Platinum-Catalysed Hydrofluorination of Alkynes at Room Temperature Promoted by a Fluoride Shuttle [0.03%]
室温下氟化物穿梭促进的铂催化炔烃的氢氟化反应
Ouchan He,Froze Jameel,Hannah Flammang et al.
Ouchan He et al.
Hydrofluorination of alkynes provides a synthetic route to access fluoroalkenes, a class of compounds with wide applications in chemical research. Herewith, we describe an exceptional hydrofluorination process of alkynes catalysed by Pt(II)...
Insight into how PETase Functions at the Solid-Liquid Interface and an Activity-Stability Trade-Off [0.03%]
关于PETase在固液界面功能的见解及其活性与稳定性的权衡关系
Shuang Chen,Ekram Akram,Hui Liang et al.
Shuang Chen et al.
Enzymatic degradation of poly(ethylene terephthalate) (PET) has garnered considerable interest in plastic recycling efforts. However, the underlying molecular mechanism governing PETase-catalyzed PET depolymerization at the solid-liquid int...
Hydrogen-Bonding-Assisted Assembly of Stable High-Nuclearity Copper(I)-Alkyne Nanoclusters for X-Ray Scintillation [0.03%]
氢键辅助的高核铜(i)炔纳米团簇的组装及其x射线闪烁性能
Bao-Liang Han,Fahri Alkan,Zhi-Rui Yuan et al.
Bao-Liang Han et al.
The construction of high-nuclearity, atomically precise copper(I)-alkyne nanoclusters remains a formidable challenge due to their high reactivity and strong aggregation tendency. Here, we report a hydrogen-bonding-assisted assembly strategy...
Atomic Metal‒Nonmetal Catalytic Pair Cooperatively Drives Efficient Enzyme-Mimetic Catalysis [0.03%]
原子金属-非金属催化对高效模拟酶催化的协同驱动作用
Zheye Zhang,Fuhua Li,Shibo Xi et al.
Zheye Zhang et al.
Single-atom catalysts with maximum atom utilization and well-defined coordination environments are promising alternatives to natural enzymes. However, their catalytic performance in enzymatic reactions is intrinsically restricted by the sca...
Constructing Water-Stable Porous Organic Salts via Suppressed Proton Integration Using Fluorinated Tetrazole Tectons [0.03%]
通过抑制氟代四氮唑砌块中的质子整合构建耐水的多孔有机盐
Errui Li,Xian Suo,Yujing Tong et al.
Errui Li et al.
Porous organic salts (POSs) are an emerging class of materials with ordered ionic architectures, offering excellent proton transfer and water uptake properties. However, conventional POS synthesis via strong acid-base neutralization (e.g., ...
Alkali Metal Cations Impact the Selectivity of Radical-Mediated Electrochemical C─H Chlorination [0.03%]
碱金属阳离子影响自由基介导的电化学C-H氯化的选择性
Bo Wu,Ruihu Lu,Tenghui Yuan et al.
Bo Wu et al.
Electrochemistry offers a promising route toward facilitating organic transformation reactions in a sustainable manner. However, there are often a multitude of factors at play; hence, it can be unclear how operating conditions can be ration...
Mechanistic Insights into the Dissolution Relay for Deep Progression of Active Sites Toward Efficient and Ultralong-Life Energy Storage [0.03%]
高效长寿命储能反应中活性位点深层演化机理研究
Mingming Sun,Wei Guo,Jinxin Wang et al.
Mingming Sun et al.
Transition metal (oxy)hydroxides serve as efficient aqueous cathode materials but suffer from the challenge of structure degradation during long-term cycling applications. Achieving an ultralong service life, e.g., beyond 100 000 cycles, is...
Plasma-Engineered Sub-10 nm Surface Fluorination Enables Ultraselective Hollow Fiber Membranes [0.03%]
亚10纳米等离子体表氟化制备超选择性中空纤维膜
Can Wang,Xiaobo Chen,Xing Liu et al.
Can Wang et al.
While polymeric hollow fiber membranes (HFMs) offer scalable solutions for gas separations, their performance is fundamentally limited by the permeance-selectivity tradeoff and imprecise microporosity regulation. Herein, we propose a surfac...
Cation Exchange-Driven Grain Boundary-Rich Nanorings as Efficient CO2 Reduction Electrocatalysts [0.03%]
阳离子交换驱动形成的富晶界纳米环用作高效的二氧化碳还原电催化剂
Tianyi Gao,Honghao Huang,Fei Zhang et al.
Tianyi Gao et al.
Electrochemical CO2 reduction reaction (CO2RR) to formate offers a sustainable pathway for carbon-neutral fuel production, yet achieving high selectivity and activity remains challenging due to competing hydrogen evolution. While grain boun...
Asymmetric Coordinated Single-Atom Catalysts Offering Zero-Order Sulfur Redox Kinetics for High Performance Li-S Batteries [0.03%]
用于高性能锂硫电池的非对称协同单原子催化剂可提供零阶硫氧化还原动力学
Xianghua Kong,Yifan Li,Guolei Cai et al.
Xianghua Kong et al.
Accelerating the sluggish sulfur redox kinetics through electrocatalysis has been regarded as one of the key factors to achieve Li-S batteries of cell-level energy densities exceeding 600 Wh kg-1. Though single-atom catalysts (SACs), typica...