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首页> 外文期刊>Journal of spectroscopy >Spectroscopic Study of Polyaniline/AgCl@Ag Nanocomposites Prepared by a One-Step Method
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Spectroscopic Study of Polyaniline/AgCl@Ag Nanocomposites Prepared by a One-Step Method

机译：一步法制备的聚苯胺/ AgCl @ Ag纳米复合材料的光谱研究

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Polyaniline (PANI)/Ag@AgCl nanocomposites were successfully synthesized by one-step method, which consists of mixing aqueous solutions of silver nitrate with aniline chloride and delaying the evolution of reaction. By this way, aniline chloride represents a monomer for PANI and a source of Cl− anions necessary for the formation of AgCl, and silver nitrate acts simultaneously as oxidant initiator for aniline polymerization and precursor for AgCl@Ag phase. The formation of polyaniline has been identified by the change of color to black green and from RAMAN and FTIR spectroscopy while AgCl@Ag phase has been highlighted from XRD and RAMAN. The application of Debye–Scherrer theory allows us to measure the crystallite sizes of Ag and AgCl which were, respectively, 23 and 52 nm. The AC conductivity showed a regime of constant DC conductivity at low frequencies corresponding to 0.4 S/cm−1 and a crossover to a frequency-dependent regime of the type Aωs at high frequencies.
机译：一步法成功地合成了聚苯胺（PANI）/ Ag @ AgCl纳米复合材料，该方法包括将硝酸银水溶液与苯胺氯化物混合并延迟反应的进行。通过这种方式，氯化苯胺代表PANI的单体和形成AgCl所需的Cl-阴离子源，硝酸银同时充当苯胺聚合的氧化剂和AgCl @ Ag相的前体。聚苯胺的形成已通过颜色变为黑绿色和RAMAN和FTIR光谱进行了鉴定，而AgCl @ Ag相则已通过XRD和RAMAN突出显示。 Debye-Scherrer理论的应用使我们能够测量Ag和AgCl的微晶尺寸，分别为23和52nm。交流电导率在低频下表现为恒定的直流电导率，对应于0.4 S / cm-1，并且在高频下表现出与频率相关的Aωs型态的交叉。

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