Imaging the chemical activity of single nanoparticles with optical microscopy

W Wang - Chemical Society Reviews, 2018 - pubs.rsc.org
Nanomaterials exhibit structural and functional heterogeneity among individual
nanoparticles, thus requiring a capability to study single nanoparticles. While electron …

Mechanistic insights gained by high spatial resolution reactivity map** of homogeneous and heterogeneous (Electro) catalysts

S Dery, B Friedman, H Shema, E Gross - Chemical Reviews, 2023 - ACS Publications
The recent development of high spatial resolution microscopy and spectroscopy tools
enabled reactivity analysis of homogeneous and heterogeneous (electro) catalysts at …

Combined experimental and theoretical study on the reductive cleavage of inert C–O bonds with silanes: ruling out a classical Ni (0)/Ni (II) catalytic couple and …

J Cornella, E Gómez-Bengoa… - Journal of the American …, 2013 - ACS Publications
A mechanistic and computational study on the reductive cleavage of C–OMe bonds
catalyzed by Ni (COD) 2/PCy3 with silanes as reducing agents is reported herein …

Optical super-resolution imaging of surface reactions

T Chen, B Dong, K Chen, F Zhao, X Cheng… - Chemical …, 2017 - ACS Publications
Optical super-resolution imaging has gained momentum in investigations of heterogeneous
and homogeneous chemical reactions at the single-molecule level. Thanks to its exceptional …

Opportunities and challenges in single-molecule and single-particle fluorescence microscopy for mechanistic studies of chemical reactions

T Cordes, SA Blum - Nature chemistry, 2013 - nature.com
In recent years, single-molecule and single-particle fluorescence microscopy has emerged
as a tool to investigate chemical systems. After an initial lag of over a decade with respect to …

Copper nanoparticle heterogeneous catalytic 'click'cycloaddition confirmed by single-molecule spectroscopy

MR Decan, S Impellizzeri, ML Marin… - Nature …, 2014 - nature.com
Colloidal or heterogeneous nanocatalysts can improve the range and diversity of Cu (I)-
catalysed click reactions and facilitate catalyst separation and reuse. Catalysis by metal …

Role of LiCl in generating soluble organozinc reagents

C Feng, DW Cunningham, QT Easter… - Journal of the American …, 2016 - ACS Publications
The sensitivity provided by fluorescence microscopy enabled the observation of surface
intermediates in the synthesis of soluble organozinc reagents by direct insertion of alkyl …

Real-time fluorescence imaging of a heterogeneously catalysed Suzuki–Miyaura reaction

P Costa, D Sandrin, JC Scaiano - Nature Catalysis, 2020 - nature.com
Abstract The palladium-catalysed Suzuki–Miyaura reaction is one of the most important
methods for C–C cross-coupling, yet the heterogeneous version of this reaction remains …

Single-molecule investigation of initiation dynamics of an organometallic catalyst

JD Ng, SP Upadhyay, AN Marquard… - Journal of the …, 2016 - ACS Publications
The action of molecular catalysts comprises multiple microscopic kinetic steps whose nature
is of central importance in determining catalyst activity and selectivity. Single-molecule …

Sailing into uncharted waters: recent advances in the in situ monitoring of catalytic processes in aqueous environments

H Shi, JA Lercher, XY Yu - Catalysis Science & Technology, 2015 - pubs.rsc.org
Catalysis in aqueous environments attracts enormous interest. Many characterization
methods are well established at gas–solid interfaces, yet the majority of surface science …