Comparison between preparative methodologies of nanostructured carbon nitride and their use as selective photocatalysts in water suspension

Leonardo Palmisano, Elisa Isabel Garcia Lopez, Giuseppe Marci', Aziz Habibi-Yangjeh, Anise Akhundi

Risultato della ricerca: Articlepeer review

23 Citazioni (Scopus)

Abstract

Carbon nitride photocatalysts have been prepared by different methodologies, such as chemical ultrasonic irradiation (sonochemical treatment), hydrothermal and ball milling and thermoexfoliation, and have been used for the selective oxidation of 5-hydroxymethyl-2-furaldehyde (HMF) to form 2,5-furandicarboxyaldehyde (FDC) in water suspension both under UV and natural solar irradiation. The physico-chemical features of the photocatalysts have been studied by X-ray diffraction, infrared spectroscopy, UVâVis diffuse reflectance spectroscopy, photoluminescence spectroscopy, scanning electron microscopy, and specific surface area measurements. The results indicate that exfoliation of carbon nitrides can increase the conversion of HMF and the selectivity to FDC. In particular, samples exfoliated by both thermal and acidic ultrasonic irradiation treatments showed the best photocatalytic performance.
Lingua originaleEnglish
pagine (da-a)5153-5168
Numero di pagine16
RivistaResearch on Chemical Intermediates
Volume43
Stato di pubblicazionePublished - 2017

All Science Journal Classification (ASJC) codes

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