DataVXACS Applied Materials & InterfacesPaper
journal article·2022-07-13Open access

Polythiacalixarene-Embedded Gold Nanoparticles for Visible-Light-Driven Photocatalytic CO2 Reduction

Tina Skorjanc, Khaja Mohaideen Kamal, Ayesha Alkhoori, Gregor Mali, Abdul Khayum Mohammed, Zouhair Asfari, Kyriaki Polychronopoulou, Blaž Likozar, Ali Trabolsi, Dinesh Shetty

ACS Applied Materials & Interfaces· Volume 14· Issue 27
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Source abstract

Abstract

Metal nanoparticles are potent reaction catalysts, but they tend to aggregate, thereby limiting their catalytic efficiency. Their coordination with specific functional groups within a porous structure prevents their aggregation and facilitates the mass flow of catalytic starting materials and products. Herein, we use a thiacalix[4]arene-based polymer as a porous support with abundant docking sites for Au nanoparticles. The sulfur atoms bridging the phenolic subunits of thiacalix[4]arene serve as Lewis basic sites that coordinate Au atoms. Therefore, this approach takes advantage of the functional groups inherent in the monomer and avoids laborious postsynthetic modifications of the polymer. The presented system was tested for visible-light-driven photocatalytic CO2 reduction, where it showed adequate ability to generate 6.74 μmol g–1 CO over the course of 4 h, while producing small amounts of the CH4 product. This study aims to stimulate interest in the design and development of synthetically simpler porous polymer supports for various metal nanoparticles in catalytic and other applications.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsCatalysis & surfaces

OpenAlex topics: Advanced Photocatalysis Techniques · Covalent Organic Framework Applications · Metal-Organic Frameworks: Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Science Division, New York University Abu Dhabi, Saadiyat Island, Abu Dhabi, United Arab Emirates

Materials Research Laboratory, University of Nova Gorica, Vipavska 11c, 5270 Ajdovscina, Slovenia

National Institute of Chemistry, Hajdrihova 19, Ljubljana 1001, Slovenia

Department of Mechanical Engineering & Center for Catalysis and Separations (CeCaS), Khalifa University, P.O. Box 127788 Abu Dhabi, United Arab Emirates

Department of Chemistry & Center for Catalysis and Separations (CeCaS), Khalifa University, P.O. Box 127788 Abu Dhabi, United Arab Emirates

Laboratoire de Chimie Analytique et Sciences Séparatives, Institut Pluridisciplinaire Hubert Curien, 67087 Strasbourg Cedex, France

NYUAD Water Research Center, New York University Abu Dhabi (NYUAD), Abu Dhab, Saadiyat Island, United Arab Emirates

Funding

Javna Agencija za Raziskovalno Dejavnost RS · Khalifa University of Science, Technology and Research · Tamkeen · H2020 Marie Sklodowska-Curie Actions · Horizon 2020 Framework Programme · New York University Abu Dhabi · University of Nova Gorica · Khalifa University faculty startup grant

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