Materials Chemistry Frontiers最新文献

{"title":"On-surface gold-catalyzed hydroamination/cyclization reaction of alkynes†","authors":"Alejandro Jiménez-Martín, Tatiana Munteanu, Qifan Chen, Simon Pascal, Aura Tintaru, Benjamin Mallada, Pingo Mutombo, Olivier Siri, Pavel Jelínek and Bruno de la Torre","doi":"10.1039/D4QM00866A","DOIUrl":"https://doi.org/10.1039/D4QM00866A","url":null,"abstract":"<p >On-surface synthesis under ultra-high vacuum (UHV) conditions facilitates the fabrication of unique molecular compounds, replicating established in-solution protocols. However, the intramolecular hydroamination and cyclization (IHC) of alkynes on surfaces remain unexplored due to the challenges posed by the repulsion between the nitrogen lone pair and the alkyne π-system. Here we describe the first on-surface IHC of alkyne-functionalized molecular precursors in UHV environment on the Au(111) surface. Notably, the synthesis introduces two pyrrole groups into the quinoidal-based precursor, enabling the formation of two fused pyrrolo-benzoquinonediimine compounds not achievable in solution chemistry. To analyze the resulting reaction products, we utilized scanning tunneling microscopy and non-contact atomic force microscopy with single bond resolution, comparing these products to those obtained through traditional solution methods. In parallel to the experimental results, we provide a detailed computational description of the key role of single gold adatoms during the complete on-surface reaction.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 5","pages":" 838-846"},"PeriodicalIF":6.0,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/qm/d4qm00866a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Achieving dual-mode long-persistence afterglow through an aromatic furan organic host–guest system†","authors":"Zheng Gong, Qingyang Cui, Xiancheng Nie, Guoqing Zhang and Biao Chen","doi":"10.1039/D4QM00977K","DOIUrl":"https://doi.org/10.1039/D4QM00977K","url":null,"abstract":"<p >Pure organic long-persistence luminescence has recently garnered significant attention due to its diverse potential applications. Nonetheless, the attainment of pure organic dual-mode long-persistence afterglow with high efficiency remains a significant challenge. Herein, we report the successful realization of high-efficiency, color-tunable dual-mode room-temperature phosphorescence (RTP) along with thermally activated delayed fluorescence (TADF) of approximately 50 ms, utilizing an aromatic furan organic host–guest system. Our investigation into this system reveals two key findings: (1) the heavy-atom effect of the host and guest molecules plays distinct roles in modulating the efficiency of the intersystem crossing (ISC) and reverse intersystem crossing (RISC) processes; and (2) the dual-mode long-persistence luminescence can be effectively adjusted by manipulating the energy gap between the excited triplet states of host and guest molecules. Additionally, we demonstrated the capability for color display utilizing this host–guest system through inkjet printing.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 4","pages":" 676-683"},"PeriodicalIF":6.0,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/qm/d4qm00977k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Skeletal editing of pyrimidines: new approaches to diverse high energy density materials","authors":"Xinyu Du, Qi Lai, Shanjun Zhang, Ping Yin, Yingqi Xia and Siping Pang","doi":"10.1039/D4QM01120A","DOIUrl":"https://doi.org/10.1039/D4QM01120A","url":null,"abstract":"<p >Exploring the structural diversity of skeletons is a pivotal strategy for seeking new energetic materials. However, the complicated skeletons often require cumbersome synthesis, which not only increases the cost but also faces unknown risks for handling energetic metastable intermediates. This review aims to collect recent progress in skeleton-editing reactions of pyrimidine through ring-opening and ring-closing processes, as well as subsequent functional group modifications. The skeleton-editing reactions and further derivations enable easy access to a broad scope of high-energy backbones, such as open-chain, monocyclic, bicyclic, and fused skeletons. Most of the energetic compounds showed promising energy properties. In addition, the low-cost raw materials, simple synthesis steps, practical applications, and other considerations provide a critical reference for further developing new energetic materials.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 6","pages":" 894-909"},"PeriodicalIF":6.0,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143583293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"New opportunities for emerging two-dimensional metastable-phase noble metal oxides in acidic electrocatalytic water splitting","authors":"Qun Wang, Mingwang Shao and Qi Shao","doi":"10.1039/D4QM00682H","DOIUrl":"https://doi.org/10.1039/D4QM00682H","url":null,"abstract":"<p >Metastable-phase materials possess unique structures, high Gibbs free energy, abundant active sites, and adjustable physicochemical properties, making them ideal candidates for optimizing electrocatalysis. As metal oxides are stable under harsh reaction conditions, by controlling the morphology, defects and phase structure of the material, the surface electronic structure of metal oxides can be adjusted to a great extent, and their catalytic performance can be optimized. As a novel addition to the 2D material family, metastable-phase noble metal oxides exhibit significant promise for catalytic reactions. Here, the latest research progress and advantages of 2D metastable-phase noble metal oxides are reviewed, and their application in acidic electrocatalytic water splitting is presented. Finally, the challenges associated with 2D metastable-phase noble metal oxides and future perspectives are discussed.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 4","pages":" 580-591"},"PeriodicalIF":6.0,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Steric hindrance of organotin compounds in controlling the batch-to-batch variance of photovoltaic polymer donors†","authors":"Yongrui He, Yuchen Yue, Jingfa Zhang, Ying Huang, Xucong Zhou, Han Shen, Kuan Li, Jie Shen, Landi Zeng, Jingjing Liu, Jingxia Wang, Bin Wang, Lei Jiang, Lijun Huo and Bing Zheng","doi":"10.1039/D5QM00005J","DOIUrl":"https://doi.org/10.1039/D5QM00005J","url":null,"abstract":"<p >Owing to its advantages of mild reaction conditions and a single reaction system, Stille coupling has become the main method of developing high-performance photovoltaic polymers. However, Stille coupling polycondensation, following a step-growth polymerization mechanism, still presents challenges in controlling the molecular weights of the polymers, leading to significant batch-to-batch variance. Herein, a strategy based on steric effects was applied to reduce molecular weight fluctuations using the large steric groups of organotin compounds to increase the difficulty of forming the transmetalation transition state. Consequently, we conducted competition experiments with small molecules and synthesized three polymers (<strong>PDF-1</strong>, <strong>PDF-2</strong>, and <strong>PDF-3</strong>) using BDF-based organotin compounds with varying steric hindrance. Theoretical calculations proved that the steric hindrance of organotin compounds significantly influenced the transition state in the transmetalation process. Device measurements revealed that the larger steric hindrance of organostannides could produce polymers with concentrated molecular weights, resulting in only a slight change in the PCEs. Although excessive steric hindrance could affect the photovoltaic properties, leading to lower PCEs, appropriate steric control of organostannides could yield polymer donors with high performance and low batch-to-batch variance. Therefore, this work provides guidelines for developing polymers with minimal batch-to-batch variance.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 5","pages":" 847-855"},"PeriodicalIF":6.0,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Construction of full-color room-temperature afterglow materials using dicyanomethylene-4H-pyrans based on an alkene conjugated bridge as the third component†","authors":"Jiayin Qian, Wenbo Dai, Xiaoyu Qiu, Shuai Xia, Yunxiang Lei, Miaochang Liu, Yan Guan, Xiaobo Huang and Huayue Wu","doi":"10.1039/D4QM01025F","DOIUrl":"https://doi.org/10.1039/D4QM01025F","url":null,"abstract":"<p >Although the alkene bond as a connecting unit is widely used to construct D–π–A luminescent molecules, room-temperature afterglow (RTA) systems containing this kind of molecule are extremely rare. In this work, a series of multi-component doped RTA materials were prepared using polyvinylpyrrolidone as the host, 2-(4-chlorophenyl)-1-(4-(diphenylamino)phenyl)ethan-1-one as the guest, dicyanomethylene-4<em>H</em>-pyrans with an alkene bond bridge as the third component, and <strong>RhB</strong> and <strong>Cy5</strong> as the fourth component. Two-component materials emit bright cyan room-temperature phosphorescence; three-component materials emit yellow-green, orange, and red afterglows, respectively; and four-component doped materials further exhibit afterglow at 740 nm in the near-infrared region. The RTA emissions of three-component and four-component materials have been shown to be delayed fluorescence, which is caused by the phosphorescence of the second component transitioning from the triplet state to the singlet state and thus the domino-type Förster resonance energy transfer of S<small>₁</small>–S<small>₁</small> between different luminescent molecules. The results reveal that using dicyanomethylene-4<em>H</em>-pyrans as the third component can lead to full-color afterglow emissions. This work gives a possible development direction for the construction of RTA materials using D–π–A fluorescent molecules.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 5","pages":" 818-827"},"PeriodicalIF":6.0,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A strongly coupled FeS2@TiO2 heterostructure with an island-like structure for high-efficiency lithium storage†","authors":"Luchao Yue, Wei Song, Yu Feng, Lixin Zhang, Ruina Shi, Lin Jiang, Jing Song, Guisheng Qi and Xuping Sun","doi":"10.1039/D4QM00675E","DOIUrl":"https://doi.org/10.1039/D4QM00675E","url":null,"abstract":"<p >Titanium dioxide (TiO<small>₂</small>) has garnered substantial interest as a potential anode material for advanced lithium-ion batteries (LIBs) owing to its superior structural stability, rapid pseudocapacitive kinetics, economic viability, and nontoxicity. Nevertheless, its practical application is significantly curtailed by the limitations in specific capacity and inferior intrinsic electronic conductivity. Although carbonaceous materials can enhance electronic conductivity to a certain extent, the deficiency in lithium storage capacity persists as a critical issue requiring amelioration. Herein, we introduce a unique heterostructure composed of TiO<small>₂</small> nanobelts and FeS<small>₂</small> nanoparticles, fabricated through a hydrothermal method, followed by cation exchange and a sulfidation process. For the heterostructure, FeS<small>₂</small> nanoparticles are <em>in situ</em> anchored on the surface of TiO<small>₂</small> nanobelts, forming an island-like p–n heterostructure (FeS<small>₂</small>@TiO<small>₂</small>). The incorporation of FeS<small>₂</small> featuring high specific capacity facilitates the emergence of a built-in electric field at the interface between the two compounds, thereby expediting the charge transport during the lithium storage process. As a consequence, the island-like FeS<small>₂</small>@TiO<small>₂</small> p–n heterostructure delivers a remarkable reversible capacity of 584.9 mA h g<small>⁻¹</small> at 1.0 A g<small>⁻¹</small> after 300 cycles, along with superior rate capability (average capacity of 204.8 mA h g<small>⁻¹</small> at 10.0 A g<small>⁻¹</small>). Even at 5.0 A g<small>⁻¹</small>, the FeS<small>₂</small>@TiO<small>₂</small> anode maintains a substantial specific capacity of 251.2 mA h g<small>⁻¹</small> over 3000 cycles, revealing its outstanding cycling stability. This study suggests that the design strategy coupling TiO<small>₂</small> with other materials that possess high specific capacity could be broadly applied to enhance its electrochemical performance.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 5","pages":" 800-808"},"PeriodicalIF":6.0,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and luminescence of Al based double perovskite quantum dots†","authors":"Liyuan Zhang, Chasina Wang and Chuanlang Zhan","doi":"10.1039/D4QM00967C","DOIUrl":"https://doi.org/10.1039/D4QM00967C","url":null,"abstract":"<p >Direct-bandgap AgIn based non-lead double perovskite quantum dots (DPQDs) face the challenge of low photoluminescence quantum yields (PLQYs). To address this issue, approaches such as ion doping and surface passivation have been developed, by which both emission color and intensity have been modulated. In this article, we selected (<em>r</em><small>_{Al<small>³⁺</small>}</small> = 0.053) to replace In<small>³⁺</small> (<em>r</em><small>_{In<small>³⁺</small>}</small> = 0.081 nm) and further used Na<small>⁺</small> (<em>r</em><small>_{Na<small>⁺</small>}</small> = 0.098 nm) to replace Ag<small>⁺</small> (<em>r</em><small>_{Ag<small>⁺</small>}</small> = 0.126 nm), resulting in the synthesis of two new types of non-doped DPQDs, <em>i.e.</em> Cs<small>₂</small>AgAlCl<small>₆</small> and Cs<small>₂</small>NaAlCl<small>₆</small>. The synthesized Al-based DPQDs have a hexagonal polycrystalline structure with average sizes of 8.84 nm and 5.76 nm, respectively. X-ray diffraction (XRD) data indicate the lattice contraction of Cs<small>₂</small>AgAlCl<small>₆</small> and Cs<small>₂</small>NaAlCl<small>₆</small> DPQDs in comparison to Cs<small>₂</small>AgInCl<small>₆</small>. X-ray photoelectron spectroscopy (XPS) data indicate the presence of all four elements Cs, Ag/Na, Al and Cl in the QDs. Compared with Cs<small>₂</small>AgInCl<small>₆</small> DPQDs, replacement of In<small>³⁺</small> with Al<small>³⁺</small> increases the PLQY from 1.5% to 7.4% and further to 8.5% when Ag<small>⁺</small> is further replaced with Na<small>⁺</small>. Doping the Cs<small>₂</small>AgAlCl<small>₆</small> and Cs<small>₂</small>NaAlCl<small>₆</small> DPQDs with Bi<small>³⁺</small> ions further increases the PLQYs to 10.1% and 11.4%, respectively. The PLQY of Cs<small>₂</small>AgAlCl<small>₆</small> DPQDs is again increased to 10.9% with the use of a ligand mixture of <em>n</em>-trioctylphosphine : oleylamine (40% : 60%). Our results demonstrate that the replacement of In<small>³⁺</small> with small radius Al<small>³⁺</small> is an effective strategy to enhance the emission of non-doped pristine direct-bandgap DPQDs and open an avenue for designing new types of DPQDs.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 7","pages":" 1118-1126"},"PeriodicalIF":6.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Halogenated dibenzoylmethane Eu3+ complexes as spectroscopic markers: a pioneering photobleaching strategy for counterfeit applications and controlling luminescence efficiency†","authors":"Alisia V. Tsorieva, Vladislav M. Korshunov, Mikhail T. Metlin, Tatiana S. Vlasova, Victoria E. Gontcharenko, Daria A. Metlina, Victor O. Kompanets, Sergey V. Chekalin and Ilya V. Taydakov","doi":"10.1039/D4QM00933A","DOIUrl":"https://doi.org/10.1039/D4QM00933A","url":null,"abstract":"<p >A novel method for identifying counterfeit goods based on the difference between photobleaching rates of spectroscopic marker components is proposed. Controlled photobleaching of the dye is achieved <em>via</em> introduction of halogens (I, Cl, Br, and F) into the aromatic moiety of the dibenzoylmethane (DBM) ligand in coordination compounds of Eu<small>³⁺</small>. A spectroscopic marker model that consists of two coordination compounds with different halogens is developed. These compounds exhibit indistinguishable luminescence spectra and emission intensities at low irradiation power. However, exceeding the threshold irradiation power results in rapid photobleaching of the marker fragment derived from the complex with the highest charge number of halogen atoms. This approach introduces new possibilities for quality control of goods that require storage in light-protected environments. The results obtained during the research have both practical and fundamental significance. For the first time, it is established that the halogenation of the DBM ligand leads to the intersystem crossing process termination. Energy of electronic excitation transfers from the singlet excited state to the ion through a charge transfer state instead of the triplet excited state. Such energy transfer pathways sensitize luminescence of Eu<small>³⁺</small> more effectively, resulting in an increase in quantum yield up to 64% upon the introduction of chlorine atoms.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 5","pages":" 809-817"},"PeriodicalIF":6.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Excited-state intramolecular proton transfer derivatives as self-absorption free luminophores for luminescent solar concentrators†","authors":"Phatsathorn Chonlateeroj, Suangsiri Arunlimsawat, Pattarapapa Janthakit, Rattanasiri Wannapakdee, Wijitra Waengdongbung, Taweesak Sudyoadsuk, Pisist Kumnorkaew and Vinich Promarak","doi":"10.1039/D4QM00874J","DOIUrl":"https://doi.org/10.1039/D4QM00874J","url":null,"abstract":"<p >Luminescent solar concentrators (LSCs) have garnered considerable attention for their potential to enhance solar energy harvesting in photovoltaic (PV) systems. However, self-absorption often hinders their efficiency, caused by the overlap between the absorption and emission spectra. Herein, we design, synthesize, and study a series of novel excited-state intramolecular proton transfer (ESIPT) dyes as a new class of self-absorption-free luminophores for efficient transparent LSC-PV devices. <strong>HBTM</strong>, <strong>HBTPM</strong>, and <strong>HBTBP</strong> dyes comprise 2-(benzo[<em>d</em>]thiazol-2-yl)phenol as an electron-donating ESIPT unit functionalized with different π–acceptor moieties of ((3-hexylthiophen-2-yl)methylene)malononitrile, (4-(3-hexylthiophen-2-yl)benzylidene)malononitrile, and (4-(3-hexylthiophen-2-yl)phenyl)(phenyl)methanone, respectively. Theoretical and photophysical analyses confirm the ESIPT nature of these dyes. They show absorption in the UV-blue region and orange-red emissions with large Stokes shifts (4388–10269 cm<small>⁻¹</small>) and decent fluorescence quantum yields (28–47%). Their LSC samples are well prepared by dispersion in a transparent polymethyl methacrylate (PMMA) matrix. The LSC slabs possess good photophysical properties of the dyes with minimal overlap integrals (OI*) of 0.28–1.56% and edge emission efficiencies (<em>η</em><small>_edge</small>) of 47–57%. Photovoltaic performance assessments reveal power conversion efficiencies (PCE) of 0.46% to 0.68% with external photon efficiencies (<em>η</em><small>_ext</small>) of 7.69% for <strong>HBTM</strong>, 6.91% for <strong>HBTPM</strong>, and 2.98% for <strong>HBTBP</strong>. Particularly, <strong>HBTBP</strong>-based LSC exhibits excellent transparency (AVT = 93%; CRI = 97) suitable for window applications. This work represents a significant step toward reducing self-absorption in LSCs while improving photovoltaic performance, paving the way for scalable solar concentrator technologies based on organic materials.</p>","PeriodicalId":86,"journal":{"name":"Materials Chemistry Frontiers","volume":" 4","pages":" 695-709"},"PeriodicalIF":6.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}