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Rogach, Andrey
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Topics
Publications (15/15 displayed)
- 2024Red-Emitting CsPbI3 /ZnSe Colloidal Nanoheterostructures with Enhanced Optical Properties and Stabilitycitations
- 2024Near-infrared two-photon excited photoluminescence from Yb3+-doped CsPbClxBr3−x perovskite nanocrystals embedded into amphiphilic silica microspherescitations
- 2024Micrometer-Resolution Fluorescence and Lifetime Mappings of CsPbBr 3 Nanocrystal Films Coupled with a TiO 2 Grating
- 2023Exploring CsPbX<sub>3</sub> (X = Cl, Br, I) Perovskite Nanocrystals in Amorphous Oxide Glasses: Innovations in Fabrication and Applicationscitations
- 2021Composite Nanospheres Comprising Luminescent Carbon Dots Incorporated into a Polyhedral Oligomeric Silsesquioxane Matrixcitations
- 2021Room temperature fabrication of stable, strongly luminescent Dion–Jacobson tin bromide perovskite microcrystals achieved through use of primary alcoholscitations
- 2021Carbon Nanoparticles as Versatile Auxiliary Components of Perovskite-Based Optoelectronic Devicescitations
- 2020Tunable Mie Resonances of Tin-based Iodide Perovskite Islandlike Films with Enhanced Infrared Photoluminescencecitations
- 2020Influence of the solvent environment on luminescent centers within carbon dotscitations
- 2020Strongly Luminescent Composites Based on Carbon Dots Embedded in a Nanoporous Silicate Glasscitations
- 2020Stable Luminescent Composite Microspheres Based on Porous Silica with Embedded CsPbBr3 Perovskite Nanocrystalscitations
- 2019Synthesis and energy structure of optical transitions of the nitrogen and sulfur co-doped carbon dots
- 2019Using Polar Alcohols for the Direct Synthesis of Cesium Lead Halide Perovskite Nanorods with Anisotropic Emissioncitations
- 2018Influence of molecular fluorophores on the research field of chemically synthesized carbon dotscitations
- 2016Photo-Aligned Quantum Rod Dispersed Liquid Crystal Polymer Filmscitations
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article
Synthesis and energy structure of optical transitions of the nitrogen and sulfur co-doped carbon dots
Abstract
A green and efficient strategy was developed for one-step synthesis of sulfur and nitrogen co-doped carbon dots using urea, thiourea and thioacetamide as nitrogen and sulfur source and citric acid as carbon source. The influence of nitrogen and/or sulfur doping of the carbon dots on their optical transitions is investigated. The as synthesized carbon dots are demonstrated to possess redshifted photoluminescence with relatively high intensity. It is demonstrated that the presence of heteroatoms leads to the red shift of the photoluminescence band and increase of the crystalline phase inherent to amorphous carbon.