Tetraferrocenylporphyrins as active components of self-assembled monolayers on gold surface.

نویسندگان

  • Andrea Vecchi
  • Emanuela Gatto
  • Barbara Floris
  • Valeria Conte
  • Mariano Venanzi
  • Victor N Nemykin
  • Pierluca Galloni
چکیده

Novel tetraferrocenylporphyrins-containing self-assembled monolayers were prepared employing two different approaches. Self-assembled monolayers were characterized using UV-Vis spectroscopy and cyclic voltammetry (CV) whereas their photoelectrochemical properties were investigated by photocurrent generation (PG) experiments.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Surface Enhanced Raman Scattering of Crystal Violet with Low Concentrations Using Self-Assembled Silver and Gold-Silver Core-Shell Nanoparticles

The active substrates in surface enhanced Raman scattering (SERS) spectroscopy were prepared through self-assembly of nanoparticles on functionalized glasses. Colloidal silver nanoparticles (Ag NPs) were prepared chemically in two different sizes by reduction of AgNO3 using trisodium citrate and sodium borohydride. Gold–silver core–shell nanoparticles were also prepared to compare between the o...

متن کامل

Self-assembled monolayers of dendritic polyglycerol derivatives on gold that resist the adsorption of proteins.

Highly protein-resistant, self-assembled monolayers (SAMs) of dendritic polyglycerols (PGs) on gold can easily be obtained by simple chemical modification of these readily available polymers with a surface-active disulfide linker group. Several disulfide-functionalized PGs were synthesized by N,N'-dicyclohexylcarbodiimide-mediated ester coupling of thioctic acid. Monolayers of the disulfide-fun...

متن کامل

Self-Assembled Monolayers of Symmetrical and Mixed Alkyl Fluoroalkyl Disulfides on Gold. 1. Synthesis of Disulfides and Investigation of Monolayer Properties

The synthesis of a variety of symmetrical bis(alkyl) and bis(fluoroalkyl) disulfides as well asmixed alkyl fluoroalkyl disulfides containing ester or amide groups is described. Self-assembled monolayers of these compounds on gold formed by spontaneous adsorption from solution are studied by contact angle measurementsandpolarizedgrazing incidenceFourier transforminfraredspectroscopy (FTIR). The ...

متن کامل

A method to study the phase transition and desorption of self-assembled monolayers on planar gold surfaces.

In-plane resistance of thin gold films (thickness approximately 1,000 A) after the formation of self-assembled monolayers has been measured as a function of temperature. We attribute the observed increase in the slope of the resistance vs temperature plot in the case of octadecanethiol and octanethiol monolayers at characteristic temperatures to phase transitions. The structural transition of 1...

متن کامل

Adsorption Kinetics of Glutathione Monolayers on Platinum and Gold Surfaces used for Ca2+ Sensor Development

This work investigates the electrochemical study of glutathione self-assembled monolayers (SAMs) prepared from aqueous solution on gold and platinum surfaces. The deposit SAMs monolayers were characterized by cyclic voltammetry and electrochemical impedance spectroscopy methods. In addition, the interpretation of electrochemical impedance spectroscopy results was based on the charge-transfer re...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Chemical communications

دوره 48 42  شماره 

صفحات  -

تاریخ انتشار 2012