Электрофизические свойства композитных материалов на основе оксида графена и полианилина
Аннотация
Методом Холла изучены электрофизические характеристики композитных материалов на основе полианилина (ПАНИ), оксида графена (ОГ) с марганцем. Проведено сравнение этих характеристик композитных систем состава ОГ-ПАНИ и ОГ-ПАНИ-Mn с мономатериалами ОГ и ПАНИ.
Показано, что электрическая проводимость композитов значительно выше, чем мономатериалов и обусловлена подвижностью носителей заряда.
По данным УФ-видимой и ИК-спектроскопии определено, что ширина оптической запрещенной зоны (Eg) композита ОГ-ПАНИ увеличивается при добавлении металла, но уменьшается по сравнению с ПАНИ, смещение характеристических колебаний в область более низких частот свидетельствует о ковалентном взаимодействии композита ОГ-ПАНИ с катионами марганца
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