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- W3037746977 endingPage "626" @default.
- W3037746977 startingPage "626" @default.
- W3037746977 abstract "In this study, macroporous graphene aerogels (GAs) were synthesized by chemical reduction of graphene oxide sheets and were used as a support material for in situ synthesis of conductive poly(para-phenylenediamine) (p(p-PDA)). The in situ synthesis of p(p-PDA) in GA was carried out by using a simple oxidation polymerization technique. Moreover, the prepared conductive p(p-PDA) polymers in the networks of GAs were doped with various types of acids such as hydrochloric acid (HCl), nitric acid (HNO3), sulfuric acid (H2SO4), phosphoric acid (H3PO4), respectively. The prepared GA and different acid-doped forms as GA/p(p-PDA) composites were characterized by FT-IR, TGA, and conductivity measurements. The observed FT-IR peaks at 1574 cm−1, and 1491 cm−1, for stretching deformations of quinone and benzene, respectively, confirmed the in situ synthesis of P(p-PDA) polymers within GAs. The conductivity of GAs with 2.17 × 10−4 ± 3.15 × 10−5 S·cm−1 has experienced an approximately 250-fold increase to 5.16 × 10−2 ± 2.72 × 10−3 S·cm−1 after in situ synthesis of p(p-PDA) polymers and with HCl doping. Conductivity values for different types of acid-doped GA/p(p-PDA) composites were compared with the bare p(p-PDA) and their undoped forms. Moreover, the changes in the conductivity of GA and GA/p(p-PDA) composites upon CO2 gas exposure were compared and their sensory potential in terms of response and sensitivity, along with reusability in CO2 detection, were evaluated." @default.
- W3037746977 created "2020-07-02" @default.
- W3037746977 creator A5001911857 @default.
- W3037746977 creator A5058407442 @default.
- W3037746977 creator A5065284360 @default.
- W3037746977 date "2020-06-27" @default.
- W3037746977 modified "2023-10-12" @default.
- W3037746977 title "Graphene Aerogels for In Situ Synthesis of Conductive Poly(para-phenylenediamine) Polymers, and Their Sensor Application" @default.
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- W3037746977 doi "https://doi.org/10.3390/mi11070626" @default.
- W3037746977 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7408166" @default.
- W3037746977 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32605054" @default.
- W3037746977 hasPublicationYear "2020" @default.
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