A new approach has been established for Rh(iii)-catalyzed direct aza oxidative cyclization of non-prefunctionalized azobenzenes to provide 2-aryl-2H-benzotriazoles in good yields.
HIGHLY-FLUORESCENT AND PHOTO-STABLE CHROMOPHORES FOR ENHANCED SOLAR HARVESTING EFFICIENCY
申请人:NITTO DENKO CORPORATION
公开号:US20130074927A1
公开(公告)日:2013-03-28
The invention provides highly fluorescent materials comprising a single (n=0) or a series (n=1, 2, etc.) of benzo heterocyclic systems. The photo-stable highly luminescent chromophores are useful in various applications, including in wavelength conversion films. Wavelength conversion films have the potential to significantly enhance the solar harvesting efficiency of photovoltaic or solar cell devices.
Electroluminescent Metal Complexes With Triazoles And Benzotriazoles
申请人:Schafer Thomas
公开号:US20080015355A1
公开(公告)日:2008-01-17
This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula (I) a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.