作者: Branka Kovač , Igor Novak
DOI: 10.1016/S1386-1425(01)00598-4
关键词:
摘要: The electronic structure of coumarin derivatives has been investigated by a combination UV photoelectron spectra (UPS), semi-empirical MO calculations and comparison with the related coumarins. influence substituents on S0 S1 states energies is discussed.