Plasmonic Zr-based metal-organic frameworks for accelerated de-colorization of methylene blue under LED light irradiation

Yıl 2019, Cilt: 47 Sayı: 4, 339 - 346, 01.12.2019

Kouroush Salimi

https://doi.org/10.15671/hjbc.618668

Öz

Well-defined
photocatalyst with 3D morphologies have attracted the attention of scientists
due to the more accessible reactive surfaces, easy to recover from reaction
medium, and low aggregation. Within this scope, photocatalysis based on
plasmonic metal-organic frameworks (MOFs) were synthesized and utilized as an
alternative reactive platform for visible-light degradation of methylene blue
(MB) under green LED irradiation for the first time. In order to reduce the
recombination between electron-hole pairs, a stable oxidant, namely sodium
persulfate (PS) was employed to accelerate the photocatalytic decolorization of
MB. These feasible strategies demonstrated that a bleaching degree of 91% (i.e., in the presence of PS) within 120
min was achieved compared to the bare Au@UiO-66@Pdop NPs (bleaching degree
31%). The obtained results from this study highlighted the superior properties
of the newly synthesized core-shell Au@UiO-66@Pdop photocatalysts and clearly
declared the great potential of the photo-responsive MOFs for organic pollutant
degradations as well.

Anahtar Kelimeler

Plasmonic MOFs, Visible LED light

Destekleyen Kurum

This study was partially supported by Ankara Yildirim Beyazit University Scietific Research Unit

Proje Numarası

Grant No. 4875 and 4736

Teşekkür

This study was partially supported by Ankara Yildirim Beyazit University Scietific Research Unit (Grant No. 4875 and 4736). I would like to thank Mustafa Yasir Aydin for his help with some of the measurements.

Kaynakça

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