纳米反应器
电化学发光
介孔材料
纳米技术
电化学
材料科学
大规模运输
介孔二氧化硅
纳米颗粒
化学
电极
催化作用
生化工程
生物化学
工程类
物理化学
作者
Xin Huang,Binxiao Li,Yanwei Lu,Yixin Liu,Shurong Wang,Nešo Šojić,Dechen Jiang,Baohong Liu
标识
DOI:10.1002/anie.202215078
摘要
Nanoconfinement in mesoporous nanoarchitectures could dramatically change molecular transport and reaction kinetics during electrochemical process. A molecular-level understanding of nanoconfinement and mass transport is critical for the applications, but a proper route to study it is lacking. Herein, we develop a single nanoreactor electrochemiluminescence (SNECL) microscopy based on Ru(bpy)32+ -loaded mesoporous silica nanoparticle to directly visualize in situ nanoconfinement-enhanced electrochemical reactions at the single molecule level. Meanwhile, mass transport capability of single nanoreactor, reflected as long decay time and recovery ability, is monitored and simulated with a high spatial resolution. The nanoconfinement effects in our system also enable imaging single proteins on cellular membrane. Our SNECL approach may pave the way to decipher the nanoconfinement effects during electrochemical process, and build bridges between mesoporous nanoarchitectures and potential electrochemical applications.
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