Synthesis, characterization and electrochemical study of layered double hydroxides intercalated with 2-thiophenecarboxylate anions
作者： Jairo Tronto , Kátia Cristina Sanchez , Eduardo Luis Crepaldi , Zeki Naal , Stanlei Ivair Klein
DOI: 10.1016/J.JPCS.2003.09.021
关键词:
摘要: Abstract The synthesis, characterization, and electrochemical study of the Zn(II)–Al(III) Zn(II)–Cr(III) Layered Double Hydroxides (LDHs) containing 2-thiopenecarboxylate as interlayer anions are described. LDHs were prepared by constant pH coprecipitation technique followed hydrothermal treatment for 72 h. materials analyzed PXRD, FT-IR, 13 C CP-MAS, EDX, TEM, CV. presence organic heterocyclic was confirmed FT-IR related solid-state NMR data strongly suggested that these dimerised during coprecipitation. Accordingly, basal spacing found X-ray ∼15.3 A, a distance coincident with formation bilayers intercalated anions. structural organization all new greatly enhanced treatment, shown PXRD. improved bilayered structures had strong influence in behaviour clay-modified electrodes produced materials, such diminished resistance to ionic flow through films.
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