Extraordinary sensitizing effect of co-doped carbon nanodots derived from mate herb: application to enhanced photocatalytic degradation of chlorinated wastewater compounds under visible light

Ortega-Liebana, M. Carmen (Universidad de Zaragoza) ; Hueso, José L. ; Ferdousi, Shammi ; Arenal, Raul (Universidad de Zaragoza) ; Irusta, Silvia (Universidad de Zaragoza) ; Yeung, King L. ; Santamaria, Jesus (Universidad de Zaragoza)

Resumen: tThe present work investigates the role of two types of carbon nanodots (CNDs) as novel sensitizers of TiO2to create a visible-light driven photo-catalyst that is not only efficient for solar-driven pollution abate-ment, but also inexpensive, durable and environmentally-friendly. Two widely available green organicprecursors, the Argentinean herb Mate and the Stevia plant have been selected as the carbogenic sourceto thermally induce the formation of different types of CNDs with different levels of N and P doping andtunable photoluminescence response in the UV–vis-near infrared (NIR) ranges. These CNDs have beensuccessfully assembled with TiO2to form heterogeneous photocatalysts that are highly active in thevisible-light and NIR- driven photodegradation of 2,4-dichlorophenol (2,4-DCP), a persistent chlorinatedorganic compound present in numerous pesticide formulations.

Idioma: Inglés

DOI: 10.1016/j.apcatb.2017.06.021

Año: 2017

Publicado en: APPLIED CATALYSIS B-ENVIRONMENTAL 218 (2017), 68-79
ISSN: 0926-3373

Factor impacto JCR: 11.698 (2017)

Categ. JCR: CHEMISTRY, PHYSICAL rank: 12 / 146 = 0.082 (2017) - Q1 - T1
Categ. JCR: ENGINEERING, ENVIRONMENTAL rank: 1 / 50 = 0.02 (2017) - Q1 - T1
Categ. JCR: ENGINEERING, CHEMICAL rank: 3 / 137 = 0.022 (2017) - Q1 - T1

Factor impacto SCIMAGO: 3.152 - Catalysis (Q1) - Process Chemistry and Technology (Q1) - Environmental Science (miscellaneous) (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/E26
Financiación: info:eu-repo/grantAgreement/EUR/ERC/HECTOR-267626
Financiación: info:eu-repo/grantAgreement/EC/FP7/294094/EU/Synthesis and characterization of NANOstructured materials with LumInescent properties for diaGnostic and tHerapeuTic applications/NANOLIGHT
Financiación: info:eu-repo/grantAgreement/EC/FP7/312483/EU/Enabling Science and Technology through European Electron Microscopy/ESTEEM 2
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2016-79776-P

Tipo y forma: Artículo (PostPrint)

Área (Departamento): Área Ingeniería Química (Dpto. Ing.Quím.Tecnol.Med.Amb.)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)