Orientation of Oligopeptides in Self-Assembled Monolayers Inferred from Infrared Reflection–Absorption Spectroscopy

2019 ◽  
Vol 123 (4) ◽  
pp. 860-868 ◽  
Author(s):  
Reinhard Schweitzer-Stenner ◽  
Israel Pecht ◽  
Cunlan Guo
Keyword(s):  
Absorption Spectroscopy ◽  
Self Assembled Monolayers ◽  
Infrared Reflection Absorption Spectroscopy ◽  
Infrared Reflection ◽  
Assembled Monolayers ◽  
Self Assembled

Self-Assembled Monolayers Derived from Bidentate Organosulfur Adsorbates

1999 ◽  
Vol 576 ◽  
Author(s):  
Young-Seok Shon ◽  
Nupur Garg ◽  
Ramon Colorado ◽  
Ramon J. Villazana ◽  
T. Randall Lee
Keyword(s):  
Contact Angle ◽  
Chain Length ◽  
Absorption Spectroscopy ◽  
Self Assembled Monolayers ◽  
Polarization Modulation ◽  
Infrared Reflection Absorption Spectroscopy ◽  
Infrared Reflection ◽  
Assembled Monolayers ◽  
Optical Ellipsometry ◽  
Self Assembled

ABSTRACTThe adsorption of a series of 1,2-bis(mercaptomethyl)-4,5-dialkylbenzenes (1), spiroalkanedithiols (2), and aliphatic dithiocarboxylic acids (3) on gold yielded new types of self-assembled monolayers (SAMs). The new SAMs were characterized by optical ellipsometry, contact angle goniometry, and polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS). These results were compared to those obtained from SAMs derived from normal alkanethiols (4) of analogous chain length. Comparisons of ellipsometric thickness and contact angle wettability showed that the new SAMs were well packed and highly oriented. Comparisons of the PM-IRRAS data showed that the SAMs generated from 1 and 2 exhibited slightly less crystallinity than their alkanethiolate-based analogs, while the SAMs generated from 3 exhibited comparable crystallinity to their alkanethiolate-based analogs. Moreover, the SAMs derived from 1 and 2 showed no “odd-even” wettability or PM-IRRAS effects, while those derived from 3 showed remarkably large “odd-even” effects compared to those derived from normal alkanethiols.

scholarly journals Sulfamide chemistry applied to the functionalization of self-assembled monolayers on gold surfaces

2017 ◽  
Vol 13 ◽  
pp. 648-658 ◽  
Author(s):  
Loïc Pantaine ◽  
Vincent Humblot ◽  
Vincent Coeffard ◽  
Anne Vallée
Keyword(s):  
Photoelectron Spectroscopy ◽  
Self Assembled Monolayers ◽  
Gold Surfaces ◽  
Water Contact ◽  
X Ray ◽  
Infrared Reflection Absorption Spectroscopy ◽  
Infrared Reflection ◽  
End Groups ◽  
Assembled Monolayers ◽  
Self Assembled

Aniline-terminated self-assembled monolayers (SAMs) on gold surfaces have successfully reacted with ArSO2NHOSO2Ar (Ar = 4-MeC6H4 or 4-FC6H4) resulting in monolayers with sulfamide moieties and different end groups. Moreover, the sulfamide groups on the SAMs can be hydrolyzed showing the partial regeneration of the aniline surface. SAMs were characterized by water contact angle (WCA) measurements, Fourier-transform infrared reflection absorption spectroscopy (IRRAS) and X-ray photoelectron spectroscopy (XPS).

Ferrocene-terminated alkanethiol self-assembled monolayers: An electrochemical and in situ surface-enhanced infra-red absorption spectroscopy study

2013 ◽  
Vol 107 ◽  
pp. 33-44 ◽  
Author(s):  
Alexander V. Rudnev ◽  
Ulmas Zhumaev ◽  
Toru Utsunomiya ◽  
Chunjie Fan ◽  
Yasuyuki Yokota ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Self Assembled Monolayers ◽  
Spectroscopy Study ◽  
Surface Enhanced ◽  
Infra Red ◽  
Assembled Monolayers ◽  
Self Assembled
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