Substituent effects on the photophysical properties of tris(salicylideneanilines),Physical Chemistry Chemical Physics

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Substituent effects on the photophysical properties of tris(salicylideneanilines)
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2020-12-9 , DOI: 10.1039/d0cp04385k
Cristina A. Barboza _{1,

2,

3,

4} , Pawel Gawrys _{1,

2,

3,

4} , Marzena Banasiewicz _{1,

2,

3,

4} , Bolesław Kozankiewicz _{1,

2,

3,

4} , Andrzej L. Sobolewski _{1,

2,

3,

4}

Affiliation

The role of electron acceptor/donor group substitution on the photophysical properties of tris(salicylideneanilines) (TSANs) was investigated. These compounds were synthesised and characterised through spectroscopic techniques including steady state absorption and emission spectroscopies. Their photochemical reaction mechanisms and properties were explored with the aid of ab initio methods of quantum chemistry. The obtained results allow us to verify the dependence of multiple emission bands on the substitution of electron donating and accepting groups to the tris(salicylideneaniline) core. The results also stress the differences in phosphorescence behaviour of TSANs for which this type of emission has not been reported so far.

中文翻译：

取代基对三水杨基苯胺的光物理性质的影响

研究了电子受体/供体基团的取代对三（水杨基苯胺）（TSANs）光物理性质的影响。这些化合物是通过包括稳态吸收和发射光谱学在内的光谱技术合成和表征的。借助量子化学的从头算方法探索了它们的光化学反应机理和性质。获得的结果使我们能够验证多个发射带对三（水杨基苯胺）的电子给体和接受基团取代的依赖性。结果还强调了迄今为止尚未报道过这种类型发射的TSAN磷光行为的差异。

更新日期：2020-12-22

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