Synthesis and self-assembly of thiol-modified tellurophenes

Abstract

An asymmetric thiol-modified tellurophene was designed and synthesized, and the ability of the compound to form a monolayer on a gold electrode was confirmed. The surface-active tellurophene was synthesized using Cadiot–Chodkiewicz coupling followed by ring closing and thiol modification. The tellurophene compound forms a monolayer on gold surfaces from a concentrated solution within 24 h. The ability of the compound to conjugate to gold is confirmed by X-ray photoelectron spectroscopy (XPS). A surface blocking experiment was used to evaluate the extent of formation of a monolayer on a gold electrode.

Precisely Tuning Photothermal and Photodynamic Effects of Polymeric Nanoparticles by Controlled Copolymerization

“…To verify the existence of unoxidized Te inside of NPs, the NPs surface was etched for 20 nm depth for XPS . Figure E showed that two peaks at 573.2 and 583.6 eV were observed, which were assigned to unoxidized Te, suggesting that tellurophene exists in the NPs . Moreover, the other two weak peaks at 576.2 and 586.7 eV indicated the oxidation of tellurophene was inevitable.…”

Precisely Tuning Photothermal and Photodynamic Effects of Polymeric Nanoparticles by Controlled Copolymerization

“…To verify the existence of unoxidized Te inside of NPs, the NPs surface was etched for 20 nm depth for XPS . Figure E showed that two peaks at 573.2 and 583.6 eV were observed, which were assigned to unoxidized Te, suggesting that tellurophene exists in the NPs . Moreover, the other two weak peaks at 576.2 and 586.7 eV indicated the oxidation of tellurophene was inevitable.…”