CrystEngComm最新文献

{"title":"Concentration-dependent nucleation of pyrazinamide polymorphs monitored by dynamic light scattering","authors":"Sakshi P. Dahake, Manish Kumar Mishra and Kamini Mishra","doi":"10.1039/D5CE01179E","DOIUrl":"https://doi.org/10.1039/D5CE01179E","url":null,"abstract":"<p >Understanding crystal nucleation in solution remains one of the central challenges in crystallization science, particularly in pharmaceutical systems where polymorphism plays a critical role in determining drug properties. In this study, we present a dynamic light scattering (DLS)-based approach to track nucleation pathways of pyrazinamide (PYZ), a frontline antituberculosis drug known to crystallize in multiple polymorphic forms. Five solvents, ethanol (EtOH), methanol (MeOH), tetrahydrofuran (THF), water (H<small>₂</small>O), and acetone, were investigated across three solute concentrations. In contrast to earlier DLS-based studies that primarily emphasize particle size evolution, the present work correlates early-stage DLS signatures with solvent- and concentration-dependent polymorphic outcomes across multiple solvent systems. In EtOH, distinct concentration-dependent nucleation signatures corresponded to the γ-, α-, and δ-forms, whereas MeOH and THF exhibited α- and δ-forms with differing degrees of competition between phases. In contrast, H<small>₂</small>O and acetone consistently produced a single stable polymorph (α- and δ-form, respectively), independent of concentration. DLS measurements provided valuable insight into particle size evolution, capturing nucleation events, growth dynamics, and polymorphic selection across solvent systems. Additionally, this work highlights the capability of DLS to differentiate competitive and non-competitive nucleation environments through size distribution behavior, a feature not extensively reported for pharmaceutical systems. Complementary induction time experiments were also conducted to quantitatively assess solvent-dependent nucleation kinetics. The analysis revealed substantial variations in nucleation rates and interfacial energies across the five solvents, providing independent kinetic validation of the trends observed in the DLS measurements. It also represents a significant advancement by enabling both nucleation pathway tracking and induction time analysis within a unified experimental framework by single instrument, providing direct insight into nucleation kinetics. This combined experimental strategy highlights the potential of DLS as a sensitive and non-invasive method to probe nucleation pathways in solution and demonstrates its utility in correlating concentration, solvent environment, and polymorphic outcomes. Beyond advancing the fundamental understanding of nucleation, this approach offers practical promise for monitoring the design of crystallization processes in pharmaceutical and materials science applications.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 18","pages":" 2965-2978"},"PeriodicalIF":2.6,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147872235","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}

{"title":"Single crystal growth and structural characterization of synthetic U(vi) peroxide phases, studtite (UO2(O2)(H2O)2·2H2O) and metastudtite (UO2(O2)(H2O)2)","authors":"Grant C. Benthin, Cameron J. Flester and Tori Z. Forbes","doi":"10.1039/D6CE00118A","DOIUrl":"https://doi.org/10.1039/D6CE00118A","url":null,"abstract":"<p >A H<small>₂</small>O<small>₂</small> vapor diffusion method resulted in the successful synthesis of uranyl peroxide, UO<small>₂</small>(O<small>₂</small>)(H<small>₂</small>O)<small>₂</small>·2H<small>₂</small>O (studtite) crystals, enabling the first direct structural refinement of synthetic material. Subsequent controlled dehydration of these crystals produced crystalline metastudtite, UO<small>₂</small>(O<small>₂</small>)(H<small>₂</small>O)<small>₂</small>, allowing for the experimental determination of its atomic structure.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 16","pages":" 2542-2547"},"PeriodicalIF":2.6,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2026/ce/d6ce00118a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147751116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology and crystallinity tuned luminescence properties of lanthanide-doped YPO4 nanoparticles via a facile room-temperature synthesis","authors":"Laishram Peter Singh, Loitongbam Thoithoi Singh, Aribam Rishikanta Sharma, Thokchom Taru Taru Chanu, Potshangbam Sorodhoni Devi, Konjengbam Jeelina Devi, Ningombam Banshi Devi, W. Rameshwor Singh and Raju Laishram","doi":"10.1039/D6CE00007J","DOIUrl":"https://doi.org/10.1039/D6CE00007J","url":null,"abstract":"<p >Luminescent lanthanide-doped nanoparticles are conventionally synthesised under high-temperature conditions with extended reaction times. Here, lanthanide-doped YPO<small>₄</small> nanoparticles were synthesised at room temperature by a facile co-precipitation method using sodium dodecyl sulphate (SDS) and citric acid (CA) as capping ligands to control the morphology, crystallinity, and luminescence. Uncapped YPO<small>₄</small>:Tb<small>³⁺</small> formed nanorod-like particles with a low quantum yield (∼1%), whereas ligand capping produced ultrafine polycrystalline nanoparticles. pXRD, HRTEM, and SAED analyses indicate that the particles consist of nanocrystalline domains embedded within an amorphous matrix, favouring surface-defect-mediated non-radiative decay. SDS capping led to a modest increase in quantum yield (∼7%), while stronger coordination by CA considerably enhanced nanocrystallite order, suppressed non-radiative losses, and increased the quantum yield to ∼17%. Improved crystallinity further promoted efficient Tb<small>³⁺</small> → Eu<small>³⁺</small> energy transfer in co-doped systems, with ligand-induced modulation of the local Eu<small>³⁺</small> coordination environment influencing emission colour. Finally, red- and yellow-emitting nanoparticles were synthesised through the incorporation of single and mixed lanthanide dopants, demonstrating effective colour tunability in the nanoparticles.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 18","pages":" 2911-2919"},"PeriodicalIF":2.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147872229","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}

{"title":"The effect of n-butanol on regulating the solubility–temperature characteristics for the growth of high-quality CsPbBr3 single crystals","authors":"Jianing Hu, Fangxiong Tang, Yan Zhu, Yuzhe Zhang, Huaxing Gou, Haoyan Ye, Siyu Han, Hengyong Bu and Run Xu","doi":"10.1039/D6CE00074F","DOIUrl":"https://doi.org/10.1039/D6CE00074F","url":null,"abstract":"<p >The growth of all-inorganic CsPbBr<small>₃</small> single crystals requires a temperature below 88 °C in order to avoid the orthorhombic-to-tetragonal phase transition. Here, we report a low-temperature inverse-temperature crystallization strategy based on a DMSO/<em>n</em>-butanol (NBA) mixed-solvent system. Unlike other alcohols, the monotonic retrograde solubility behavior of CsPbBr<small>₃</small> in the temperature range of 20–80 °C is achieved only when NBA is adopted, which enables crystal growth at a reduced temperature, with a high yield of up to 44.4%. The resulting CsPbBr<small>₃</small> crystals show high phase purity without CsPb<small>₂</small>Br<small>₅</small>, a narrow XRC FWHM down to 0.035°, high optical transmittance (75.4%), and prolonged carrier lifetimes (<em>τ</em><small>₂</small> = 55.4 ns and <em>τ</em><small>_avg</small> ≈ 50.2 ns). Schottky-type detectors exhibit a low dark current of 8 nA at 100 V and a hole <em>μτ</em> of 0.67 × 10<small>⁻⁴</small> cm<small>²</small> V<small>⁻¹</small>, demonstrating the promise of this solvent-engineering route for radiation detection applications.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 19","pages":" 3125-3133"},"PeriodicalIF":2.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967887","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}

{"title":"Two-dimensional Ni-BPDC MOF-nanosheet-supported low-Pt catalyst for high-performance hydrogen evolution","authors":"Xuliang Zhang, Haozhe Shen, Wen Zhang, Shuang Ma, Gang Tian, Jiangwei Zhao, Tolkyn S. Baizhumanova, Svetlana A. Tungatarova, Xiangqian Li and Heng Zhang","doi":"10.1039/D6CE00073H","DOIUrl":"https://doi.org/10.1039/D6CE00073H","url":null,"abstract":"<p >Faced with a global energy crisis and environmental pollution caused by excessive fossil fuel consumption, the electrolytic decomposition of water presents a highly viable method for generating hydrogen. However, the substantial overpotential associated with the hydrogen evolution reaction calls for highly efficient electrocatalytic materials. Herein, Pt/Ni-BPDC composite electrocatalysts were fabricated by loading Pt nanoparticles onto two-dimensional Ni-BPDC metal–organic framework nanosheets through a two-step solvothermal approach. The Pt nanoparticles display an average size of approximately 2 nm and a loading content of 1.29 wt%. Electrochemical tests demonstrate their exceptional performance. The catalyst delivers a low overpotential of 25 mV at a current density of 10 mA cm<small>⁻²</small>, exhibits a favorable Tafel slope of 36.7 mV dec<small>⁻¹</small>, and maintains outstanding operational stability over a continuous 48 hour period; its overall electrocatalytic performance closely rivals that of a benchmark commercial Pt/C. Density functional theory calculations indicate that the charge rearrangement between Pt and the support optimizes water adsorption and affords a hydrogen-intermediate Gibbs free energy of −0.34 eV, boosting the inherent catalytic performance. This strategy offers an effective pathway for developing electrocatalysts with low Pt loading and high activity for the alkaline hydrogen evolution reaction.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 19","pages":" 3117-3124"},"PeriodicalIF":2.6,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967886","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}

{"title":"Construction of a Co2(OH)2CO3@CoFe-LDH heterostructure on Ni foam with tunable interfacial properties for electrochemical applications","authors":"Qi Chen, Hongwei Duan, Yan Song, Yaning Guo, Hongge Zhang, Feng Zhang, Xiaobin Hu and Yinfeng Han","doi":"10.1039/D6CE00105J","DOIUrl":"https://doi.org/10.1039/D6CE00105J","url":null,"abstract":"<p >The rational design of hierarchical Co–Ni–Fe-based inorganic materials is of great significance for functional electrochemical applications. Here, a self-supported Co<small>₂</small>(OH)<small>₂</small>CO<small>₃</small>@CoFe-LDH hierarchical heterostructure was constructed <em>in situ</em> on a conductive nickel foam substrate <em>via</em> a one-step hydrothermal method. A prominent structural feature is that Co<small>₂</small>(OH)<small>₂</small>CO<small>₃</small> nanoneedles are uniformly and radially anchored on the surfaces of CoFe-LDH nanosheets, which effectively suppresses nanoneedle aggregation. By systematically tuning the Co<small>²⁺</small>/Fe<small>³⁺</small> molar ratio, the effects of composition on phase selectivity, nucleation behavior, and morphological evolution in the multimetallic system were elucidated. The results reveal that CoFe-LDH nanosheets preferentially form at moderate Co<small>²⁺</small>/Fe<small>³⁺</small> ratios, whereas further increasing the Co<small>²⁺</small> content leads to heterogeneous nucleation of excess Co<small>²⁺</small> species on the LDH surface and induces the directional growth of Co<small>₂</small>(OH)<small>₂</small>CO<small>₃</small>, thereby giving rise to the hierarchical heterostructure. The resulting self-supported electrode exhibits stable oxygen evolution reaction performance under alkaline conditions. <em>In situ</em> Raman spectroscopy reveals a potential-dependent surface reconstruction, evidenced by the attenuation of precursor-related metal–oxygen vibrations and the formation of (oxy)hydroxide species at the heterointerfaces, highlighting the correlation between multimetallic composition regulation and interfacial structural evolution.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 17","pages":" 2803-2814"},"PeriodicalIF":2.6,"publicationDate":"2026-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147796321","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}

{"title":"GQD-assisted MnO6 octahedra engineering in CuMnO2 for high-performance coin-cell supercapacitors","authors":"Raushan Kabir, Sudipta Goswami, Dipten Bhattacharya, Saikat Kumar Seth and Chandan Kumar Ghosh","doi":"10.1039/D6CE00061D","DOIUrl":"https://doi.org/10.1039/D6CE00061D","url":null,"abstract":"<p >The growing demand for sustainable energy solutions has accelerated research on advanced supercapacitive electrode materials. This study explores the role of graphene quantum dot (GQD) incorporation within CuMnO<small>₂</small> in tailoring morphology and energy storage performance. Here, different degrees of MnO<small>₆</small> octahedron distortion in the CuMnO<small>₂</small> nanostructure are achieved depending on the GQD concentration during the hydrothermal reaction. Due to the d-band centre modification and charge redistribution, the optimally tuned CuMnO<small>₂</small>/GQD nanostructure exhibits a 213% increase in specific capacitance (∼771.0 F g<small>⁻¹</small> at 7.0 A g<small>⁻¹</small>) compared to its pristine counterpart in 3.0 M KOH. The fabricated symmetric aqueous coin-cell supercapacitor shows a specific capacitance of ∼145.0 F g<small>⁻¹</small> at 1.0 A g<small>⁻¹</small> and an energy density of 34.2 W h kg<small>⁻¹</small> at a power density of 650 W kg<small>⁻¹</small>. We confirmed the repeatability of the charging/discharging process over 5000 cycles of operation, with 67% capacitance retention and 98% coulombic efficiency. However, an aqueous asymmetric coin-cell supercapacitor with an activated carbon anode exhibits robust performance with high specific capacitance (∼147.0 F g<small>⁻¹</small> at 2.0 A g<small>⁻¹</small>) and high energy (∼40 W h kg<small>⁻¹</small>) and power (∼1398 W kg<small>⁻¹</small>) densities. It also maintains ∼71% capacity retention and 100% coulombic efficiency after 5000 cycles. Real-world applicability is demonstrated by operating commercial LEDs, highlighting their potential as high-performance electrode materials for pseudocapacitive energy storage systems.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 19","pages":" 3074-3088"},"PeriodicalIF":2.6,"publicationDate":"2026-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147967883","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}

{"title":"Halogen-modulated zinc-based 0D hybrids for high-efficiency blue light emission","authors":"Cheng-Fang Zhang, Wen-He Zhong, Peng-Cheng Ma, Jia-Jia Zhao, Ting Cheng and Li-Zhuang Chen","doi":"10.1039/D6CE00125D","DOIUrl":"https://doi.org/10.1039/D6CE00125D","url":null,"abstract":"<p >This paper reports the facile synthesis of zero-dimensional (0D) organic–inorganic hybrid zinc halides: 2ABZnCl<small>₂</small>, 2ABZnBr<small>₂</small>, and 2ABZnI<small>₂</small> (where 2AB is 2-aminobenzamide). A halogen-modulation strategy was employed to optimize their optoelectronic properties. Notably, 2ABZnI<small>₂</small> achieves a peak photoluminescence quantum yield (PLQY) of 40.14%, a 6-fold increase over the Br-based derivative (6.05%) and a 13-fold increase over the Cl-based derivative (2.82%). Structural analysis reveals that longer Zn⋯Zn distances minimize exciton migration and suppress non-radiative losses. The iodine derivative also shows high color purity blue emission and excellent environmental stability. These results, along with successful prototype LED fabrication, demonstrate the potential of these lead-free 0D hybrids as high-performance, eco-friendly candidates for next-generation lighting and displays.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 17","pages":" 2845-2850"},"PeriodicalIF":2.6,"publicationDate":"2026-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147796335","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}

{"title":"Bi-doped rare-earth iron garnet films via lead-free liquid phase epitaxy: growth and magneto-optical properties","authors":"Yi Luo, Feifei Chen, Ming Wang, Ye Sun, Jun Pang, Jie Yu, Xiang Li, Fapeng Yu and Xian Zhao","doi":"10.1039/D6CE00013D","DOIUrl":"https://doi.org/10.1039/D6CE00013D","url":null,"abstract":"<p >High-quality bismuth-doped rare-earth iron garnet (Bi:RIG) single crystal films were grown on (GdCa)<small>₃</small>(GaMgZr)<small>₅</small>O<small>₁₂</small> (SGGG) substrates <em>via</em> a lead-free liquid phase epitaxy (LPE) method. Bi<small>₂</small>O<small>₃</small> was employed as both flux and dopant. The resulting films exhibit excellent crystallinity, featuring a pure garnet phase and a low lattice mismatch of 0.08% with the substrate. Micro-structure characterization reveals a dense and smooth surface morphology with well-defined interfaces. The prepared Bi:RIG films show exceptional optical transmittance in the 1100–1600 nm wavelength range, with peak transmittance exceeding 70% at the key optical communication wavelengths of 1310 nm and 1550 nm. Magneto-optical measurements yield Faraday rotation coefficients of 1341 deg. cm<small>⁻¹</small> at 1310 nm and 838 deg. cm<small>⁻¹</small> at 1550 nm. Furthermore, the material exhibits soft ferromagnetic behavior with a low saturation field of approximately 400 Oe, which is favorable for device miniaturization. This study demonstrates that eco-friendly LPE is a feasible approach for fabricating high-performance magneto-optical films for integrated photonic devices operating in the near-infrared region.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 17","pages":" 2762-2768"},"PeriodicalIF":2.6,"publicationDate":"2026-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147796317","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}

{"title":"Low-cost chrysotile-supported Cu–Ce bimetallic catalyst for efficient peroxymonosulfate activation: singlet oxygen-driven dye degradation","authors":"Xuekun Tang, Jiawei Huang, Wei Li, Zhenfeng Zhou, Youwei Yang and Zishuai Liu","doi":"10.1039/D6CE00071A","DOIUrl":"https://doi.org/10.1039/D6CE00071A","url":null,"abstract":"<p >Dye wastewater containing methylene blue (MB) poses a serious threat to aquatic environments due to its persistence and biological toxicity. Advanced oxidation processes based on persulfate (PMS) activation can generate a variety of highly reactive oxidative species, representing a promising approach for wastewater treatment. In this study, a chrysotile-supported Cu–Ce bimetallic catalyst (Ser-CuCe-700) was prepared by the impregnation–calcination method and used to activate PMS to degrade MB. The results showed that the catalyst calcined at 700 °C exhibited excellent catalytic performance. Under optimal conditions (catalyst dosage = 300 mg L<small>⁻¹</small>, PMS concentration = 800 mg L<small>⁻¹</small>, initial MB concentration = 20 mg L<small>⁻¹</small>, temperature = 25 °C), an MB removal efficiency of 87.7% was achieved within 90 min. Moreover, the system demonstrated a broad adaptable pH range and good stability, maintaining high degradation performance over five consecutive cycles. Mechanistic investigations revealed that the reversible valence transitions of Cu (Cu<small>²⁺</small>/Cu<small>⁺</small>) and Ce (Ce<small>⁴⁺</small>/Ce<small>³⁺</small>) established an efficient electron-transfer pathway, thereby promoting PMS activation. Quenching experiments confirmed that <small>¹</small>O<small>₂</small> served as the dominant reactive species, while SO<small>₄</small>˙<small>⁻</small> and ·OH contributed as secondary active species. This study highlights the potential of chrysotile as a low-cost natural support and provides an efficient and practical strategy for treating refractory dye wastewater.</p>","PeriodicalId":70,"journal":{"name":"CrystEngComm","volume":" 16","pages":" 2658-2669"},"PeriodicalIF":2.6,"publicationDate":"2026-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147751064","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}