List of works by J. Sergio Seixas de Melo

A comprehensive investigation of the electronic spectral and photophysical properties of conjugated naphthalene-thiophene oligomers.

scientific article published on 29 July 2009

A photochemical study on the blue dye indigo: from solution to ancient Andean textiles.

scientific article published in September 2008

A spectroscopic study of the interaction of the fluorescent beta-carboline-3-carboxylic acid N-methylamide with DNA constituents: nucleobases, nucleosides and nucleotides.

scientific article published on 11 May 2008

A water-soluble bithiophene with increased photoluminescence efficiency and metal recognition ability

scientific article published on 25 August 2020

Advances on photodynamic therapy of melanoma through novel ring-fused 5,15-diphenylchlorins

scientific article published on 4 January 2018

Alternating donor–acceptor indigo-cyclopentadithiophene copolymers: competition between excited state conformational relaxation, energy transfer and excited state proton transfer

article

Amplified Spontaneous Emission in Pentathienoacene Dioxides by Direct Optical Pump and by Energy Transfer: Correlation with Photophysical Parameters

Brazilwood reds: the (photo)chemistry of brazilin and brazilein

scientific article published on 3 October 2013

Characterization of the Singlet and Triplet Excited States of 3-Chloro-4-methylumbelliferone

article

Characterization of the triplet state of tris(8-hydroxyquinoline)aluminium(III) in benzene solution.

scientific article

Conformational relaxation of p-phenylenevinylene trimers in solution studied by picosecond time-resolved fluorescence.

scientific article published in December 2007

Controlling the fluorescence behavior of 1-pyrenesulfonate by cointercalation with a surfactant in a layered double hydroxide.

scientific article

Cyclopentadithiophene derivatives: a step towards an understanding of thiophene copolymer excited state deactivation pathways

article

Deactivation Routes in Gold(I) Polypyridyl Complexes: Internal Conversion Vs Fast Intersystem Crossing

article

Do [all]-S,S'-dioxide oligothiophenes show electronic and optical properties of oligoenes and/or of oligothiophenes?

scientific article published in May 2010

Dynamics and Energetics of the Self-Assembly of a Hydrophobically Modified Polyelectrolyte: Naphthalene-Labeled Poly(Acrylic Acid)

article

Dynamics and photophysics of oligomers and polymers

article

Dynamics of short as compared with long poly(acrylic acid) chains hydrophobically modified with pyrene, as followed by fluorescence techniques

article

Effect of substitution on the ultrafast deactivation of the excited state of benzo[b]thiophene-arylamines.

scientific article published on 15 July 2016

Effect of the phospholipid chain length and head group on beta-phase formation of poly(9,9-dioctylfluorene) enclosed in liposomes.

scientific article

Effects of the interaction between beta-carboline-3-carboxylic acid N-methylamide and polynucleotides on singlet oxygen quantum yield and DNA oxidative damage.

scientific article published in November 2007

Energy transfer from fluorene-based conjugated polyelectrolytes to on-chain and self-assembled porphyrin units

Excited State Characterization and Energy Transfer in Hyperbranched Polytruxenes and Polytruxene-block-Polythiophene Multiblock Copolymers

Excited state characterization of a polymeric indigo

scientific article published on 14 December 2011

Excited state dynamics in π-conjugated polymers

article

Excited-State Dynamics and Self-Organization of Poly(3-hexylthiophene) (P3HT) in Solution and Thin Films

article

Excited-State Isomerization of Leuco Indigo

scientific article published on 08 March 2012

Excited-State Proton Transfer in Indigo

scientific article published on 21 February 2017

Experimental Techniques for Excited State Characterisation

Fluorescence behavior of a pyrene-end-capped poly(ethylene oxide) in organic solvents and in dioxane-water mixtures.

scientific article published in January 2009

Fluorescent Type II Materials from Naphthylmethyl Polyamine Precursors

article

From molecular modelling to photophysics of neutral oligo- and polyfluorenes incorporated into phospholipid bilayers.

scientific article published in January 2015

From yellow to pink using a fluorimetric and colorimetric pyrene derivative and mercury (II) ions

article by Daniela Pinheiro et al published November 2014 in Dyes and Pigments

Heavy-atom effects on metalloporphyrins and polyhalogenated porphyrins

article published in 2002

Highly ordered luminescent calix[4]azacrown films showing an emission response selective to volatile tetrahydrofuran

article published in 2014

Insights into the Photophysics and Supramolecular Organization of Congo Red in Solution and the Solid State.

scientific article published on 19 December 2016

Interactions and Supramolecular Organization of Sulfonated Indigo and Thioindigo Dyes in Layered Hydroxide Hosts

scientific article published on 12 December 2017

Luminescent Properties of [UO2(TFA)2(DMSO)3], a Promising Material for Sensing and Monitoring the Uranyl Ion

Luminescent halogen-substituted 2-(N-arylimino)pyrrolyl boron complexes: the internal heavy-atom effect

scientific article published on 15 July 2020

Maya Blue, an Ancient Guest–Host Pigment: Synthesis and Models

Modulating the Self-Assembly of Calix[4]azacrowns to Design Materials with Improved Emission and Stimuli-Responsive Behavior

Multifaceted Regioregular Oligo(thieno[3,4-b]thiophene)s Enabled by Tunable Quinoidization and Reduced Energy Band Gap

scientific article published in 2015

Novel emissive podands based on 8-OH-quinoline: Synthesis, fluorescence materials, DFT and complexation studies

On the low-lying excited states of sym-triazine-based herbicides.

scientific article

P hotophysical processes in polymers and oligomers

Photochemistry and photophysics of thienocarbazoles

scientific article

Photochemistry for Cultural Heritage

article by Maria João Melo et al published 2016 in Lecture Notes in Quantum Chemistry II

Photophysical and spectroscopic investigations on (oligo)thiophene-arylene step-ladder copolymers. The interplay of conformational relaxation and on-chain energy transfer.

scientific article published in December 2009

Photophysical and theoretical studies of naphthalene-substituted oligothiophenes

article

Photophysical studies of alpha,omega-dicyano-oligothiophenes NC(C4H2S)nCN (n = 1-6).

scientific article published in April 2006

Photophysical studies of mixed furan, pyrrole, and thiophene-containing oligomers with three and five rings

article

Photophysics of an indigo derivative (keto and leuco structures) with singular properties.

scientific article published in December 2006

Photophysics of fluorescently labeled oligomers and polymers

Photophysics of thiophene based polymers in solution: The role of nonradiative decay processes

Picosecond conformational relaxation of singlet excited polyfluorene in solution

Platinum(II) Ring-Fused Chlorins as Near-Infrared Emitting Oxygen Sensors and Photodynamic Agents.

scientific article published on 22 February 2017

Polyamine Linear Chains Bearing Two Identical Terminal Aromatic Units. Evidence for a Photo Induced Bending Movement

article

Polycarbazoles and polytriphenylamines showing aggregation-induced emission (AIE) and intramolecular charge transfer (ICT) behavior for the optical detection of nitroaromatic compounds

Probing metal cations with two new Schiff base bischromophoric pyrene based chemosensors: Synthesis, photophysics and interactions patterns

Química de polímeros

Reconstructing the historical synthesis of mauveine from Perkin and Caro: procedure and details

scientific article published on 28 July 2017

Revisiting Perkin's dye(s): the spectroscopy and photophysics of two new mauveine compounds (B2 and C)

scientific article published on 04 April 2007

Room-Temperature Phosphorescence and Efficient Singlet Oxygen Production by Cyclometalated Pt(II) Complexes with Aromatic Alkynyl Ligands

scientific article published on 29 May 2020

S1∼>T1 intersystem crossing in π-conjugated organic polymers

article

Self-Assembly of a Hydrophobically Modified Naphthalene-Labeled Poly(acrylic acid) Polyelectrolyte in Water:Organic Solvent Mixtures Followed by Steady-State and Time-Resolved Fluorescence

scientific article published on 01 March 2005

Spectral and Photophysical Characterization of Donor-π-Acceptor Arylthienyl- and Bithienyl-Benzothiazole Derivatives in Solution and Solid State

article

Spectral and Photophysical Studies on Cruciform Oligothiophenes in Solution and the Solid State

article

Spectroscopic Properties, Excitation, and Electron Transfer in an Anionic Water-Soluble Poly(fluorene-alt-phenylene)-perylenediimide Copolymer

scientific article published on 18 June 2012

Spectroscopic and photophysical studies of a naphthalene-based emissive probe for metal cations

Spectroscopic characterization of α- and γ-pyrones and their substituted 4-hydroxy and 4-methoxy derivatives: an integrated infrared, photophysical and theoretical study

Spectroscopy and photophysics of 4- and 7-hydroxycoumarins and their thione analogs

Switching from intramolecular energy transfer to intramolecular electron transfer by the action of pH and Zn 2+ co-ordination

article

Synthesis and H+, Cu2+, and Zn2+ coordination behavior of a bis(fluorophoric) bibrachial lariat aza-crown.

scientific article published in September 2004

Synthesis, Structural and Photophysical Evaluations of Urea Based Fluorescent PET Sensors for Anions

Synthesis, spectroscopy, nonlinear optics, and theoretical investigations of thienylethynyl octopoles with a tunable core.

scientific article published in August 2009

Synthesis, structure and physical properties of luminescent Pr(III) β-diketonate complexes

scientific article published on 16 June 2016

The effect of polyaromatic hydrocarbons on the spectral and photophysical properties of diaryl-pyrrole derivatives: an experimental and theoretical study

scientific article published on 01 September 2014

The first substituted macrocyclic ligand Py2N4S2 containing four naphthylmethylene pendant-armed groups: Synthesis and photophysical properties

article

The molecules of color in Portuguese postage stamps (1857–1909)

article

The molecules of colour

October 2017 scholarly article in Photochemistry

The triplet state of indigo.

scientific article

Thio-Mayan-like Compounds: Excited State Characterization of Indigo Sulfur Derivatives in Solution and Incorporated in Palygorskite and Sepiolite Clays

article

Triphenylamine-benzimidazole derivatives: synthesis, excited-state characterization, and DFT studies

scientific article published on 29 October 2013

Triplet state dynamics on isolated conjugated polymer chains

article

Triplet states on π-conjugated polymers, oligomers and related materials

article

Understanding the interaction between trivalent lanthanide ions and stereoregular polymethacrylates through luminescence, binding isotherms, NMR, and interaction with cetylpyridinium chloride.

scientific article

Unsupervised characterization of research institutions with task-force estimation

Unusual photophysical properties of conjugated, alternating indigo–fluorene copolymers

article published in 2015

Unveiling the Eigen-Weller ion pair from the excited state proton transfer kinetics of 3-chloro-4-methyl-7-hydroxycoumarin.

scientific article published on 3 November 2014

β -Phase Formation in Poly(9,9-dioctylfluorene) Promoted by Natural Lecithin Liposomes

article published in 2013

β-Phase Formation of Poly(9,9-dioctylfluorene) Induced by Liposome Phospholipid Bilayers

article published in 2011

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