I want to do calculation use gaussview for zinc porphyrins dye in the excited state ,but i can't decided the best solvent for it.
So can anyone help me to find the answer for my question please .
It is recommended to use non-polar solvent that have a low dielectric value such as DMSO & DMF etc..
A 2013 paper by the Lee group uses THF when optimizing the geometries of their Zinc Porphyrin based dyes using DFT calculations. I'd say this is a pretty good solvent choice because it is aprotic and the material is probably pretty soluble in THF. I attached the paper below.
In my opinion, the main thing you will want to consider when selecting the solvent for the calculation is that the porphyrin does not undergo aggregation-caused quenching in the selected solvent.
It well known that solar cell efficiencies are affected by the molecular spacer connecting the dye(ZnP) to the semiconductor surface, the sensitization conditions (solvent and time), and the nature of the terminal group of the ZnP.Alcohol/water may be efficient solvent for ZnP.
http://pubs.acs.org/doi/abs/10.1021/ic400774p
It is recommended to use non-polar solvent that have a low dielectric value such as DMSO & DMF etc..
Depends whether you want to look at five- or four-coordinate zinc(II) complexes. Polar donor solvents such as ethers, alcohols, amines will axially coordinate to the zinc center (giving you a pentacoordinated zinc) while nonpolar ones will not (so you have a four-coordinate zinc).
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