2019
DOI: 10.21577/0103-5053.20190026
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Semiconductor Nanocrystals-Reduced Graphene Composites for the Electrochemical Detection of Carbendazim

Abstract: A new nanocomposite based on ZnCdTe semiconductor nanocrystals (NCs) synthesized in situ on reduced graphene oxide (rGO) was obtained. The heterostructure was characterized using UV-Vis emission and absorption spectroscopies, which provided evidences of the growth of the nanocrystals onto the rGO matrix. To evaluate the electrochemical performance, carbon paste electrodes modified with the nanocomposite (QD-rGO/CPE) were prepared, showing high sensitivity in the electroanalytical detection of the pesticide car… Show more

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Cited by 17 publications
(10 citation statements)
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“…[148,149] In plenty of reports, these graphitic derivatives have presented remarkable applications ranging from energy generation to sensing and magnetic purposes. [150][151][152][153][154]…”
Section: Other Chemical Dopingmentioning
confidence: 99%
“…[148,149] In plenty of reports, these graphitic derivatives have presented remarkable applications ranging from energy generation to sensing and magnetic purposes. [150][151][152][153][154]…”
Section: Other Chemical Dopingmentioning
confidence: 99%
“…As amostras de caupi e guandu foram adquiridas no município de Ipirá, micro-região (0,87,13,0 e 0,70 L min -1 , respectivamente); modo de análise peak jump; sweeps (100); dwell time (10 ms); fluxo gás CCT (6,5 mL min -1 ).…”
Section: Obtenção E Preparo Das Amostrasunclassified
“…Esse termo designa a inserção de espécies quimicamente ativas à superfície dos eletrodos, com a finalidade de intensificar as propriedades eletroanalíticas, melhorando as interações com o analito, aumentando a reatividade e a seletividade entre solução/eletrodo. [45][46][47][48][49][50][51][52] Esse dispositivo permitiu estudos mais complexos para diferentes analitos e amostras reais. O eletrodo de mercúrio gotejante foi o mais utilizado para fins eletroanalíticas, entretanto a estreita faixa de potencial na região anódica e a alta toxicidade, impulsionou a busca por novos materiais modificadores.…”
Section: Eletrodos Quimicamente Modificados (Eqm)unclassified