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- Ahmad, TausifUniversiti Teknologi PETRONAS, MYS (author)
Controllable phytosynthesis of gold nanoparticles and investigation of their size and morphology-dependent photocatalytic activity under visible light
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- Elsevier,2020
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kau-81004
- https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-81004URI
- https://doi.org/10.1016/j.jphotochem.2020.112429DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Plants mediated synthesis of gold nanoparticles (AuNPs) containing desired characteristics for their suitable potential applications has been a challenging task, which is causing a major hindrance towards its commercialization. Therefore, herein phytosynthesis of AuNPs with required size and morphology has been achieved through manipulating the reaction conditions including reaction temperature and volume of Elaeis guineensis leaves (EGL) extract. Furthermore, photocatalytic potential of EGL mediated AuNPs having different size and shape has also been explored for the removal of methylene blue (MB) under visible light irradiation. The reaction temperature and volume of EGL strongly influenced the size and morphology of AuNPs, which are directly associated with the photocatalytic activities. The experimental results revealed that predominantly spherical and ultra-smaller size AuNPs with particle size of 16.26 ± 5.84 nm, formed at 70 °C showed the highest removal efficiency up to 92.55 % in 60 min. This highest photocatalytic activity of AuNPs could be attributed to the availability of higher number of low-coordinated gold (Au) atoms in the MB aqueous solution, which might have boosted the adsorption of the MB on the surface of particles and accelerated the degradation phenomenon. The proposed photocatalytic degradation mechanism of AuNPs for MB was also explained. The highly photoactive EGL mediated AuNPs with controllable morphology and size could be an advance step in future in chemical and biomedical applications.
Subject headings and genre
- NATURVETENSKAP Kemi hsv//swe
- NATURAL SCIENCES Chemical Sciences hsv//eng
- guineensis leaves
- Gold nanoparticles
- Photocatalytic degradation
- Reaction conditions
- Controllable size and morphology
- Kemi
- Chemistry
Added entries (persons, corporate bodies, meetings, titles ...)
- Bustam, Mohamad AzmiUniversiti Teknologi PETRONAS, MYS (author)
- Zulfiqar, MuhammadUniversiti Teknologi PETRONAS, MYS (author)
- Moniruzzaman, MuhammadUniversiti Teknologi PETRONAS, MYS (author)
- Idris, AlaminUniversiti Teknologi PETRONAS, MYS(Swepub:kau)alamabdu (author)
- Iqbal, JibranZayed University, ARE (author)
- Asghar, Hafiz Muhammad AnwaarUniversity of the Punjab, PAK (author)
- Ullah, SamiKing Khalid University, SAU (author)
- Universiti Teknologi PETRONAS, MYSZayed University, ARE (creator_code:org_t)
Related titles
- In:Journal of Photochemistry and Photobiology A: Elsevier392, s. 1-111010-60301873-2666
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