申请人:The United States of America as represented by the Secretary of the Navy
公开号:US09082983B1
公开(公告)日:2015-07-14
A thin film transistor having a solution-processed n-type copolymer semiconductor material. A thin-film transistor (TFT) device including, an organic TFT device having at least one substrate, at least one gate electrode, at least one electrically-insulating dielectric material, at least one drain electrode, at least one source electrode, and at least one n-type solution-processable semiconductor material.
Amphiprotism-Coupled Near-Infrared Emission in Extended Pyrazinacenes Containing Seven Linearly Fused Pyrazine Units
作者:Gary J. Richards、Aël Cador、Shinji Yamada、Anna Middleton、Whitney A. Webre、Jan Labuta、Paul A. Karr、Katsuhiko Ariga、Francis D’Souza、Samia Kahlal、Jean-François Halet、Jonathan P. Hill
DOI:10.1021/jacs.9b10952
日期:2019.12.18
Peripherally substituted tetradecaazaheptacene (N(14)Hp) compounds, exhibiting amphiprotism-coupled emission, have been synthesized. X-ray crystallography reveals a planar acene-like chromophore, and electronic absorption and emission occur in the near-infrared biological transparency window (650-900 nm). The compounds exhibit long-wavelength emission with photoluminescence quantum yields Phi(PL) up to similar to 0.61 at 686 nm, with the monodeprotonated state Phi(PL) approximate to 0.58 at 712 nm. This unprecedented highly nitrogenous chromophore illustrates the stability and utility of the pyrazinacenes for different applications based on their photophysical properties and chemical structures.