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Green synthesized carbon quantum dots as TiO2 sensitizers for photocatalytic hydrogen evolution
Scopus
Toplam 129 atıf DOI
Carbon quantum dots (CQDs) have attracted growing interest due to their superior luminescent properties, which make them excellent photosensitizers for TiO2. This study presents the green-synthesis of CQDs from edible mushroom Agaricus bisporus through microwave irradiation. In the study as-synthesized CQDs were used as a sensitizer for TiO2 in photocatalytic hydrogen evolution in aqueous triethanolamine (sacrificial reagent) under visible-light irradiation. Photocatalytic hydrogen production activity of CQD-sensitized TiO2 was found to be 472 μmol g−1 h−1 (without loading any noble metal co-catalyst) and 1458 μmol g−1 h−1 (with loading Pt co-catalyst). The study revealed that the CQDs from mushroom A. bisporus can be used as an efficient sensitizer for TiO2 in photocatalytic hydrogen production.
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Synthesis of carbon dots from biomass resources
Scopus
Havuzumuzda 8 atıf almış
Emerging as an important member of the carbon family, carbon dots (CDs), defined as zero-dimensional luminescent nanoparticles are considered as an alternative to traditional quantum dots and fluorescent dyes due to their unique properties which give them a broad range of applications. Amid various carbon sources, biomass-based sources have come to the fore as appropriate precursors for heteroatom-doped and bio-inspired CDs synthesis owing to their green, abundant, cheap, renewable, biocompatible, and environmentally friendly properties. Moreover, multifunctional CDs can easily be fabricated from biomass with desired features due to their different functional groups having therapeutic and biorecognition properties. Furthermore, the synthesis of CDs from biomass waste provides the conversion of low-value/worthless biomass into valuable nanoparticles along with environmental protection. Biomass-derived CDs are produced via a bottom-up approach including hydrothermal synthesis, microwave-assisted synthesis, pyrolysis, chemical oxidation, ultrasonic-assisted synthesis, and template method. Herein, we reviewed synthesis routes of biomass-derived CDs and biomass sources by discussing their advantages/disadvantages and future aspects.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey