Triangular Boron Carbon Nitrides: An Unexplored Family of Chromophores with Unique Properties for Photocatalysis and Optoelectronics

02 April 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


In this work, we employed high-level ab initio electronic structure theory to devise and characterize a large family of novel heteroaromatic chromophores, the triangular boron carbon nitrides. These novel heterocycles inherit essential spectroscopic features from heptazine, in particular the inverted singlet-triplet gap, while their absorption and luminescence spectra and transition dipole moments are widely tuneable. For applications in photocatalysis, the wavelength of the absorption maximum can be tuned to improve the overlap with the solar spectrum at the surface of earth. For applications in OLEDs, the colour of emission can be adjusted and the fluorescence yield can be enhanced.


Organic Electronics Enhanced


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