Basheer, M C; Alex, S; George Thomas, K; Suresh, C H; Suresh Das
(Elsevier, 2006)
A novel unsymmetrical cationic squaraine dye (USqH(+)), absorbing in the near-infrared region (600-850 nm), was synthesized by reacting a semi-squaric acid derivative 3-[4-(NN-dioctylamino)phenyl]-4-hydroxycyclobutene-1,2-dione ...