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Thermal Defect Modulation and Functional Performance: A Case Study on ZnO–rGO Nanocomposites
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0002-5145-1560
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0003-2935-1165
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Materialvetenskap.ORCID-id: 0000-0003-1785-7177
2019 (engelsk)Inngår i: Physica status solidi. B, Basic research, ISSN 0370-1972, E-ISSN 1521-3951, Vol. 256, nr 12, artikkel-id 1900239Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Herein, a reduced graphene oxide–zinc oxide (rGO–ZnO) hybrid nanocomposite (1 wt% rGO) is synthesized and heat treated at different temperatures, aimed at modulating the intrinsic bulk/surface defects naturally present in nano‐ZnO. The correlation of both the dispersion of rGO within the metal oxide scaffold and the defects present on the semiconductor crystalline lattice with the photocatalytic performance toward the degradation of a molecular dye in water is investigated and discussed. It is shown that several processes compete to determine the catalytic skill of the nanocomposite, which can be enhanced by a simple thermal treatment at moderate temperatures.

sted, utgiver, år, opplag, sider
John Wiley & Sons, 2019. Vol. 256, nr 12, artikkel-id 1900239
Emneord [en]
crystalline defects, hybrid nanocomposites, photocatalysis, photoluminescence, reduced graphene oxide, thermal treatment, zinc oxide
HSV kategori
Forskningsprogram
Experimentell fysik
Identifikatorer
URN: urn:nbn:se:ltu:diva-76877DOI: 10.1002/pssb.201900239ISI: 000495784800001Scopus ID: 2-s2.0-85075015324OAI: oai:DiVA.org:ltu-76877DiVA, id: diva2:1373425
Merknad

Validerad;2020;Nivå 2;2019-12-16 (johcin)

Tilgjengelig fra: 2019-11-27 Laget: 2019-11-27 Sist oppdatert: 2019-12-16bibliografisk kontrollert

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Landström, AntonSoldatov, AlexanderVomiero, AlbertoConcina, Isabella

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