

{"title":"Yet another series of correlations based on harmonic oscillator model of aromaticity (HOMA).","authors":"Alice Mischie, Maria Cristina Buta, Bogdan Frecuş, Ana Maria Toader, Fanica Cimpoesu","doi":"10.1016/j.comptc.2025.115290","DOIUrl":"10.1016/j.comptc.2025.115290","url":null,"abstract":"<div><div>In this work, we check the correlation between computed molecular energies and harmonic oscillator model of aromaticity (HOMA) indices, selecting representative series of isomeric polyaromatic hydrocarbons (PAHs) and derivatives. We designed numeric experiments, enforcing, by constrained geometry optimization equal bond lengths, fixed like in the aromatic reference (benzene), along the conjugated perimeter, checking correlation with HOMA. We refined the HOMA parameterization with substituent-dependent increments, based on the observation C<sub>6</sub>X<sub>3</sub>H<sub>3</sub> and C<sub>6</sub>X<sub>6</sub> substituted benzenes show equal bond lengths around the cycle, appearing then aromatic. The high HOMA indices in the full set of substituted benzenes show a facet of aromaticity as relative resistance to substituent effects, a point confirmed from Valence Bond calculations. The HOMA model can be improved by fine-tuned substituent terms, but this does not lead to improved correlation with energy, showing that the scheme reached its limits of interpretation.</div></div>","PeriodicalId":284,"journal":{"name":"Computational and Theoretical Chemistry","volume":"1250 ","pages":"Article 115290"},"PeriodicalIF":3.0,"publicationDate":"2025-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144147971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0