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Thienothiophene and Triphenylbenzene Based Electroactive Conjugated Porous Polymer for Oxygen Reduction Reaction (ORR)

  • Recep Isci
  • , Timuçin Balkan
  • , Saeede Tafazoli
  • , Berkay Sütay
  • , Mehmet S. Eroglu
  • , Turan Ozturk*
  • *Bu çalışma için yazışmadan sorumlu yazar
  • Istanbul Technical University
  • Koc University
  • Marmara University
  • Scientific and Technological Research Council of Turkey

Araştırma çıktısı: Dergi yayınıMakaleHakem

37 Atıf (Scopus)

Özet

Catalysts based on metal-free conjugated porous polymers (CPPs) are still rare for electrochemical oxygen reduction reactions (ORR). In this study, a conjugated porous polymer, TT-TPB, based on thieno[3,2-b]thiophene (TT) and triphenylbenzene (TPB), was synthesized applying palladium(0) catalyzed Suzuki coupling reaction and its ORR activity was investigated in alkaline condition. It demonstrated comparable electrocatalytic performance of ≈0.89-0.9 V Eonsetvs RHE with the commercially available Pt/C. Density-functional theory (DFT) calculations revealed that TT-TPB featured efficient electrocatalytic active sites derived from volumetric, areal, and O2adsorbing calculations, which were in line with the experimental results. Moreover, semiconducting and surface properties of TT-TPB were investigated in detail using electrochemical and spectrophotometric techniques. This work shows the potential application of thienothiophene-based metal-free CPP in the electrochemical conversion process.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)13284-13292
Sayfa sayısı9
DergiACS Applied Energy Materials
Hacim5
Basın numarası11
DOI'lar
Yayın durumuYayınlandı - 28 Kas 2022

Bibliyografik not

Publisher Copyright:
© 2022 American Chemical Society. All rights reserved.

Finansman

We thank Higher Education Council of Turkey (YOK) and TUBITAK grants to R.I. (PhD, 100/2000 YOK and 2211A BIDEP/TUBITAK). The authors thank ITU (Istanbul Technical University) and Unsped Global Lojistik, Turkey, for financial support. We also thank Dr. Sarp Kaya and KUTEM (Koç University Tüpraş Energy Center) for using their infrastructure. T.B. also thanks Kaan Şimşek for his valuable help.

Finansörler
Istanbul Teknik Üniversitesi

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