Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Articles Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Investigations on the electronic properties and effect of chitosan capping on the structural and optical properties of zinc aluminate quantum dots Subject The topic of the resource Bandgap; Brus equation; Chitosan; Density functional theory; Microwave assisted solgel synthesis; Photoluminescence; Quantum confinement; Zinc aluminate Description An account of the resource Quantum confined uncapped and chitosan capped nanoparticles of ZnAl2O4 synthesized by microwave-assisted solgel method were investigated by structural analysis and optical techniques. X-ray diffraction studies confirmed the formation of cubic spinels with crystallite size 4.5 nm and 3.4 nm, respectively for uncapped and chitosan capped ZnAl2O4 nanoparticles. Chitosan capping produced a blue shift in bandgap energy (3.84 to 3.94 eV) agreeing with size effects according to the Brus equation. A blue shift in emission peak and enhancement in photoluminescence intensity was also observed upon chitosan capping. The electronic band structure and the density of states of the bulk spinel were also calculated using density functional theory. The effective masses of electrons and holes estimated based on the band structure were used to extract the excitonic Bohr radius. 2021 Elsevier B.V. Creator An entity primarily responsible for making the resource Varghese A.A.; Kuriakose E.; Jose J.; Aryal S.; Khanal R.; Anila E.I. Source A related resource from which the described resource is derived Applied Surface Science, Vol-579 Publisher An entity responsible for making the resource available Elsevier B.V. Date A point or period of time associated with an event in the lifecycle of the resource 2022-01-01 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1016/j.apsusc.2021.152162" target="_blank" rel="noreferrer noopener">https://doi.org/10.1016/j.apsusc.2021.152162</a> <br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85121209477&amp;doi=10.1016%2Fj.apsusc.2021.152162&amp;partnerID=40&amp;md5=93a5cc46eb77eeeb77ab4c786e507100" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85121209477&amp;doi=10.1016%2fj.apsusc.2021.152162&amp;partnerID=40&amp;md5=93a5cc46eb77eeeb77ab4c786e507100</a> Rights Information about rights held in and over the resource All Open Access; Bronze Open Access; Green Open Access Relation A related resource ISSN: 1694332; CODEN: ASUSE Format The file format, physical medium, or dimensions of the resource Online Language A language of the resource English Type The nature or genre of the resource Article Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Varghese A.A., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva, 683102, Kerala, India; Kuriakose E., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva, 683102, Kerala, India; Jose J., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva, 683102, Kerala, India; Aryal S., Department of Physics, Michigan Technological University, Houghton, 49931, MI, United States; Khanal R., Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, 37831, TN, United States; Anila E.I., Optoelectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva, 683102, Kerala, India, Department of Physics, CHRIST (Deemed to be University), Bengaluru, 560029, India