Science China Materials
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A breakthrough in direct conversion of methane to oxygenates under mild conditions
Science China Materials - Tập 61 - Trang 1012-1014 - 2018
Solvent-salt synergy offers a safe pathway towards next generation high voltage Li-ion batteries
Science China Materials - Tập 61 - Trang 1360-1362 - 2018
Fabricating ultralow-power-excitable lanthanide-doped inorganic nanoparticles with anomalous thermo-enhanced photoluminescence behavior
Science China Materials - - 2022
Tuning optical properties of MOF-based thin films by changing the ligands of MOFs
Science China Materials - - 2017
The preparation and development of novel optical thin films are of great importance to functional optical and opto-electric components requiring a low refractive index. In this study, a typical metal-organic framework (MOF), MIL-101(Cr), is selected as the research model. The corresponding MOF nanoparticles are prepared by a hydrothermal method and the optical thin films are successfully prepared ...... hiện toàn bộ
Fluorinated poly(fluorenyl ether)s with linear multi-cationic side chains for vanadium redox flow batteries
Science China Materials - Tập 64 - Trang 349-361 - 2020
The cationic group distribution along the polymeric backbones of anion exchange membranes (AEMs) has significant influence on their microscopic morphology and anion conductivity. To develop high-performance AEMs for vanadium redox flow batteries (VRFBs), a series of poly (fluorenyl ether) samples bearing di- and tri-quaternary ammonium side chains with similar ion exchange capacities (IECs) were s...... hiện toàn bộ
MXene (Ti2NTx): Synthesis, characteristics and application as a thermo-optical switcher for all-optical wavelength tuning laser
Science China Materials - Tập 64 - Trang 259-265 - 2020
具有良好单色性的可调谐光纤激光器是密集波分复用传输 系统中的关键组件. 传统的调制方法难与全光通信网络兼容. 本文 中, 我们利用MXene (Ti2NTx)的强光热效应, 对基于迈克尔逊干涉 仪的全光波长调谐光纤激光器进行了研究. 对于全光调制器来说, 信号光的相移, 随控制光功率具有0.03π mW−1的线性关系. 获得25 dB的调制深度, 有利于提高调制器的灵敏度以实现快速的波长扫描. 另外, 实现的全光波长调谐激光器具有大边模抑制比, 宽波长调谐范围和窄3-dB光谱宽度. 这种新颖的基于Ti2NTx的全光波长调谐器不仅扩展了全光调制器的应用领域, 而且也为基于Ti2NTx的异质结构提供了可扩展的可用性, 以构建高性能的全光纤激光器.
Cobalt sandwich complex-based covalent organic frameworks for chemical fixation of CO2
Science China Materials - Tập 65 - Trang 1377-1382 - 2021
Carbon dioxide as a notorious greenhouse gas triggers severe global warming which is threatening the balance of ecosystem. In this respect, effectively capturing and transforming CO2 into value-added chemicals are essential but still challenging tasks. As a kind of emerging crystalline porous material, covalent organic frameworks (COFs) have been demonstrated to be able to adsorb gases and functio...... hiện toàn bộ
Indolo[3,2,1-jk]carbazole-derived planar electron transport materials realizing high efficiency in green phosphorescent organic light-emitting diodes
Science China Materials - Tập 66 - Trang 4437-4444 - 2023
Two novel electron transporting materials (ETMs), 2-(4,6-diphenyl-1,3,5-triazin-2-yl)indolo[3,2,1-jk]-carbazole (DPTrz-ICz) and 5,11-bis(4,6-diphenyl-1,3,5-tria-zin-2-yl)-2-phenylindolo[3,2,1-jk]carbazole (2DPTrz-ICz), were developed based on the indolo[3,2,1-jk]carbazole (ICz) core, combined with 2,4-diphenyl-1,3,5-triazine (DPTrz). The introduced ICz core in ETM exhibited enhanced intermolecular...... hiện toàn bộ
Hybrid high-performance aqueous batteries with potassium-based cathode||zinc metal anode
Science China Materials - Tập 66 - Trang 923-931 - 2022
Aqueous potassium-based batteries (APBs) have been widely studied for their high safety and environmentally friendly properties. However, given the limitation of the electrode material and working mechanism, the APBs need further improvement in terms of the rate performance and energy density to meet the development requirements. To address the above issues, we successfully designed and assembled ...... hiện toàn bộ
Pt embedded Ni3Se2@NiOOH core-shell dendrite-like nanoarrays on nickel as bifunctional electrocatalysts for overall water splitting
Science China Materials - Tập 62 - Trang 1096-1104 - 2019
Developing high-performance bifunctional catalysts toward hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is essential to enhance water splitting efficiency for large-scale hydrogen production. Neither noble metal Pt nor transition metal compounds show satisfactory performances for both HER and OER simultaneously. Here, we prepared a three-dimensional Pt-Ni3Se2@NiOOH/NF (PNOF...... hiện toàn bộ
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