Search Results - "Duarte, José Leonil"
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Nonradiative Energy Transfer between Porphyrin and Copolymer in Films Processed by Organic Solvent and Water-Dispersible Nanoparticles with Photovoltaic Applications
Published in Journal of physical chemistry. C (15-03-2018)“…In organic photovoltaic (OPV) devices, one way to increase light harvesting is to combine materials with complementary absorptions. However, the physical…”
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2
Laser irradiation effects on the optical properties of layer-by-layer PPV/Congo Red thin films
Published in Synthetic metals (01-01-2011)“…In this paper we investigate the optical properties of thin films produced through the layer-by-layer (LbL) technique with a poly (p-phenylene vinylene) (PPV)…”
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3
Tuning the optical properties of luminescent down shifting layers based on organic dyes to increase the efficiency and lifetime of P3HT: PCBM photovoltaic devices
Published in Journal of luminescence (01-11-2018)“…Mixtures of luminescence downshifting (LDS) materials has been used to increase the efficiency of poly(3-hexylthiophene-2,5-diyl):phenyl-C61-butyric acid…”
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4
Synthesis and characterization of CdS/ZnS heterostructures to improve the optical properties of CdS quantum dots
Published in Journal of luminescence (01-05-2023)“…In this work, we performed the synthesis of CdS quantum dots (QDs) and CdS/ZnS heterostructures (HQDs) via a hot injection method. The chemical route…”
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5
Application of luminescence downshifting materials for enhanced stability of CH3NH3PbI3(1-x)Cl3x perovskite photovoltaic devices
Published in Organic electronics (01-10-2017)“…The application of luminescent down shifting (LDS) layers as alternative UV filters for CH3NH3PbI3(1-x)Cl3x perovskite solar cell (PSC) devices is reported. A…”
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6
Optimizing the optical properties of a dye-based luminescent down-shifter to improve the performance of organic photovoltaic devices
Published in Dyes and pigments (01-10-2019)“…Through luminescence downshifting (LDS) effect, high energy solar radiation is converted to a wavelength region where the response of the photovoltaic devices…”
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7
Non-radiative energy transfer in aqueously dispersed polymeric nanoparticles for photovoltaic applications
Published in Synthetic metals (01-05-2021)“…Polymeric nanoparticles dispersed in an aqueous medium were synthesized using the miniemulsion technique. In this study, nanoparticles composed of copolymer…”
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Morphology, Photoexcitation Dynamics and Stability of Water-Dispersed Nanoparticle Films based on Semiconducting Copolymer
Published in Thin solid films (01-03-2021)“…•Water based semiconducting PSiF-DBT nanoparticles (NPs) produced by mini-emulsion.•Thin films of PSiF-DBT NPs in water were compared to PSiF-DBT in organic…”
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Effects of Au/PEDOT:PSS/P3HT Interface Morphology on the Electrical and Optical Properties of Poly (3-Hexylthiophene)
Published in Journal of electronic materials (01-09-2019)“…This study analyzed the interfaces between poly(3-hexylthiophene) (P3HT) on an Au substrate (Au/P3HT) and on Au coated with poly(3,4-ethyldioxythiophene) doped…”
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Structural Stability and Optical Studies of Poly(3-hexylthiophene) in an ITO/PEDOT:PSS/P3HT Interface
Published in Journal of electronic materials (01-11-2018)“…An interface between poly(3-hexylthiophene) (P3HT) and poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) (PEDOT:PSS) was prepared in LiClO…”
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11
Photoinduced dedoping in electrochemically synthesized P3HT films
Published in Applied physics. A, Materials science & processing (01-06-2018)“…The optical properties of electrochemically synthesized P3HT films were studied. After the synthesis, the samples were divided into two groups: as prepared…”
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12
Solvent Effect on Morphology and Optical Properties of Poly(3-hexylthiophene):TIPS-Pentacene Blends
Published in Journal of electronic materials (01-02-2018)“…Optical, electrical, and morphological properties of poly(3-hexylthiophene):6,13-bis(triisopropylsilylethynyl) (TIPS)-pentacene (P3HT:TP) blend films, in the…”
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Achieving White Emission from Solution Processable Blends of Polyvinylene Derivative Guests into a Polyfluorene Matrix
Published in Journal of electronic materials (01-09-2019)“…In this work we have studied the emissions from luminescent polymeric blends, aiming to obtain a white emission. Two of the materials, a polyfluorene…”
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Desenvolvimento de Dispositivos Fotovoltaicos e Diodos Emissores de Luz de Corantes Naturais: novos parâmetros de sustentabilidade
Published in Semina. Ciências exatas e tecnológicas (16-08-2016)“…A procura de produtos ambientalmente amigáveis, com obtenção a partir de fontes facilmente renováveis e de fácil acesso, menor custo, biodegradáveis, menos…”
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Characterization of digital textile printing and polymer blend (PFO-DMP:P3HT) for application in manufacture of organic diodes emitting white light – WOLEDS
Published in Optical materials (01-12-2016)“…The research of materials and structures for the manufacture of organic diodes emitting white light WOLEDS has been very intense nowadays mainly due to the…”
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Thin films of poly[(9,9-dioctylfluorene)-co-thiophene] deposited on ITO by the Langmuir–Schaefer and Langmuir–Blodgett techniques
Published in Journal of materials science. Materials in electronics (01-02-2017)“…The copolymer, poly[(9,9-dioctylfluorene)-co-thiophene] (PDOF-co-Th), prepared by the Suzuki reaction, was deposited as thin films on ITO substrates using the…”
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Effect of pressure on the remixing process in CH3NH3Pb(I1-xBrx)3 perovskite thin films
Published in Journal of luminescence (01-07-2018)“…Segregation is an effect observed when CH3NH3Pb(I1-xBrx)3 mixed perovskites are illuminated with photon energy greater than their band gap. It is concerned to…”
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18
Poços Quânticos Duplos Acoplados
Published in Semina. Ciências exatas e tecnológicas (15-12-2010)“…O rápido progresso das técnicas de crescimento de materiais semicondutores possibilitou a fabricação de uma série de novos dispositivos que contribuíram para o…”
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A infuência de diferentes interfaces nas características elétricas e ópticas de Espelhos de Bragg de ALGaAsSB/ALAsSB dopados com Te, sobre InP
Published in Semina. Ciências exatas e tecnológicas (15-07-2008)“…São apresentadas as propriedades elétricas e ópticas de espelhos de Bragg com 6.5 períodos de AlGaAsSb/ AlAsSb não dopado e dopados com Te, sobre InP,…”
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20
Study of energy transfer in polymer blends of TFB:P3HT
Published in Semina. Ciências exatas e tecnológicas (01-10-2017)“…In order to study the optical properties of TFB polymer and its blend with P3HT polymer, absorption and photoluminescence (PL) measurements were performed for…”
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