João Sérgio Seixas de Melo
João Sérgio Seixas de Melo
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Comprehensive evaluation of the absorption, photophysical, energy transfer, structural, and theoretical properties of α-oligothiophenes with one to seven rings
RS Becker, J Seixas de Melo, AL Macanita, F Elisei
The Journal of Physical Chemistry 100 (48), 18683-18695, 1996
Photophysical Behavior of Coumarins as a Function of Substitution and Solvent: Experimental Evidence for the Existence of a Lowest Lying 1(n pi*) State
J Sergio Seixas de Melo, RS Becker, AL Macanita
Journal of Physical Chemistry 98 (24), 6054-6058, 1994
Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins
EG Azenha, AC Serra, M Pineiro, MM Pereira, JS De Melo, LG Arnaut, ...
Chemical physics 280 (1-2), 177-190, 2002
Photophysical and spectroscopic studies of indigo derivatives in their keto and leuco forms
J Seixas de Melo, AP Moura, MJ Melo
The Journal of Physical Chemistry A 108 (34), 6975-6981, 2004
Comprehensive investigation of the solution photophysics and theoretical aspects of oligothiophenes of 1-7 rings
RS Becker, JS de Melo, AL Macanita, F Elisei
Pure and applied chemistry 67 (1), 9-16, 1995
Singlet and triplet energies of α-oligothiophenes: A spectroscopic, theoretical, and photoacoustic study: Extrapolation to polythiophene
JS de Melo, LM Silva, LG Arnaut, RS Becker
The Journal of chemical physics 111 (12), 5427-5433, 1999
S1∼> T1 intersystem crossing in π-conjugated organic polymers
HD Burrows, JS de Melo, C Serpa, LG Arnaut, AP Monkman, I Hamblett, ...
The Journal of Chemical Physics 115, 9601, 2001
Spectroscopy and photophysics of 4-and 7-hydroxycoumarins and their thione analogs
JS De Melo, PF Fernandes
Journal of Molecular Structure 565, 69-78, 2001
Characterization of the triplet state of tris (8-hydroxyquinoline) aluminium (III) in benzene solution
HD Burrows, M Fernandes, J Seixas de Melo, AP Monkman, ...
Journal of the American Chemical Society 125 (50), 15310-15311, 2003
Fluorescence enhancement of the water-soluble poly {1, 4-phenylene-[9, 9-bis-(4-phenoxybutylsulfonate)] fluorene-2, 7-diyl} copolymer in n-dodecylpentaoxyethylene glycol ether …
HD Burrows, VMM Lobo, J Pina, ML Ramos, J Melo, AJM Valente, ...
American Chemical Society, 2004
The use of microspectrofluorimetry for the characterization of lake pigments
A Claro, MJ Melo, S Schäfer, JSS de Melo, F Pina, KJ van den Berg, ...
Talanta 74 (4), 922-929, 2008
Triplet state dynamics on isolated conjugated polymer chains
HD Burrows, JS De Melo, C Serpa, LG Arnaut, MG Miguel, AP Monkman, ...
Chemical Physics 285 (1), 3-11, 2002
Alternating binaphthyl− thiophene copolymers: synthesis, spectroscopy, and photophysics and their relevance to the question of energy migration versus conformational relaxation
J Pina, J Seixas de Melo, HD Burrows, AL Maçanita, F Galbrecht, ...
Macromolecules 42 (5), 1710-1719, 2009
Photophysics of thiophene based polymers in solution: the role of nonradiative decay processes
J Seixas de Melo, HD Burrows, M Svensson, MR Andersson, ...
The Journal of chemical physics 118 (3), 1550-1556, 2003
A photochemical study on the blue dye indigo: from solution to ancient Andean textiles
MM Sousa, C Miguel, I Rodrigues, AJ Parola, F Pina, JS Seixas de Melo, ...
Photochemical & Photobiological Sciences 7, 1353-1359, 2008
Spectral and photophysical studies of substituted indigo derivatives in their keto forms
JSS de Melo, R Rondão, HD Burrows, MJ Melo, S Navaratnam, R Edge, ...
ChemPhysChem 7 (11), 2303-2311, 2006
Picosecond conformational relaxation of singlet excited polyfluorene in solution
FB Dias, AL Maçanita, JS de Melo, HD Burrows, R Güntner, U Scherf, ...
The Journal of Chemical Physics 118, 7119, 2003
Excited-state dynamics and self-organization of poly (3-hexylthiophene)(P3HT) in solution and thin films
B Ferreira, PF da Silva, JS Seixas de Melo, J Pina, A Maçanita
The Journal of Physical Chemistry B 116 (8), 2347-2355, 2012
Excited-state proton transfer in indigo
J Pina, D Sarmento, M Accoto, PL Gentili, L Vaccaro, A Galvao, ...
The Journal of Physical Chemistry B 121 (10), 2308-2318, 2017
On the triplet state of poly (N-vinylcarbazole)
J Pina, J Seixas de Melo, HD Burrows, AP Monkman, S Navaratnam
Chemical physics letters 400 (4), 441-445, 2004
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