Spectroscopic studies of the molecular organization of 4-([ 1,2,4 ] triazolo [ 4,3-a ] pyridin-3-yl)-6-methylbenzene-1,3-diol in selected solvents

Upper left corner -TPBD molecule - monomer; upper right corner - fluorescence emission spectrum corresponding to the monomeric forms of the compound. Lower left corner -TPBD molecules - dimers or larger N-aggregates. Lower right corner - fluorescence emission spectrum corresponding to dimeric and aggregated forms.100