Self assembled monolayer of ethanthiol on gold surfaces by Quartz Crystal Microbalance

2009 ◽  
Author(s):  
Gh.V. Cimpoca ◽  
I.V. Popescu ◽  
I.D. Dulama ◽  
C. Radulescu ◽  
I. Bancuta ◽  
...  
Keyword(s):  
Quartz Crystal Microbalance ◽  
Quartz Crystal ◽  
Gold Surfaces ◽  
Self Assembled Monolayer ◽  
Self Assembled

Charge Transfer Property of Self-Assembled Viologen Derivative by Electrochemical Quartz Crystal Microbalance Response

2006 ◽  
Vol 6 (11) ◽  
pp. 3657-3660 ◽  
Author(s):  
Dong-Yun Lee ◽  
A. K. M. Kafi ◽  
Sang-Hyun Park ◽  
Young-Soo Kwon
Keyword(s):  
Charge Transfer ◽  
Quartz Crystal Microbalance ◽  
Quartz Crystal ◽  
Modified Electrodes ◽  
Electrochemical Quartz Crystal Microbalance ◽  
Frequency Change ◽  
Self Assembled Monolayer ◽  
Transfer Property ◽  
Redox Peak ◽  
Self Assembled

Viologen modified electrodes have been extensively investigated with quartz crystal microbalance (QCM), which has been known as a nano-gram order mass detector, because of their highly reversible electrochemical properties, especially the first reduction-oxidation cycle of V2+ ↔ V•+. The purpose of this work was to study the charge transfer characteristics of self-assembled monolayer (SAM) by changing electrolyte solutions where the cations and anions are different. The redox peak currents were nearly equal charges during redox processes and showed an excellent linear interrelation between the scan rates and second redox peak currents. The charge transfer of self-assembled viologen monolayer was determined by the mass change during the cyclic voltammetry (CV). The total frequency change was about 17.8 Hz, 19.6 Hz, 9.5 Hz, and 8.4 Hz. From this data, we could know the transferred mass was about 19.0 ng, 20.9 ng, 10.2 ng, and 9.0 ng. Finally, the electrochemical quartz crystal microbalance (EQCM) has been employed to monitor the electrochemically induced adsorption of self-assembled monolayer.

scholarly journals Immobilization of DNA on Quartz Crystal Microbalance Sensor Modified with Self-Assembled Monolayer of Thiol Derivative

2020 ◽  
Vol 69 (3) ◽  
pp. 271-276 ◽  
Author(s):  
Hirobumi Shibata ◽  
Junpei Nemoto ◽  
Shota Shiba ◽  
Yusuke Yamane ◽  
Gota Kawai ◽  
...  
Keyword(s):  
Quartz Crystal Microbalance ◽  
Quartz Crystal ◽  
Self Assembled Monolayer ◽  
Quartz Crystal Microbalance Sensor ◽  
Self Assembled
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