Inorganic Chemistry Frontiers最新文献_第8页

A Covalent Organic Polymer Containing Dative B←N Bonds： Synthesis, Single Crystal Structure, and Physical Properties 一种含双 B←N 键的共价有机聚合物：合成、单晶结构和物理性质

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-11 DOI: 10.1039/d4qi02121e

Jinghang Wu, Jiahe Liu, Limei Rao, Yunchen Long, Qianfeng Gu, Xin Wang, Lei Zhang, Fangyuan Kang, Lang Jiang, Dangyuan Lei, Qichun Zhang

引用次数: 0

ZnIn2S4 nanosheets with tunable dual vacancies for efficient sacrificial-agent-free H2O2 photosynthesis 具有可调双空位的 ZnIn2S4 纳米片用于高效的无牺牲剂 H2O2 光合作用

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-11 DOI: 10.1039/d4qi02030h

Chen Zhang, Gao Xu, Qifeng Liang, Li Liang, Zebo Fang, Rong Wu, Shunhang Wei, Lei Wang, Xiaoxiang Xu

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Reinvestigation of the ionic conductivity of a layered Li(BH3NH2BH2NH2BH3) salt 层状锂（BH3NH2BH2NH2BH3）盐离子导电性的再研究

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-10 DOI: 10.1039/d4qi01595a

A. Prus, R. Owarzany, D. Jezierski, M. Rzepecka, W. Grochala, P. Połczyński, K. J. Fijalkowski

{"title":"Reinvestigation of the ionic conductivity of a layered Li(BH3NH2BH2NH2BH3) salt","authors":"A. Prus, R. Owarzany, D. Jezierski, M. Rzepecka, W. Grochala, P. Połczyński, K. J. Fijalkowski","doi":"10.1039/d4qi01595a","DOIUrl":"https://doi.org/10.1039/d4qi01595a","url":null,"abstract":"We reinvestigated the ionic conductivity of lithium ions for Li(BH3NH2BH2NH2BH3), an ammonia borane derivative. The observed conductivity (4.0 × 10−6 S cm−1 at 65 °C) was found to be over four orders of magnitude higher than the value reported previously at 70 °C for this compound. Since very slow thermal decomposition of Li(BH3NH2BH2NH2BH3) progresses already below 100 °C, the previous results reported for 70–130 °C most likely correspond to decomposed samples. The activation energy for the lithium conductivity of polycrystalline layered Li(BH3NH2BH2NH2BH3) (57 kJ mol−1) resembles that of powdered Li3N (59 kJ mol−1), suggesting a similar mechanism of lithium diffusion in both materials.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":7.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Diffusion-dominated redox performance of hydrated copper molybdate for high-performance energy storage 用于高性能储能的水合钼酸铜的扩散主导氧化还原性能

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-10 DOI: 10.1039/d4qi02229g

Mohammed Kuku, Mohammad Arishi, sultan Althahban

{"title":"Diffusion-dominated redox performance of hydrated copper molybdate for high-performance energy storage","authors":"Mohammed Kuku, Mohammad Arishi, sultan Althahban","doi":"10.1039/d4qi02229g","DOIUrl":"https://doi.org/10.1039/d4qi02229g","url":null,"abstract":"Development of cost-effective metal molybdates with enhanced energy storage capabilities have garnered significant attention as promising redox-active electrodes for asymmetric supercapacitors (ASCs). In this work, we synthesized binder-free copper molybdate (CMO) nanostructures on nickel foam using a simple hydrothermal process and thoroughly investigated their structural and electrochemical properties. The resulting CMO nanostructures exhibited a hybrid nanosheet-nanoplate morphology with a layered structure, providing an increased electroactive surface area. The structural integrity and elemental composition were confirmed using X-ray diffraction, X-ray photoelectron and X-ray (EDX) spectroscopy, showing a homogeneous distribution of copper, molybdenum, and oxygen elements. Electrochemical analysis showed that the hydrated CMO (CMOBH) electrode provides higher specific capacitance and redox behavior than the thermally treated CMO (CMOAH) electrode. The higher performance is attributed to the CMOBH superior conductivity and the presence of hydroxyl groups, which enhance redox-type charge storage. Moreover, the ASC device fabricated using the hydrated CMOBH and activated carbon electrodes achieved a high operating voltage of 1.6 V with a maximum specific capacitance of 142.1 F/g at 1 A/g, an energy density of 48.6 Wh/kg and power density of 12.5 kW/kg, respectively. Additionally, the device demonstrated excellent cycling stability, retaining 89.1% of its capacitance after 10,000 cycles. The ASCs also successfully powered light-emitting diodes, emphasizing their potential for practical energy storage applications.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":7.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142397675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Mg2+ modified LiBaF3: Ni2+ perovskite single crystals with broadband long wavelength near-infrared emission for imaging human vascular structures 具有宽带长波长近红外发射的 Mg2+ 修饰 LiBaF3: Ni2+ 包晶石单晶，用于人体血管结构成像

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-10 DOI: 10.1039/d4qi01797h

Di Wei, Hai-Ping Xia, Lizhi Fang, Liangbi Su, Xu Chen, Hongwei Song

引用次数: 0

Active molecular units in metal organic frameworks for artificial photosynthesis 用于人工光合作用的金属有机框架中的活性分子单元

IF 6.1 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-10 DOI: 10.1039/D4QI01363H

Subrata Mandal, Sahar Yoosefi, Alexander K. Mengele, Sven Rau and Andrea Pannwitz

{"title":"Active molecular units in metal organic frameworks for artificial photosynthesis","authors":"Subrata Mandal, Sahar Yoosefi, Alexander K. Mengele, Sven Rau and Andrea Pannwitz","doi":"10.1039/D4QI01363H","DOIUrl":"10.1039/D4QI01363H","url":null,"abstract":"Metal organic frameworks (MOFs) are polymeric solid-state coordination compounds that can link photoactive and catalytically active molecular entities and maintain their activity and mechanism within their 3D structure, resembling the large photosynthetic apparatus in natural photosynthesis. This review categorizes photocatalytically active MOFs according to their structural properties and the location of the photosensitizer (PS) and catalyst (CAT) in the following types with respect to the linker and secondary building unit (SBU): (I) the PS and CAT are represented or localized at the linker and SBU, respectively, (II) the PS and CAT are represented or localized by/at different linkers, (III) the PS and CAT are both bound to the SBU, (IV) the PS and CAT are bound to the linker or SBU but as a PS-CAT dyad, and (V) the PS and/or CAT are assembled non-covalently within MOF pores. Furthermore, all reported studies on artificial photosynthesis are summarized in the context of light-driven H2 evolution, CO2 reduction, overall water splitting, water oxidation and other oxidations such as alcohol and amine oxidation, which are relevant in the field of artificial photosynthesis. Additionally, this review presents an overview on the stability and repair strategies for these MOFs.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":6.1,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2024/qi/d4qi01363h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142398510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High-performance electrocatalytic nitrate reduction into ammonia by chitosan regulated Co nanocatalyst 壳聚糖调控 Co 纳米催化剂的高性能电催化硝酸盐还原成氨

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-09 DOI: 10.1039/d4qi02058h

Yaqian Xin, Shengbo Zhang, Jiafang Liu, Yong Jiang, Yunxia Zhang, Guozhong Wang, Haimin Zhang

{"title":"High-performance electrocatalytic nitrate reduction into ammonia by chitosan regulated Co nanocatalyst","authors":"Yaqian Xin, Shengbo Zhang, Jiafang Liu, Yong Jiang, Yunxia Zhang, Guozhong Wang, Haimin Zhang","doi":"10.1039/d4qi02058h","DOIUrl":"https://doi.org/10.1039/d4qi02058h","url":null,"abstract":"Electrocatalytic nitrate reduction reaction (NtrRR) offers an attractive alternative to the Haber-Bosh process for ambient ammonia (NH3) production. Herein, chitosan regulated Co nanoparticles (Co-NPs/CC) is designed as an electrocatalyst for achieving highly efficient NtrRR catalysis, which exhibits a high NH3 yield rate of 9181.7 ± 60.9 μg h−1 cm−2 at −1.2 V (vs. RHE) and a high Faradaic efficiency (FE) of 88.7 ± 4.0% at −1.0 V (vs. RHE) in 0.1 M K2SO4 + 0.1 M KNO3 electrolyte under ambient conditions. The Co-NPs/CC also exhibited an outstanding performance with selectivity of 99.5 ± 0.2% for NH3 synthesis. The obtained NH4+ was also qualitatively determined by colorimetric and 1H NMR methods. 15N isotopic labelling identifies that the N atom of formed NH3 originates from nitrate. Taking advantage of in situ attenuated total reflection surface-enhanced infrared adsorption spectroscopy (ATR-SEIRAS) and different electrochemical mass spectrometry (DEMS) measurements, the electrocatalytic NtrRR mechanism was verified. This work presents a novel strategy in designing nano-precious NtrRR electrocatalyst with exposed favorable active sites.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":7.0,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142385040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Modulating the birefringence of two-dimensional hybrid lead bromide perovskites using pyridine derivative cations† 用吡啶衍生物阳离子调节二维混合溴化铅包晶的双折射性

IF 6.1 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-09 DOI: 10.1039/D4QI01547A

Li-Ling Zhang, Hua Huang, Qingran Ding, Hui-Ping Xiao, Qing-Yan Liu and Yu-Ling Wang

{"title":"Modulating the birefringence of two-dimensional hybrid lead bromide perovskites using pyridine derivative cations†","authors":"Li-Ling Zhang, Hua Huang, Qingran Ding, Hui-Ping Xiao, Qing-Yan Liu and Yu-Ling Wang","doi":"10.1039/D4QI01547A","DOIUrl":"10.1039/D4QI01547A","url":null,"abstract":"Birefringent crystals for modulating the polarization of light are of technological importance in optical communications. Herein we provide two novel two-dimensional hybrid halide perovskites, [(H2-dpys)(PbBr4)] (1) (dpys = di(pyridin-4-yl)sulfane) and [(H-cmpy)4(Pb3Br10)] (2) (cmpy = 4-chloro-3-methylpyridine), which can act as birefringent crystals. Remarkably, the crystal structures and the optoelectronic performance of the hybrid lead bromide perovskites are elaborately regulated by the organic cations of pyridine derivatives. Compound 2 constructed from the H-cmpy+ cations containing the single pyridyl moiety has a significantly enhanced birefringence (0.315@550 nm) compared to compound 1 (0.192@550 nm) with two pyridyl moieties of H2-dpys2+ cations, and it is larger than those of all commercial birefringent crystals and most of the hybrid metal halide perovskites. The results of the theoretical calculations showed that the highly distorted PbBr6 octahedra and the delocalized π-conjugation of H-cmpy+ cations synergistically contribute to the enhanced birefringence of 2. This work provides a useful strategy for modulating the crystal structure and optoelectronic performance of the hybrid lead halide perovskites.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":6.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142385010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Linker engineering in mixed-ligand metal–organic frameworks for simultaneously enhanced benzene adsorption and benzene/cyclohexane separation† 混合配体金属有机框架中的连接体工程，可同时增强苯吸附和苯/环己烷分离能力

IF 6.1 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-09 DOI: 10.1039/D4QI01796J

Yong-Zheng Zhang, Xin-Dan Zhang, Yan-Kai Zhang, Fu-Tian Wang, Longlong Geng, Hui Hu, Zhen Li, Da-Shuai Zhang, Hongliang Huang and Xiuling Zhang

{"title":"Linker engineering in mixed-ligand metal–organic frameworks for simultaneously enhanced benzene adsorption and benzene/cyclohexane separation†","authors":"Yong-Zheng Zhang, Xin-Dan Zhang, Yan-Kai Zhang, Fu-Tian Wang, Longlong Geng, Hui Hu, Zhen Li, Da-Shuai Zhang, Hongliang Huang and Xiuling Zhang","doi":"10.1039/D4QI01796J","DOIUrl":"10.1039/D4QI01796J","url":null,"abstract":"The development of metal–organic frameworks (MOFs) that simultaneously possess high adsorption capacity and selectivity for benzene (Bz)/cyclohexane (Cy) separation is a formidable challenge. In this study, we employ the mixed-ligand approach to construct two novel isoreticular MOFs, designated DZU-72 and -73, to regulate Bz adsorption and Bz/Cy separation performances. Guided by the linker engineering, we have incorporated distinct dicarboxylate ligands, benzene-1,4-dicarboxylic acid (H2BDC) and naphthalene-2,6-dicarboxylic acid (H2NDC) with different aromatic rings, as second ligands into the frameworks of two MOFs, respectively. Vapor adsorption tests demonstrate that DZU-73 featuring naphthalene ring units exhibits superior uptake for Bz (6.92 mmol g−1) compared to DZU-72 (Bz: 4.30 mmol g−1) with benzene ring units. The calculated selectivity for Bz/Cy separation shows that DZU-73 has an IAST selectivity value of about 28.1, nearly 2.5 times that of DZU-72 (11.3). Breakthrough experiments further reveal that DZU-73 can effectively separate Bz/Cy mixed vapors with an interval time of 17.6 min g−1. Density functional theory (DFT) calculations indicate that the synergistic effects of optimal pore environments and host–guest interactions from the naphthalene ring are pivotal in significantly enhancing the Bz adsorption capacity and Bz/Cy selectivity of DZU-73. This work highlights that linker engineering in mixed-ligand MOFs is a powerful strategy for tuning the Bz adsorption and Bz/Cy separation.","PeriodicalId":79,"journal":{"name":"Inorganic Chemistry Frontiers","volume":null,"pages":null},"PeriodicalIF":6.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142385031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Glacial Acetic Acid as Resolution Solvent for Growing Enantiopure Crystals from Racemic Mixtures 冰乙酸作为从外消旋混合物中培育对映体纯晶体的分辨溶剂

IF 7 1区化学

Inorganic Chemistry Frontiers Pub Date : 2024-10-09 DOI: 10.1039/d4qi01944j

Hongwen Deng, Peng Yuan, Kejie Lao, Qijun Fu, Boon K. Teo, Nanfeng Zheng

引用次数: 0