Thienothiophene and Triphenylbenzene Based Electroactive Conjugated Porous Polymer for Oxygen Reduction Reaction (ORR)
Source abstract
Abstract
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 synthe-sized applying palladium(0) catalyzed Suzuki coupling reaction and its ORR activity was investigated in alkaline condition. It demonstrated comparable electrocatalytic performance of approximate to 0.89-0.9 V Fonset vs 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 O2 adsorbing calculations, which were in line with the experimental results. Moreover, semiconducting and surface properties of TT-TPB were investigated in detail using electro-chemical and spectrophotometric techniques. This work shows the potential application of thienothiophene-based metal-free CPP in the electrochemical conversion process.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Covalent Organic Framework Applications · Conducting polymers and applications · Fuel Cells and Related Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Chemistry Department, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey
Koç University Tüpraş Energy Center (KUTEM), 34450 Sarıyer, Istanbul, Turkey
n2STAR Koç University Nanofabrication and Nanocharacterization Center for Scientific and Technological Advanced Research, 34450 Sarıyer, Istanbul, Turkey
Metallurgical and Materials Engineering Department, Faculty of Engineering, Marmara University, 34854 Maltepe, Istanbul, Turkey
Chemistry Group Laboratories, TUBITAK UME, 41470Gebze, Kocaeli, Turkey
Funding
Istanbul Teknik ?niversitesi · T?rkiye Bilimsel ve Teknolojik Arastirma Kurumu · ?nsped Global Lojistik
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