Ionics最新文献

{"title":"Preparation of eco-friendly biopolymer electrolyte, K-carrageenan with zinc nitrate hexahydrate salt, for application in electrochemical devices","authors":"K. Yoghananthan, P. N. Palanisamy, S. Selvasekarapandian, S. Kamatchi Devi","doi":"10.1007/s11581-024-05786-w","DOIUrl":"https://doi.org/10.1007/s11581-024-05786-w","url":null,"abstract":"<p>K-carrageenan and various concentrations of zinc nitrate hexahydrate have been combined to develop a zinc ion-conducting biopolymer electrolyte membrane using the solution casting method. To examine the amorphous nature of the samples, X-ray diffraction (XRD) study has been used. The maximum amorphous nature is observed for 1 g K-carrageenan with 1.1 M. wt % of zinc nitrate hexahydrate biopolymer membrane. Fourier transform infrared spectroscopy (FTIR) investigations have shown that the complexation occurs between the K-carrageenan with zinc nitrate hexahydrate. Surface morphology of Pure K-carrageenan, 1 g K-carrageenan with 1.1 M.wt % of zinc nitrate hexahydrate and 1 g K-carrageenan with 1.2 M.wt % of zinc nitrate hexahydrate have been studied by SEM analysis. Pure K-carrageenan membrane (SEM) has uniform surface with uniform small pores. 1 g K-carrageenan with 1.1 M.wt % of zinc nitrate hexahydrate membrane (SEM) shows rectangular rod-shaped nature along with pores of moderate diameter. 1 g K-carrageenan with 1.2 M.wt % of zinc nitrate hexahydrate membrane SEM shows rectangular rod-shaped nature along with pores of moderate diameter and aggregates. For the zinc-doped biopolymer membrane samples, the differential scanning calorimetry (DSC) is used to determine the glass transition temperature. Pure K-carrageenan has got T_g value at 37.04 °C. When the salt concentration is increased upto 0.9 M.wt % of the T_g value increases. When the salt concentration is further increased upto 1.1 M.wt % of the T_g value decreases. Highest zinc ion conducting membrane has got a T_g value of 75.95 °C. According to electrochemical impedance spectroscopy (EIS), the 1 g K-carrageenan with 1.1 M. wt % of zinc nitrate hexahydrate membrane has highest zinc ion conductivity of 2.9 × 10⁻³ S cm⁻¹. According to the linear sweep voltammetry (LSV) investigation, the 1 g K-carrageenan with 1.1 M. wt % of zinc nitrate hexahydrate membrane has shown a wide electrochemical stability window of 2.75 V. The Evans polarization method determined that Zn²⁺ ion has a transference number of 0.42. The cyclic stability of highest conducting biopolymer membrane (Zn²⁺ ion) is studied by Cyclic Voltammetry. The electrolyte used in the construction of the primary zinc battery is 1 g K-carrageenan with 1.1 M. wt % of zinc nitrate hexahydrate having highest zinc ion conductivity. For this built-in battery, the OCV (Open Circuit Voltage) is found to be 1.43 V.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metal oxide nanomaterial-modified ion-selective electrodes for detection of NH4+ in aquaponic systems: electrochemical analyses, characterization, and sensing mechanism","authors":"Nguyen Thi Dieu Thuy, Yu Han, Xiaochan Wang, Guo Zhao","doi":"10.1007/s11581-024-05799-5","DOIUrl":"https://doi.org/10.1007/s11581-024-05799-5","url":null,"abstract":"<p>Potentiometric NH₄⁺ sensors were developed by modification of ion-selective electrodes with different metal oxide nanomaterials forming solid-contact layers, including titania (TiO₂), manganese dioxide (MnO₂), and stannic oxide (SnO₂). A potentiometric method was used to determine the basic analytical parameters of the sensors. Furthermore, electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), and water layer tests were used to evaluate the electrochemical features of the electrodes. The results for the modified metal oxides and unmodified electrodes were compared, and the effectiveness of each material as a solid-contact layer on the electrode was evaluated. The best results were found for an electrode with a solid-contact layer of SnO₂ nanomaterial (GCE/SnO₂/NH₄⁺-ISM). The GCE/SnO₂/NH₄⁺-ISM electrode displayed a selective and fast response to NH₄⁺ ions (4.8 s) during the potential measurements. In this case, a slope of 47.17 mV/decade (<i>R</i> = 0.99), a linearity range of 1 × 10⁻⁷–1 × 10⁻² M, and a limit of detection of 1.18 × 10⁻⁸ M were obtained. This electrode exhibited good reproducibility, a high potential response, and stability, making it an attractive alternative for the development of effective SC-ISEs to detect NH₄⁺ in aquaponic nutrient solutions.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Simultaneous identification of several Helicobacter pylori virulence factors based on chitosan@ionic liquid and graphitic carbon nitride modified glassy carbon microspheres ionic liquid paste electrode","authors":"Wenli Qiao, Zhen Zhang, Xiying Tang, Mengjun Chang, Le Guo, Xinsheng Liu, Yonghong Li","doi":"10.1007/s11581-024-05804-x","DOIUrl":"https://doi.org/10.1007/s11581-024-05804-x","url":null,"abstract":"<p><i>Helicobacter pylori</i> (<i>H. pylori</i>) can cause a variety of gastric diseases, such as chronic gastritis, gastric ulcer, intestinal metaplasia, and dysplasia, and eventually lead to gastric cancer. Therefore, it is crucial to achieve early diagnosis of <i>H. pylori</i>. The biosensing platform was constructed for Epitope Vaccine against Four Virulence Proteins from <i>H. pylori</i> (FVpE) based on chitosan (CS)@ionic liquid (IL) and graphitic carbon nitride (g-C₃N₄) modified glassy carbon microspheres ionic liquid paste electrode. The results showed that the substrate electrode had good electrical conductivity, which could amplify the response signal and improve the detection sensitivity. The developed immunosensor exhibited good immunoreactivity for <i>H. pylori</i> antibodies with wide linear range (0.05–5 ng mL⁻¹) and low detection limit (0.01 ng mL⁻¹). In addition, the electrochemical immunosensor presented quick response, high sensitivity, good specificity, and stability. The immunosensor could be used to detect <i>H. pylori</i> in serum samples with recoveries between 99 and 112%. It can provide a theoretical basis for the development of label-free electrochemical <i>H. pylori</i> immunosensors.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing oxygen distribution in proton exchange membrane fuel cells based on modified gas diffusion layer designs: a comparative study","authors":"Cam Tu Ngo, Ba Hieu Nguyen, Hyun Chul Kim","doi":"10.1007/s11581-024-05809-6","DOIUrl":"https://doi.org/10.1007/s11581-024-05809-6","url":null,"abstract":"<p>This study analyzes new artificial changes in innovative gas diffusion layers (GDLs) to maximize the performance of proton exchange membrane fuel cells (PEMFCs). Specifically, a new perforated grooved uniform gas diffusion layer (PG-GDL) is used to improve the water drainage and oxygen transport using three-dimensional modeling and simulations of a single-channel PEMFC. Comparative analyses are performed between the different perforated GDLs and the conventional GDLs using groove depth inside a PG-GDL. Findings show that the uniform grooved shape in the PG-GDL produces a more uniform oxygen flow and distribution with an overall improvement in the PEMFC performance. Our study shows that the appropriate GDL design should be obtained to optimize the PEMFC performance.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"g-C3N4@COF heterojunction filler for polymer electrolytes enables fast Li+ transport and high mechanical strength","authors":"Yongbiao Liu, Yang Song, Yongshang Zhang, Jiande Liu, Lin Li, Linsen Zhang, Lulu Du","doi":"10.1007/s11581-024-05796-8","DOIUrl":"https://doi.org/10.1007/s11581-024-05796-8","url":null,"abstract":"<p>Solid polymer electrolytes (SPEs) show great promise for high-energy and high-safety lithium metal batteries. However, current SPEs suffer from low ionic conductivity and poor mechanical strength. Herein, the g-C₃N₄@COF heterojunction filler is constructed for SPEs for fast Li⁺ transport and high Li⁺ transference number. In addition, a robust 3D network is fabricated by using g-C₃N₄@COF heterojunction filler in order to further improve the mechanical robustness and electrochemical stability. As a consequence, the g-C₃N₄@COF-3D network/polymer electrolyte displays an ionic conductivity of 1.25×10⁻⁴ S cm⁻¹ at 30 ℃, an electrochemical window of 5.0 V and the tensile strength of 8.613 MPa. Furthermore, the assembled LiFePO₄//Li battery with the g-C₃N₄@COF-3D network/polymer electrolyte presents remarkable cycling stability with a capacity retention of 99.71% after 600 cycles. The above results indicate the great potential of the g-C₃N₄@COF-3D network/polymer electrolyte for advanced energy storage devices.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gradient hydrophobicity and thickness regulation treatment of stacked microporous layers to improve proton exchange membrane fuel cell performance","authors":"Haihang Zhang, Haiming Chen, Juyuan Dong, Chongxue Zhao, Weimin Yang, Guangyi Lin","doi":"10.1007/s11581-024-05817-6","DOIUrl":"https://doi.org/10.1007/s11581-024-05817-6","url":null,"abstract":"<p>In this paper, based on the principle of gradient aperture, a cathode gas diffusion layer with three microporous layers was prepared using conductive carbon black with three different particle sizes. The thickness of the microporous layers was studied, and a gradient hydrophobic structure was designed. The purpose was to maximize the output performance of the cell by adjusting the preparation parameters of the microporous layers. The physical and electrochemical properties of each sample showed that the change in micropore layer thickness redistributed the pore size distribution of the gas diffusion layer, especially increasing the number of pore sizes in the range of 20–40 µm. They improved the liquid water transport capacity of the gas diffusion layer at high current density. The gradient hydrophobic structure of the microporous layer promoted the cathode gas diffusion layer to expel liquid water in time and ensure the oxygen supply. The results showed that when the microporous layer thickness was 60 µm. The hydrophobic agent content in the three microporous layers was 10 wt%, 20 wt%, and 30 wt%, respectively, the limiting power densities of 0.883, 0.916, and 0.863 W/cm² could be achieved under the three humidity conditions of 40%, 60%, and 100%, respectively. The limiting power density increased by 17.1%, 12.0%, and 18.1%, respectively, compared with the samples with the same optimal thickness but no gradient hydrophobic structure.\u0000</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Supercapacitor performance of low-cost composite based on hyperbranched nickel-phthalocyanine and silk cotton carbon from Ceiba pentandra fruit","authors":"Mohammed Yaseen, Mahadevappa Y. Kariduraganavar, AfraQuasar A. Nadaf, Mahesh S. Najare, Shivaraj Mantur","doi":"10.1007/s11581-024-05807-8","DOIUrl":"https://doi.org/10.1007/s11581-024-05807-8","url":null,"abstract":"<p>Supercapacitors have developed popularity as energy storage devices due to their high safety, superior affordability, and environmental sustainability. Phthalocyanines (Pcs) are one among the many metal–organic frameworks which have received minimal attention as an electrode material. Herein, the electrode material hyperbranched Ni-phthalocyanine (HDNiPc) intercalated with silk cotton carbon (SCW) obtained from <i>Ceiba pentandra</i> fruit has been explored for its supercapacitance property in different ratios. The electrode modification was carried out using the binder poly (vinyl alcohol)-tetraethyl orthosilicate (PVA-TEOS) cross-linked hybrid solution. The morphology of the composite was confirmed through physicochemical characterization like BET, SEM, and XRD, and electrochemical features were studied through cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS). The HDNiPc-SCW of 1:3 ratio has demonstrated superior specific capacitance of 230.94 F g⁻¹ at 0.5 A g⁻¹ and good cyclic stability of 94.15% for over 5000 cycles. This work delivers a promising approach towards the development of supercapacitors using low-cost phthalocyanine/silk cotton carbon composite.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Formation of flower-like Cu2O thin films induced by nitrate through electro-deposition for PEC water reduction","authors":"Yuliang Hao, Xiaolei Zuo, Weiyi Zhao, Jichuan Wu, Xiaoqiang lin, Hongyan Wang, Zeshan Wang, Chuanxiang Hao, Song Xue","doi":"10.1007/s11581-024-05805-w","DOIUrl":"https://doi.org/10.1007/s11581-024-05805-w","url":null,"abstract":"<p>Cuprous oxide (Cu₂O) is a highly promising photocatalyst that facilitates efficient water splitting and hydrogen production under light conditions. In this study, Cu₂O thin film photocathodes were prepared through electro-deposition, with the inclusion of <span>(mathrm{NO}^{-}_{3})</span> ions resulting in the formation of a flower-like microstructure. The size, distribution and roughness of these clusters were found to be greatly influenced by the concentration of the <span>(mathrm{NO}^{-}_{3})</span> ions as confirmed by SEM and AFM characterizations. When 0.4 M <span>(mathrm{NO}^{-}_{3})</span> ions were used, a flat and compact structure with the smallest ‘flower bud’ was obtained. This structure achieved a maximum photocurrent density of − 2.90 mA/cm² @0 V vs. RHE, which is 2.2 times greater than that of bare Cu₂O. UV–Vis absorption, steady-state fluorescence spectroscopy and EIS measurements suggest that the compact microstructure facilitates enhanced ultraviolet absorption and separation of photogenerated holes and electrons. This results in a lower charge transfer resistance and a significant increase in photocurrent density. Additionally, a growth mechanism for the flower-like Cu₂O was proposed. The XPS and EDS analyses indicate that the addition of <span>(mathrm{NO}^{-}_{3})</span> during Cu₂O formation results in the adsorption of <span>(mathrm{NO}^{-}_{3})</span> onto the surface of the initial Cu₂O grain. This, in turn, catalyses the electrocatalytic reduction of <span>(mathrm{NO}^{-}_{3})</span> on the surface of Cu₂O, leading to the formation of NH + 4 ions as evidenced by XPS.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Eco-friendly preparation of V2O5/g-C3N4 nanosheets as efficient high-performance supercapacitor electrode material","authors":"P. Vijayakumar, N. Sethupathi, S. Manikandan, P. Mahalingam, P. Maadeswaran, K. A. Rameshkumar","doi":"10.1007/s11581-024-05815-8","DOIUrl":"https://doi.org/10.1007/s11581-024-05815-8","url":null,"abstract":"<p>V₂O₅/g-C₃N₄ composites including g-C₃N₄ nanosheet carbon have been widely studied to solve challenges such as poor intrinsic electrical conductivity, substantial irreversibility, and exceptional stability. A time-saving hydrothermal autoclave synthesis method was used to fuse V₂O₅/g-C₃N₄ composite strands. V₂O₅/g-C₃N₄ composite is a hybrid nanoparticle with important properties for the electrode of a supercapacitor that has been studied and published. The phase structure, space group, and crystallite size of nanoparticles were determined using X-ray diffraction (XRD) peak examination. The resulting materials are analyzed using the Fourier transform infrared spectrometer (FTIR), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscope (HRTEM), Brunauer–Emmett–Teller (BET), and X-ray photoelectron spectroscopy (XPS). The average crystalline diameters of graphitic carbon nitride (g-C₃N₄), vanadium pentoxide (V₂O₅), and V₂O₅/g-C₃N₄ composites are 28 nm, 16 nm, and 12 nm, respectively. FESEM determines the distribution of V₂O₅ throughout the g-C₃N₄ nanosheets. XPS detects the elements present in the composite, confirming the presence of V, O, C, and N. The V₂O₅/g-C₃N₄ composite provides insights into the surface chemistry and probable interactions between V₂O₅ and g-C₃N₄. V₂O₅/g-C₃N₄ nanoparticles have a specific capacitance of 286.54 F/g and are estimated at 2 A/g using the galvanostatic charge–discharge technique, which provides superior stability even after 3000 charge/discharge cycles. Their remarkable performance is due to the synergistic impact of g-C₃N₄ and V₂O₅/g-C₃N₄. Such outstanding results may open up new possibilities for these electrode materials in high-energy–density storage devices. The composites also showed high cycle stability due to the peculiar structure of the V₂O₅ and synergy with g-C₃N₄.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structure, morphology, and luminescence properties of sol–gel-synthesized pure and cobalt-doped MgO nanoparticles","authors":"Purushotham Endla","doi":"10.1007/s11581-024-05812-x","DOIUrl":"https://doi.org/10.1007/s11581-024-05812-x","url":null,"abstract":"<p>This work reports a new morphology-inheriting methodology for pure and cobalt-doped MgO nanoparticles. MgO nanoparticles (MNPs) and co-doped MgO nanoparticles (CoMNPs) were synthesized at low temperatures using the sol–gel method with various concentrations (1%, 3%, 5%, and 7%) of Co ions. Powder X-ray diffraction (PXRD) was used to analyze the structures of the pure MNPs and CoMNPs, revealing a single cubic phase free of secondary phases after calcination at 600 °C. The average crystallite size showed good agreement between the Debye–Scherrer and Hall–Williamson methods, and the FESEM images showed uniform spherical shapes with high crystallinity. Furthermore, the results were corroborated by calculations of the lattice strain and dislocation density. The crystallite size decreased from 14.66 to 11.38 nm (with the Scherrer method) and from 14.88 to 11.67 nm (with the Hall–Williamson method) as the Co doping concentration increased from 1 to 7%, showing a relationship between the two parameters. The effects of MNPs and CoMNPs on the characteristic photoluminescence (PL) peaks and photoluminescence properties of the produced nanoparticles were systematically examined, and both MNPs and CoMNPs were characterized using various techniques, such as FESEM and UV‒visible absorption spectroscopy. Using UV‒visible spectroscopy, the measurements were recorded in the wavelength range from 200 to 650 nm, and the energy gap values evaluated from Tauc’s plot were 5.45 eV for MNPs and 5.62, 5.82, 6.06, and 6.31 eV for 1%, 3%, 5%, and 7% co-doped MNPs, respectively.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}