ChemistrySelect
·
2022
·Vol. 7
·期 39
·e202203074
·
IF 2.307
Tengfei Cao,Yuanjie Wang,Zhihuang Xu,Liwang Ye,Xinxin Zhuang
Graphical Broadband emitting materials are enticing, due to their extensive use in solid-state lighting and displays, which have the potential to replace traditional presentation systems. This paper offered a particular example on the research for In 3+ -based single-component bluish-white-light emitting materials. Low-dimensional organic-inorganic hybrid halides (OIHs) with wide emission band have drawn in plenty of consideration in recent years, due to their good luminescence potential, low cost and stable chemical properties. In this work, we reported two new zero-dimensional (0D) OIH single-crystals, (N-AEP)InCl 6 ⋅ H 2 O (N-AEP=N-Aminoethylpiperazine, 1 ) and (N-AEP)InBr 6 ⋅ H 2 O ( 2 ), both belong to the orthorhombic space group of C 222 1 . Systematic characterizations of the compounds including crystal structure, thermal, and photophysical properties were carried out. Luminescence properties studies indicated their dual-emission characteristics, which was attributed to the synergy of organic and inorganic groups. Significantly, complex 1 showed blue-light (color coordinates: (0.18, 0.16)) emission upon UV excitation, while a rare bluish-white light (color coordinates: (0.24, 0.24)) was observed in 2 , depending on the assembly of high-energy emission in (N-AEP) 3+ and low-energy emission in [InBr 6 ] 3− octahedron. This paper offered a particular example on the research for In 3+ -based single-component materials with wide emission bands.
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JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Yuhua Zhen,Xinyu Cai,Wenjie Yang,Yuanyue Qie,Jiahao Li,Gaohui Ren,Wei Xing,Qingzhong Xue,Hongxia Geng
Sulfide solid electrolytes (SSEs) are promising materials for developing safe and high-performance all-solid-state lithium batteries (ASSLBs). However, enhancing the ionic conductivity, air stability, and electrolyte/electrode interface compatibility of vulcanized solid electrolytes simultaneously remains a significant challenge. Here, we propose a dual doping strategy (In 2 S 3 and LiI) based on liquid-phase method for the preparation of SSEs. In 2 S 3 and LiI can widen the Li + diffusion pathways and enhance the ionic conductivity. Meanwhile, In 2 S 3 can enhance the (electro)chemical stability and suppress the formation of lithium dendrites and H 2 S. Consequently, the prepared Li 7 P 2.94 In 0.1 S 10.9375 I 0.125 (LPInSI) solid electrolyte exhibited high ionic conductivity (2 mS·cm −1 ), excellent electrochemical stability, and air stability at 25 ℃. Based on this, ASSLBs fabricated with Li-In alloy anodes enhance the compatibility of the electrolyte/electrode interface, deliver a discharge capacity of 165.2 mAh·g −1 at room temperature, and retain 87.6 % of the specific discharge capacity after 300 cycles at 0.2 C. This study offers a viable approach for the synthesis of practical SSEs and high-performance ASSLBs.
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Nanomaterials
·
2026
·Vol. 16
·期 8
·474
·
IF 4.8
Chang Chen,Yaohui Xu,Qin Wang,Zhao Ding
CeO2is widely studied in catalysis owing to its Ce4+/Ce3+redox couple and oxygen storage capacity (OSC), but its low-temperature redox activity remains a challenge. To address this, this study investigates the effects of saturated In3+doping (1 mol.%) on the structural, redox, and catalytic properties of nano-octahedral CeO2. Structural and chemical analyses reveal that In3+doping induces lattice contraction from 5.4171 to 5.4129 Å, increases oxygen vacancy concentration from 29.7% to 39.8%, and raises surface Ce3+fraction from 27.6% to 30.0%. Consequently, H2-TPR measurements show that the surface reduction peak temperature decreases from 548 to 406 °C and the onset reduction temperature shifts from 309 °C to 183 °C. Quantitative OSC analysis further demonstrates that the low-temperature OSC increases from 13.17 to 20.57 mmol O2/mol and the high-temperature OSC from 53.36 to 59.38 mmol O2/mol upon doping. As a result of these enhancements, CO-TPSR tests reveal improved low-temperature CO oxidation performance, with the CO2light-off temperature decreasing from 99 to 72 °C and the rapid oxidation temperature from 153 to 96 °C. Notably, H2O and H2signals are detected during CO-TPSR, and FTIR analysis confirms the enrichment of surface hydroxyl groups in the doped sample, offering new mechanistic insights into the involvement of surface species in the reaction pathway. Overall, saturated In3+doping effectively enhances the oxygen vacancy concentration, surface reducibility, and CO oxidation activity of nano-octahedral CeO2.
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ELECTROCHIMICA ACTA
·
2025
·
IF 5.6
Bangqian Wang,Jianjun He,Congcong Zhu,Bangcai Huang,Haijun Chen,Shan Guo,Fuzhong Wu,Guanghui Liu,Yong Deng,Xinyi Dai
The monoclinic Li 3 V 2 (PO 4 ) 3 cathode demonstrates significant promise for high-performance lithium-ion batteries (LIBs) technologies, primarily due to its outstanding energy density and enhanced safety performance. However, its practical application was hindered by inherent limitations, particularly, intrinsically restricted electron mobility and pronounced capacity fading during cycling at voltages exceeding 4.6 V. To overcome these challenges, this study employs a facile sol-gel method to synthesize carbon-coated Li 3 V 2 (PO 4 ) 3 materials while introducing In 3+ substitution for partial V 3+ sites. Electrochemical evaluations substantiate that the optimal In 3+ doping level of Li 3 V 2 (PO 4 ) 3 (LVP/C-In0.09) exhibits significantly enhanced performance. Specifically, the LVP/C-In0.09 sample delivers remarkable capability, sustaining 131.4 mAh g −1 at 10 C while maintaining 88.4 % of initial capacity after 500 cycles, surpassing the undoped LVP/C sample (initial capacity: 106.5 mAh g −1 ; retention: 75.7 %). XRD analysis indicates that incorporating In 3+ effectively broadens Li + diffusion channels. XAFS characterization reveals that the unit cell expansion is attributed to an increased V-V interatomic distance. Additionally, the controlled In 3+ doping effectively decreases the electrochemical resistance while substantially improving Li + diffusion kinetics. This study proposes a potential strategy to boost the practical application of Li 3 V 2 (PO 4 ) 3 in LIBs.
研究领域:
材料科学
·
电化学
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SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
·
2025
·
IF 4.6
Mu-Lan Yao,Si-Lu Wang,Si-Mian Liu,Xiao Wang,Ji-Jiang Wang,Xiang-Yang Hou
This study presents a novel method for simultaneous identification of Hg 2+ , In 3+ , and Zr 4+ ions in solution using a double-emission fluorescence MOFs composite (EY@MOF-1) as a probe. The new pure zinc-based metal-organic framework ({[Zn 3 (TPPO) 2 (1,4-IYI) 2 ]·3H 2 O} n , MOFs-1, Tri( p - carboxyphenyl) phosphorus oxide = H 3 TPPO,1-(4-imidazol-1-ylphenyl)-imidazole = 1,4-iyi, Eosin Y = EY) produces strong single emission fluorescence at 364 nm when excited at 320 nm. Utilizing its unique fluorescent properties, MOFs-1 can effectively identify Hg 2+ , In 3+ , and Zr 4+ ions in solution. However, the fluorescence quenching effect caused by the three ions is identical, making it impossible to accurately determine which metal is the identified ion. To address this issue, a post-modification synthesis strategy was used to construct EY doped dual-emission fluorescent material EY@MOF-1. As expected, EY@MOF-1 can effectively identify and differentiate Hg 2+ , In 3+ , and Zr 4+ ions in solution based on their different fluorescence quenching changes. The probe has a limit of detection of 0.18 μM (Zr4+), 0.20 μM (In3+), and 0.13 μM (Hg2+) within a certain concentration range. The mechanism of fluorescence recognition was investigated in depth. This double emission fluorescence probe, with its high sensitivity and selectivity, is the first of its kind and provides a simple and reliable method for effective identification of Hg 2+ , In 3+ , and Zr 4+ . It has potential applications in environmental monitoring and is a valuable tool for ion identification.
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INORGANIC CHEMISTRY
·
2019
·
IF 4.85
Ya-Ping Gong,Yun-Xiang Ma,Shao-Ming Ying,Jiang-Gao Mao,Fang Kong
Two new indium sulfate tellurites, namely, In2(SO4)(TeO3)(OH)2(H2O) and In3(SO4)(TeO3)2F3(H2O), were synthesized by hydrothermal method in a one-pot reaction. Their pure phase yields have been successfully optimized to 76% and 21%, respectively. In2(SO4)(TeO3)(OH)2(H2O) crystallized in centrosymmetric (CS) space group P21/n, while In3(SO4)(TeO3)2F3(H2O) formed a non-centrosymmetric (NCS) and chiral space group P212121. The CS compound features a 2D layered structure composed of 2D indium oxide layers decorated by sulfate tetrahedra and tellurite groups. The NCS compound displays a 3D network consisting of indium tellurite layers bridged by sulfate tetrahedra. Powder second harmonic generation measurements disclosed that In3(SO4)(TeO3)2F3(H2O) exhibits a weak frequency-doubling efficiency about 11% of the commercial KDP. Its powder laser damage threshold quantity was estimated to be 79.6 MW/cm2, which is about 36 times that of AGS. The two samples present wide optical band gaps of 4.86 and 4.10 eV, respectively, which were determined by Te, In, and O atoms based on density functional theory calculations.
研究领域:
无机化学
·
材料科学
·
光学
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Nanoscale
·
2019
·Vol. 11
·期 16
·7903-7912
·
IF 6.97
Xunyi Dong,Emmanuel Acheampong Tsiwah,Tan Li,Junjie Hu,Zixiong Li,Yanxi Ding,Zhao Deng,Wenhui Chen,Like Xu,Peng Gao,Xiujian Zhao,Yi Xie
In this work, a new trivalent ion-mediated one-pot synthetic protocol is reported to create two well-defined optical absorbance and photoluminescence (PL) emissions in all-inorganic halide perovskite nanocrystals (NCs). The foreign M3+ cations (M = Bi, Al, In), typically from BiBr3, BiFeO3, BiCl3, AlBr3 or InBr3, function as capping ligands for generating a growth-constrained thinner nanoplatelet (NPL) population displaying the quantum confinement effect. The formation mechanism of the growth-constrained NPLs is proposed based on density functional theory (DFT) on the different slab energy of the representative NPLs achieved in the presence of Bi3+ ions and the density of states (DOS) of the supposed bulk perovskites. Notably, the formation of two groups of NCs with different sizes allows for the generation of dual optical absorbance and PL emissions. The influence of the M : Pb molar ratios on the precursors is systematically elucidated, from which the relative intensity and position of each PL emission can be fine-tuned. By virtue of the representative NPLs with well-defined green and blue emissions, the M3+-assisted synthetic protocol provides a facile and cost-effective route for producing unique NCs and nanostructures for optoelectronic device applications.
研究领域:
材料科学
·
纳米技术
·
光电技术
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JOURNAL OF THE AMERICAN CERAMIC SOCIETY
·
2025
·Vol. 108
·期 10
·e70008
·
IF 3.8
Ying Xue,Zhuo Wang,Caidan Hou,Xin Li,Zixiong Sun
In TiO 2 colossal dielectric ceramics co-doped with In 3+ and Nb 5+ , the electron-pinned defect-dipoles effect is strongly influenced by the adjacent and overlapping interaction between diamond ( Nb 2 5 + Ti 3 + A Ti ${\mathrm{Nb}}_{\mathrm{2}}^{{\mathrm{5 + }}}{\mathrm{Ti}}^{{\mathrm{3 + }}}{{\mathrm{A}}}_{{\mathrm{Ti}}}$ (A = Ti 4+ /In 3+ /Ti 3+ )) and triangle ( In 2 3 + V O · · Ti 3 + ${\mathrm{In}}_{\mathrm{2}}^{{\mathrm{3 + }}}V_{\mathrm{O}}^{ \cdot \cdot }{\mathrm{Ti}}^{{\mathrm{3 + }}}$ ) defect clusters. Although acceptor doping introduces oxygen vacancies ( V O · · $V_{\mathrm{O}}^{ \cdot \cdot }$ ) that facilitate the formation of triangular ( In 2 3 + V O · · Ti 3 + ${\mathrm{In}}_{\mathrm{2}}^{{\mathrm{3 + }}}V_{\mathrm{O}}^{ \cdot \cdot }{\mathrm{Ti}}^{{\mathrm{3 + }}}$ ) defect clusters, this doping inevitably results in the presence of additional diamond ( Nb 2 5 + Ti 3 + A Ti ${\mathrm{Nb}}_{\mathrm{2}}^{{\mathrm{5 + }}}{\mathrm{Ti}}^{{\mathrm{3 + }}}{{\mathrm{A}}}_{{\mathrm{Ti}}}$ (A = In 3+ )) defect clusters. Unfortunately, this structure complexity hinders a clear understanding of the intrinsic relationship between the colossal dielectric properties and low-temperature dielectric relaxation associated with individual defect clusters. Therefore, creating novel defect clusters to achieve high electron localization is crucial for the advanced TiO 2 -based ceramics. Herein, a colossal dielectric constant of up to 3.4 × 10 4 and a low dielectric loss of 0.044 are observed at 1 kHz and room temperature for the first time in cation–anion (In 3+ and F − ) co-doped TiO 2 ceramics. Meanwhile, the materials exhibit excellent frequency stability and meet the temperature requirements defined by the X9R standard. Dielectric relaxation associated with electrons in the low-temperature range of 2–30 K is attributed to the generation of novel diamond defect clusters ( In 3 + Ti 4 + F 2 − ${\mathrm{In}}^{3+}{\mathrm{Ti}}^{4+}{\mathrm{F}}_{2}^{-}$ ). Combined with density functional theory calculations, the notable electronegativity of F − promotes electron localization without relying on V O · · $V_{\mathrm{O}}^{ \cdot \cdot }$ -related defect clusters formations. Overall, the study presents a novel strategy for designing next-generation colossal dielectric ceramics.
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CERAMICS INTERNATIONAL
·
2026
·
IF 6
Kuan Liu,Guixiang Liu,Bo Dai,Qiuyang Zhang,Yong Ren,Fang Xu,Junbo Wu,Wei Wang,Jiurui Yang,Yulin He
Bi 1.2 Ca 1.2 Y 0.6 Zr 0.4 In x V 0.4 Fe 4.2-x O 12 (x = 0, 0.1, 0.2, 0.3, 0.4, and 0.5) ceramics were prepared using a conventional ceramic process at a reduced sintering temperature. The phase composition, microstructure, and electromagnetic properties of the as-prepared samples were characterized by X-ray diffraction, scanning electron microscopy equipped with energy spectrometer, vibrating sample magnetometry, and precision impedance analyzer.The results indicated that the substitution of Bi 3+ ion effectively reduced the sintering temperature of YIG ferrite, the magnetic-dielectric properties of the YIG ferrite could be precisely tuned by adjusting the content of In 3+ ions. The highly dense ceramic samples with garnet structure were obtained at a sintering temperature of 1020 °C. The sintered sample with x = 0.2 exhibited the optimum comprehensive performance: an average grain size of 3.4 μm, 4π M s of 1184.81 G; and an initial permeability of 78.6, a magnetic loss of 7.06× 10 −3 , and a permittivity of 16.67 at 100 kHz.
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MOLECULES
·
2023
·Vol. 28
·期 24
·8059
·
IF 4.6
Tao Wang,Bingkai Gao,Jiehong Li,Zhijun Wang,Panlai Li
Cr3+-doped Sr3Ga2Ge4O14:0.03Cr3+(SGGO:0.03Cr3+) phosphor was synthesized via a high-temperature solid-phase method. Considering the tunable structure of SGGO, Ga3+ions in the matrix were substituted with In3+ions at a certain concentration. The tuned phosphor produced a red-shifted emission spectrum, with its luminescence intensity at 423 K maintained at 63% of that at room temperature; moreover, the internal quantum efficiency increased to 65.60%, and the external quantum efficiency correspondingly increased to 21.94%. On this basis, SGIGO:0.03Cr3+was encapsulated into apc-LED, which was applied in non-destructive testing (NDT) experiments, successfully realizing the recognition of water and anhydrous ethanol, proving its potential application in the field of NDT.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Kechen Zhang,Haojing Xu,Yuhe Shao,Zaisheng Wen,Ting Wang,Mingyue Chen,Zhen Song,Quanlin Liu
Achieving excitation-free, long-range target surveillance under complete darkness remains a critical challenge for night-vision technology. Here, a breakthrough is reported in near-infrared (NIR) persistent luminescence (PersL) materials designed specifically for this frontier. Through strategic bandgap engineering via Sm 3 ⁺ co-doping and In 3 ⁺ solid-solution incorporation in the novel Cr 3 ⁺-doped Mg 3 Ga 1.9 In 0.1 SnO 8 spinel phosphor, the afterglow intensity and duration are dramatically enhanced. The optimized material exhibits an ultra-long NIR PersL exceeding 168 h. Crucially, PDMS films embedded with this phosphor enabled real-time, persistent target detection at an unprecedented distance of 47.5 m in complete darkness, entirely without any external excitation source. This record-setting long-range performance demonstrates the material's potential as an enabling technology for passive, long-range nighttime surveillance systems. Comprehensive spectroscopic studies elucidate the underlying PersL mechanism. This work establishes a new pathway for designing ultra-long NIR PersL materials and paves the way for advanced applications in remote night-vision technologies.
研究领域:
材料科学
·
光学材料
·
光子学
·
夜视技术
·
远程传感
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REACTIVE & FUNCTIONAL POLYMERS
·
2025
·
IF 5.1
Jinhan Zhang,Caixia Yuan,Bingqian Wang,Yuan Sun,Yongsheng Xiang,Lihua Wu,Yanjun Cui,Zhenbin Chen
The recovery of valuable elements from spent copper–indium–gallium–diselenide solar cells has been a topic of considerable interest. In this study, based on the elemental ratios in the leachate of spent solar cells, a multi-template thermos-responsive imprinted polymer (GIS-TIIP) was prepared by combining thermo-responsive technology and imprinted technology. This polymer was used for the simultaneous and proportional selective separation and purification of gallium, indium, and selenium from the leachate. The structure and performance of GIS-TIIP were systematically characterized through Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy-Energy Dispersive Spectrometry, Transmission Electron Microscopy, Brunauer-Emmett-Teller surface area and pore size analysis, Thermogravimetric Analysis, X-ray Photoelectron Spectroscopy, and Inductively Coupled Plasma-Atomic Emission Spectroscopy. The structure of GIS-TIIP responded to temperature changes. At 35 °C, maximum adsorption capacities were 0.0162 mmol/g for Ga 3+ , 0.0671 mmol/g for In 3+ , and 0.1001 mmol/g for SeO 3 2− . At 25 °C, maximum desorption ratios were 72.65 % for Ga 3+ , 75.33 % for In 3+ , and 69.34 % for SeO 3 2− . The ratio of maximum adsorption capacities for the three target ions (1: 4.142: 6.179) was close to the ratio of the molar amounts of template substances added during the synthesis (1:4:8). The adsorption process of GIS-TIIP fitted better with the pseudo-first-order kinetic model and the Langmuir model. When GIS-TIIP was applied to the diluted leaching solution, the purity of the target elements increased from 55.99 % to 80.98 % after a single adsorption/desorption cycle. The ratio of gallium, indium, and selenium was found to be 1: 4.263: 5.509, indicating the potential for alloy recovery and recycling. After 10 cycles of repeated use, GIS-TIIP still retained 75.71 % of its original adsorption capacity.
研究领域:
材料科学
·
环境工程
·
化学工程
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