Search Results - "Rezende Calado, Hállen Daniel"

Synthesis and electrochemical investigation of beta-substituted thiophene-based donor–acceptor copolymers with 3,4-ethylenedioxythiophene (EDOT) by de Araujo, Marcus Henrique, Matencio, Tulio, Donnici, Claudio Luis, Calado, Hállen Daniel Rezende

“…The present work reports the synthesis of four electron-acceptor beta -substituted thiophenes that were studied as monomers for electrochemical polymerization…”
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Electrochromic and spectroelectrochemical properties of polythiophene β-substituted with alkyl and alkoxy groups by De Lazari Ferreira, Luiza, Calado, Hállen Daniel Rezende

“…Polythiophenes are conjugated polymers that are highly promising candidates for use as an active layer in flexible optoelectronic devices. The β-substitution…”
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Electrochromic and electrochemical properties of copolymer films based on EDOT and phenylthiophene derivatives by Lacerda, Glenda Ribeiro de Barros Silveira, Calado, Claudinei Rezende, Calado, Hállen Daniel Rezende

“…The poly(3,4-ethylenedioxythiophene-co-3-phenylthiophene) (P(EDOT-co-3PT)) and poly(3,4-ethylenedioxythiophene-co-3-(4-fluorophenyl)thiophene) (P(EDOT-co-FPT))…”
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Development of nanohybrids based on carbon nanotubes/P(EDOT-co-MPy) and P(EDOT-co-PyMP) copolymers as electrode materials for aqueous supercapacitors by Lacerda, Glenda Ribeiro de Barros Silveira, dos Santos Junior, Garbas Anacleto, Rocco, Maria Luiza Miranda, Lavall, Rodrigo Lassarote, Matencio, Tulio, Calado, Hállen Daniel Rezende

“…We present the synthesis of nanohybrids based on carbon nanotube with EDOT/Py derivatives copolymers, P(EDOT-co-MPy) and P(EDOT-co-PyMP). These hybrids were…”
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Poly(3-hexylthiophene)/titanium dioxide nanocomposites prepared by in-situ polymerization: structure, morphology and electrochemical properties by Almeida, Aline Ingrid Alves dos Reis, Ferreira, Luiza De Lazari, de Almeida, Gabriella Correia, Calado, Hállen Daniel Rezende, Viana, Marcelo Machado

“…•P3HT/TiO2 Nanocomposites prepared by polymerization in situ.•TiO2 anatase nanoparticles were obtained by microwave-assisted green synthesis.•Head-tail (HT)…”
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Development of a new hybrid CNT-TEPA@poly(3,4-ethylenedioxythiophene-co-3-(pyrrol-1-methyl)pyridine) for application as electrode active material in supercapacitors by Lacerda, Glenda Ribeiro de Barros Silveira, dos Santos Junior, Garbas Anacleto, Rocco, Maria Luiza Miranda, Lavall, Rodrigo Lassarote, Matencio, Tulio, Calado, Hállen Daniel Rezende

“…We report the synthesis of a CNT-TEPA@PEPy hybrid material by the copolymerization of EDOT and Py analogs units covalently bonded to TEPA modified carbon…”
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New directly electrosynthesized metal-free copolymeric NIR emitters based on EDOT-[β-thiophene-carboxamide]-fluorene like donor-acceptor systems by Ávila-Costa, Marina, Donnici, Claudio Luis, Rezende Calado, Hállen Daniel, Cury, Luiz Alberto

“…Three new metal-free copolymeric fluorophores, which present unusual and strong fluorescence NIR emission were synthesized through low-cost, easy, fast and…”
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Multi-walled carbon nanotubes functionalized with triethylenetetramine as fillers to enhance epoxy dimensional thermal stability by da Silva, Wellington Marcos, Ribeiro, Hélio, Neves, Juliana Cardoso, Calado, Hállen Daniel Rezende, Garcia, Filiberto González, Silva, Glaura Goulart

“…Multi-walled carbon nanotubes (MWCNT) have been used as fillers to improve thermal properties such as glass transition temperature ( T g ) of epoxy materials…”
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Simultaneous quartz microbalance and mirage effect studies of poly(3-methoxythiophene) electrosynthesis and electrochemical characterisations by Alves, Marcos Roberto de Abreu, Reis, Raphael Nasser Capistrano, Oliveira, Jean Gomes de, Calado, Hállen Daniel Rezende, Donnici, Claudio Luis, Matencio, Tulio

“…This work characterises the electropolymerisation of 3-methoxythiophene and presents an electrochemical study of poly(3-methoxythiophene) by cyclic voltammetry…”
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Electrical and spectroelectrochemical investigation of thiophene-based donor-acceptor copolymers with 3,4-ethylenedioxythiophene by Araujo, Marcus Henrique de, Matencio, Tulio, Donnici, Claudio Luis, Calado, Hállen Daniel Rezende

“…Abstract This work reports the spectroelectrochemical and electrical behavior of electropolymerized donor-acceptor like (D-A) copolymer films, based on…”
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Oligômeros e polímeros derivados do tiofeno: síntese e aplicações Thiophene-based oligomers and polymers: syntheses and applications by Marcos Roberto de Abreu Alves, Hállen Daniel Rezende Calado, Tulio Matencio, Claudio Luis Donnici

“…In this review we summarize recent synthetic investigations about the preparation of oligothiophenes and polythiophenes, the most important π-conjugated…”
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Oligômeros e polímeros derivados do tiofeno: síntese e aplicações by Alves, Marcos Roberto de Abreu, Calado, Hállen Daniel Rezende, Matencio, Tulio, Donnici, Claudio Luis

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Volatile sulfur compounds, biofilm, and salivary parameters in patients with periodontal disease: a cross-sectional study by Silva, Maiza Luiza Vieira, Viana, Karolina Skarlet Silva, de Arruda, José Alcides Almeida, de Miranda, Renatha Duarte, Soares, Meiriane Cristina Faria, Calado, Hallen Daniel Rezende, Amorim, Mara Cristina Lopes, Costa, Fernando Oliveira, Cota, Luis Otávio Miranda, Abreu, Lucas Guimarães, Amaral, Tânia Mara Pimenta, Mesquita, Ricardo Alves

“…This cross-sectional study aimed to evaluate the interplay between volatile sulfur compounds (VSC), biofilm, salivary parameters, and periodontal status in…”
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