Activity analysis of the carbodiimide-mediated amine coupling reaction on self-assembled monolayers by cyclic voltammetry

2013 ◽  
Vol 89 ◽  
pp. 616-622 ◽  
Author(s):  
Lin Liu ◽  
Dehua Deng ◽  
Yun Xing ◽  
Sujuan Li ◽  
Baiqing Yuan ◽  
...  
Keyword(s):  
Cyclic Voltammetry ◽  
Coupling Reaction ◽  
Activity Analysis ◽  
Self Assembled Monolayers ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Amine Coupling

Photochromic dithienylethenes characterized by in situ irradiation NMR-spectroscopy and electrochemically induced responsiveness on gold substrates

2019 ◽  
Vol 7 (45) ◽  
pp. 14088-14097
Author(s):  
Jonas von Irmer ◽  
Florian Frieß ◽  
Dominik Herold ◽  
Jonas Kind ◽  
Christina M. Thiele ◽  
...  
Keyword(s):  
Cyclic Voltammetry ◽  
Nmr Spectroscopy ◽  
Self Assembled Monolayers ◽  
Gold Surfaces ◽  
Gold Substrates ◽  
Assembled Monolayers ◽  
Self Assembled

The photochromic and electrochemical switching capabilities of two dithienylethenes with different substitutions and their self-assembled monolayers on gold surfaces are characterized by in situ NMR-spectroscopy and cyclic voltammetry.

scholarly journals Kinetic Isotope Effect on Electron Transfer Rates Across Self-Assembled Monolayers: A Case for Quantum Effects

2019 ◽  
Author(s):  
Samir Chattopadhyay ◽  
Sabyasanchi Bandyopadhyay ◽  
Abhishek Dey
Keyword(s):  
Cyclic Voltammetry ◽  
Kinetic Isotope Effect ◽  
Substantial Contribution ◽  
Self Assembled Monolayers ◽  
Transfer Rates ◽  
Medium Chain Length ◽  
Kinetic Isotope ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Long Chain

Long range ET across several self-assembled mon-olayer (SAM) covered Au electrodes is investigated using protonated and deuterated thiols (RSH/RSD). The rate of tunneling is measured using both chronoamperometry and cyclic voltammetry and it shows a prominent KIE. The KIE is ~2 (normal) for medium chain length thiols where the Tafel plot indicate substantial through space tunneling and is ~0.25 (inverse) for long chain thiols where the Tafel plot indicate mostly through bond tunneling. These results imply substantial contribution from the classical modes at the Au-(H)SR interface, which shift substantially on deuteration of the thiols, to the ET process.<br>

scholarly journals Kinetic Isotope Effect on Electron Transfer Rates Across Self-Assembled Monolayers: A Case for Quantum Effects

2019 ◽  
Author(s):  
Samir Chattopadhyay ◽  
Sabyasanchi Bandyopadhyay ◽  
Abhishek Dey
Keyword(s):  
Cyclic Voltammetry ◽  
Kinetic Isotope Effect ◽  
Substantial Contribution ◽  
Self Assembled Monolayers ◽  
Transfer Rates ◽  
Medium Chain Length ◽  
Kinetic Isotope ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Long Chain

Long range ET across several self-assembled mon-olayer (SAM) covered Au electrodes is investigated using protonated and deuterated thiols (RSH/RSD). The rate of tunneling is measured using both chronoamperometry and cyclic voltammetry and it shows a prominent KIE. The KIE is ~2 (normal) for medium chain length thiols where the Tafel plot indicate substantial through space tunneling and is ~0.25 (inverse) for long chain thiols where the Tafel plot indicate mostly through bond tunneling. These results imply substantial contribution from the classical modes at the Au-(H)SR interface, which shift substantially on deuteration of the thiols, to the ET process.<br>

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