Search Results - "Akcelrud, L."

Photophysical and Theoretical Interpretation of the Insensitive Emission to Temperature of a Metallopolymer Containing Europium Ions by Turchetti, D. A, Zanlorenzi, C, Duarte, L. G. T. A, Santos, R. F. S, Atvars, T. D. Z, Domingues, R. A, Akcelrud, L. C

“…The luminescence and thermochromic properties of a europium-containing metallopolymer were investigated in experimental and theoretical aspects using the same…”
Get full text

Plasmonics and SERS activity of post-transition metal nanoparticles by Bezerra, A. G., Machado, T. N., Woiski, T. D., Turchetti, D. A., Lenz, J. A., Akcelrud, L., Schreiner, W. H.

“…Nanoparticles of the post-transition metals, In, Sn, Pb, and Bi, and of the metalloid Sb were produced by laser ablation synthesis in solution (LASiS) and…”
Get full text

Degradation profile of polyethylene after artificial accelerated weathering by Gulmine, J.V., Janissek, P.R., Heise, H.M., Akcelrud, L.

“…Elucidation of the chemical changes that take place during the aging of polyethylene sheared electrical cables, and the correlation of these changes with…”
Get full text

FTIR characterization of aged XLPE by Gulmine, J.V., Akcelrud, L.

“…The effects on macromolecular structure brought about by accelerated ageing in linear and crosslinked polyethylenes were detected and quantitatively monitored…”
Get full text

Determination of P3HT Trap Site Energies by Thermally Stimulated Current by Souza, J. F. P., Serbena, J. P. M., Kowalski, E. L., Akcelrud, L. C.

“…The thermal, electrical and morphological characterization of poly(3-hexylthiophene-2,5diyl) (P3HT) is presented and discussed. Thermal analyses revealed high…”
Get full text

Polyethylene characterization by FTIR by Gulmine, J.V, Janissek, P.R, Heise, H.M, Akcelrud, L

“…Important experimental parameters for FTIR spectra acquisition were studied: apodization, beam aperture, number of scans and spectral resolution, using…”
Get full text

Photophysical properties of a fluorene–bipyridine copolymer and its complexes with europium by Turchetti, D.A., Rodrigues, P.C., Berlim, L.S., Zanlorenzi, C., Faria, G.C., Atvars, T.D.Z., Schreiner, W.H., Akcelrud, L.C.

“…[Display omitted] ► Europium ions were inserted in 80% of the repeating units of a di-pyridine copolymer. ► The complexation required a twist of 79° (49 kJ)…”
Get full text

Correlations between structure and accelerated artificial ageing of XLPE by Gulmine, J.V., Akcelrud, L.

“…The elucidation of the structural and morphological changes that occur during the crosslinking of polyethylene and the correlation of these changes with the…”
Get full text

Correlations between the processing variables and morphology of crosslinked polyethylene by Gulmine, J. V., Akcelrud, L.

“…Crosslinked polyethylene (XLPE) is progressively replacing other types of polyethylene in electric cable insulation because of its combination of better…”
Get full text

Solvent and molecular weight effects on fluorescence emission of MEH-PPV by Cossiello, R. F., Akcelrud, L., Atvars, T. D. Z.

“…Here we systematically studied the excitation and the fluorescence steady-state spectroscopy of poly(2-methoxy-5(2'-ethylhexyloxy)-1,4-phenylenevinylene)…”
Get full text

Photophysical Properties of a Series of Poly(ladder-type phenylene)s by Laquai, F., Mishra, A. K., Ribas, M. R., Petrozza, A., Jacob, J., Akcelrud, L., Müllen, K., Friend, R. H., Wegner, G.

“…The photophysical properties, i.e., the fluorescence and phosphorescence of a series of blue light‐emitting poly(ladder‐type phenylene)s have been investigated…”
Get full text

Correlations between Conjugation Length, Macromolecular Dynamics, and Photophysics of Phenylene-Vinylene/Aliphatic Multiblock Copolymers by Bernardinelli, O. D, Cassemiro, S. M, Nunes, L. A. O, Atvars, T. D. Z, Akcelrud, L, deAzevedo, E. R

“…This work reports a detailed spectroscopy study of a series of multiblock conjugated nonconjugated copolymers built by p-phenylene vinylene type units (PV) and…”
Get full text

Effect of conjugation length on photophysical properties of a conjugated–non-conjugated multiblock copolymer by Cassemiro, S.M., Thomazi, F., Roman, L.S., Marletta, A., Akcelrud, L.

“…The synthesis, structural characterization and photophysical properties of copolymers built by conjugated PPV type units of variable length and an aliphatic…”
Get full text

Avoiding trap states in poly(n-vinylcarbazole) thin films by Araujo, K.A.S., Guimarães, P.S.S., Cury, L.A., Akcelrud, L., Sanvitto, D., De Giorgi, M., Valadares, M., Calado, H.D.R.

“…[Display omitted] ► PVK films were studied under excitation at CW and at pulsed lasers. ► PVK deep blue emission quenching due to the existence of aggregate…”
Get full text

X-rays sensing properties of MEH-PPV, Alq3 and additive components: A new organic dosimeter as a candidate for minimizing the risk of accidents of patients undergoing radiation oncology by Schimitberger, T, Ferreira, G.R, Akcelrud, L.C, Saraiva, M.F, Bianchi, R.F

“…Abstract In this paper, we report our experimental design in searching a smart and easy-to-read dosimeter used to detect 6 MV X-rays for improving patient…”
Get full text

Electroluminescent polymers by Akcelrud, Leni

“…Electroluminescent polymers are reviewed in terms of synthesis and relationships between structure and light emission properties. The main concepts, problems…”
Get full text

Synthesis and photophysical study of a conjugated–non-conjugated oligoazomethine by Machado, A.M., Da Motta Neto, J.D., Atvars, T.D.Z., Akcelrud, L.

“…A soluble conjugated–non-conjugated oligoazomethyne, namely…”
Get full text

Photoluminescence and Relaxation Processes in MEH−PPV by Cossiello, R. F, Kowalski, E, Rodrigues, P. C, Akcelrud, L, Bloise, A. C, deAzevedo, E. R, Bonagamba, T. J, Atvars, T. D. Z

“…A detailed description of the thermal relaxation processes in MEH−PPV is reported. Bulk methods such as DMTA were employed in conjunction with other techniques…”
Get full text

Organic light emitting diodes with europium (III) emissive layers based on β-diketonate complexes: The influence of the central ligand by Santos, G., Fonseca, F.J., Andrade, A.M., Deichmann, V., Akcelrud, L., Braga, S.S., Coelho, A.C., Gonçalves, I.S., Peres, M., Simões, W., Monteiro, T., Pereira, L.

“…This work shows a comparative study of organic light emitting diodes based on four different europium complexes with the general formula, Eu(CLs)3bipyridine,…”
Get full text

Photo and electroluminescence behavior of Tb(ACAC) 3phen complex used as emissive layer on organic light emitting diodes by Rino, L., Simões, W., Santos, G., Fonseca, F.J., Andrade, A.M., Deichmann, V.A.F., Akcelrud, L., Pereira, L.

“…This work shows the luminescence properties of a rare-earth organic complex, the Tb(ACAC) 3phen. The results show the 5D 4 → 7F 3,4,5,6 transitions with no…”
Get full text