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Celso de Mello Donega focuses on the chemistry of optoelectronic properties of colloidal nanocrystals and heteronanocrystals. Colloidal nanocrystals (NCs), which are solution-grown inorganic-organic hybrid nanomaterials, consist of inorganic particles coated with a layer of organic ligand molecules. The hybrid nature of these nanostructures provides great flexibility in engineering their properties. The nanoscale dimensions of NCs give rise to remarkable size- and shape-dependent properties, which can be further engineered by controlling their composition. Moreover, the organic layer opens up the possibility for surface chemistry manipulation, making it possible to tailor various properties. These features make colloidal NCs promising materials for a number of applications, including optoelectronics, photonics, spintronics, catalysis, solar energy conversion, thermoelectrics, and sensors for biomedical applications. De Mello Donega has successfully developed new preparation methods for colloidal quantum dots (QDs) and heteronanocrystals (HNCs), leading to improved and novel optoelectronic properties. The availability of high-quality QDs and HNCs has allowed the group to unravel new physical phenomena, contributing significantly to the understanding of the chemistry and physics of nanoscale materials.
Debye Institute • Utrecht
Research and teaching in the field of nanomaterials science with a focus on optoelectronic properties of colloidal nanocrystals.
Department of Psychology