Redox active nitrogen-containing conjugated porous polymer: An organic heterogeneous electrocatalysts for oxygen reduction reaction
- Authors
- Bandyopadhyay, Sujoy; Boukhvalov, Danil W.; Nayak, Arpan Kumar; Ha, Su Ryong; Shin, Hee Jeong; Kwon, Jiseok; Song, Taeseup; Choi, Hyosung
- Issue Date
- Nov-2019
- Publisher
- ELSEVIER SCI LTD
- Citation
- DYES AND PIGMENTS, v.170, pp.1 - 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- DYES AND PIGMENTS
- Volume
- 170
- Start Page
- 1
- End Page
- 5
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2860
- DOI
- 10.1016/j.dyepig.2019.107557
- ISSN
- 0143-7208
- Abstract
- Here we report the fabrication of a novel three-dimensional conjugated porous polymer (CPP–P1) developed by a palladium-catalysed Sonogashira poly-condensation reaction. The solid polymer was thoroughly characterized by 13C cross-polarization solid-state NMR and X-ray photoelectron spectroscopy (XPS). The pristine nitrogen-containing CPP was explored as an electrocatalyst for the oxygen reduction reaction (ORR) in alkaline media 0.1 M KOH. We observed that in the case of pristine polymer CPP-P1 oxygen reduction occurs through four electron transfer pathway with excellent stability and good tolerance to methanol. The detailed molecular-level structure for oxygen reduction and mode of oxygen binding site to the polymer was explained by density functional theory (DFT) calculation.
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