TY - JOUR
T1 - Nanostructured multiporphyrin dendrimers
T2 - Synthesis, characterization and their spectroscopic properties
AU - Pedro-Hernández, Luis D.
AU - Cortez-Maya, Sandra
AU - Calderón-Pardo, José
AU - Hernández-Ortega, Simón
AU - Martínez-García, Marcos
N1 - Publisher Copyright:
© 2018 Bentham Science Publishers.
PY - 2018
Y1 - 2018
N2 - A series of resorcinarene-PAMAM-porphyrin dendrimers was synthesized. The nanostructures were characterized by IR,1H and13C NMR, UV-vis absorption, electros-pray ionization and MALDI-TOF mass spectrometry. The morphological properties were characterized by High-Resolution Transmission Electron Microscopy (HRTEM). The distance between the resorcinarene group and the porphyrin group was variable: two different lengths of the dendritic branches were synthesized, which were found to play an important role in influencing the fluorescence properties. It was also possible to observe by HRTEM microscopy that the dendrimers were nearly monodisperse, retained their size and their shape was roughly spherical. Experimental data confirmed that the PAMAM groups favored the intense emission and red shift of the maximum wavelength. It is possible that the fluorescence centers were perturbed by the inner influence between the PAMAM groups. These nanostructures could be used for the conversion of photoenergy.
AB - A series of resorcinarene-PAMAM-porphyrin dendrimers was synthesized. The nanostructures were characterized by IR,1H and13C NMR, UV-vis absorption, electros-pray ionization and MALDI-TOF mass spectrometry. The morphological properties were characterized by High-Resolution Transmission Electron Microscopy (HRTEM). The distance between the resorcinarene group and the porphyrin group was variable: two different lengths of the dendritic branches were synthesized, which were found to play an important role in influencing the fluorescence properties. It was also possible to observe by HRTEM microscopy that the dendrimers were nearly monodisperse, retained their size and their shape was roughly spherical. Experimental data confirmed that the PAMAM groups favored the intense emission and red shift of the maximum wavelength. It is possible that the fluorescence centers were perturbed by the inner influence between the PAMAM groups. These nanostructures could be used for the conversion of photoenergy.
KW - Dendrimers
KW - Nanostructured multiporphyrin
KW - Pamam
KW - Porphyrin
KW - Resorcinarene
KW - Spectroscopic properties
UR - http://www.scopus.com/inward/record.url?scp=85059150333&partnerID=8YFLogxK
U2 - 10.2174/1385272822666181024124335
DO - 10.2174/1385272822666181024124335
M3 - Artículo
SN - 1385-2728
VL - 22
SP - 2308
EP - 2314
JO - Current Organic Chemistry
JF - Current Organic Chemistry
IS - 23
ER -