No presente trabalho, biofilmes condutores foram sintetizados através de soluções de 100 mL de água com 3 g de amido de mandioca (Manihot esculenta Crantz) e quantidades diferentes de glicerina, glutaraldeído, polietilenoglicol e perclorato de lítio. Estes filmes foram caracterizados por espectroscopia de impedância eletroquímica (EIS), microscopia eletrônica de varredura (SEM), espectrometria de reflexão total atenuada no infravermelho com transforma de Fourier (ATR-FTIR), termogravimetria (TG). Os resultados mostraram que os biofilmes com quantidades mais elevadas de perclorato de lítio possuem valores maiores de condutividade e as diferenças morfológica e molecular foram observadas como sendo um resultado das proporções adicionadas dos compostos em cada uma das rotas de preparação.In the current work, conductor biofilms were synthesized by means of solutions of 100 mL of water with 3 g of starch from cassava (Manihot esculenta Crantz) and different amounts of glycerin, glutaraldehyde, polyethyleneglycol and lithium perchlorate. These biofilms were characterized through electrochemical impedance spectroscopy (EIS), scanning electronic microscopy (SEM), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) and thermogravimetry (TG). Results showed that biofilms with higher amount of lithium perchlorate portray higher values of conductivity and morphological and molecular differences could be observed as a result of the added proportions of the compounds in each one of the trials.
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