TY - JOUR
T1 - Complexes of the phosphorescent porphyrin dyes with hydrophilic carriers
T2 - Optical properties and sensing applications
AU - Papkovsky, Dmitri B.
AU - Ovchinnikov, Alexandr N.
AU - Ponomarev, Gelii V.
AU - Korpela, Timo
PY - 1997
Y1 - 1997
N2 - Interaction of the water-soluble platinum and palladium coproporphyrins with cationic carriers, DEAE-dextran and CTAB, was investigated in aqueous solution by optical spectroscopy including pH-dependences of the absorption and emission spectra. In addition, solid-state coatings of the complexes were prepared on solid supports and their phosphorescent properties were studied. Contrary to the pure dyes, in the dry and solid state, the complexes strongly phosphoresce in air, are weakly quenchable by air oxygen, but are sensitive to the water content in their environment. Their applicability to quenched-phosphorescence sensing was discussed and compared to that of the phosphorescent polymer film compositions and Langmuir-Blodgett coatings.
AB - Interaction of the water-soluble platinum and palladium coproporphyrins with cationic carriers, DEAE-dextran and CTAB, was investigated in aqueous solution by optical spectroscopy including pH-dependences of the absorption and emission spectra. In addition, solid-state coatings of the complexes were prepared on solid supports and their phosphorescent properties were studied. Contrary to the pure dyes, in the dry and solid state, the complexes strongly phosphoresce in air, are weakly quenchable by air oxygen, but are sensitive to the water content in their environment. Their applicability to quenched-phosphorescence sensing was discussed and compared to that of the phosphorescent polymer film compositions and Langmuir-Blodgett coatings.
KW - Phosphorescence
KW - Porphyrins
KW - Sensors
KW - Solid-state Coatings
UR - https://www.scopus.com/pages/publications/0030832824
U2 - 10.1080/00032719708006419
DO - 10.1080/00032719708006419
M3 - Article
AN - SCOPUS:0030832824
SN - 0003-2719
VL - 30
SP - 699
EP - 716
JO - Analytical Letters
JF - Analytical Letters
IS - 4
ER -