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Articles by Igor Fedin
Perovskite Solar Cells Enabled by the Synergy of Chlorine Additive and Scalable Rapid Photonic Annealing of Multiple Stacking Layers
Conflicts of Interest The authors declare no conflicts of interest. Supporting Information Filename Description pip70039-sup-0001-Supplementary.pdfPDF document, 1.2 MB Figure S1: Comparison in device performance between IR annealing and without IR treatment for MeO-2PACz passivation layer. Figure S2: RPA optimization of NP NiOx HTL, (a) J–V curves of the PSCs with 40% MACl and UVA sintering of NP NiOx layer at various UVA illumination periods, and (b) their relevant PCE statistics.
Acceleration of Near-IR Emission through Efficient Surface Passivation in Cd3P2 Quantum Dots
Open AccessCommunication by 1, 1, 2 and 1,* 1 Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA 2 Center for Nanoscale Materials, Argonne National Laboratory, 9700 S. Cass Ave, Lemont, IL 60439, USA * Author to whom correspondence should be addressed.
Colloidal Atomic Layer Deposition with Stationary Reactant Phases Enables Precise Synthesis of “Digital” II-VI Nano-heterostructures with Exquisite Control of Confinement and Strain | Journal of the American Chemical Society
In contrast to molecular systems, which are defined with atomic precision, nanomaterials generally show some heterogeneity in size, shape, and composition. The sample inhomogeneity translates into a distribution of energy levels, band gaps, work functions, and other characteristics, which detrimentally affect practically every property of functional nanomaterials.
Direct optical lithography of functional inorganic nanomaterials
Nanoscale patterning usually requires multiple steps to mask, pattern, and develop sequential layers. One overriding concern is to obtain compatibility between all the materials, as well as the patterning techniques used, to ensure accurate and clean processing. Wang et al. use light-responsive ligands to change the solubility of nanocrystals in specific solvents, so that development can be done by simple redispersion of nanocrystals in dark regions (see the Perspective by Striccoli).
A room temperature continuous-wave nanolaser using colloidal quantum wells
The gain material for our nanolaser is a thin film of colloidally synthesized CdS/CdSe/CdS nanoplatelets. These semiconductor nanoscale heterostructures confine carriers quantum-mechanically in one dimension, and are thus the colloidal analogue of epitaxially grown quantum wells31.
Colloidal CdSe Quantum Rings
Semiconductor quantum rings are of great fundamental interest because their non-trivial topology creates novel physical properties. At the same time, toroidal topology is difficult to achieve for colloidal nanocrystals and epitaxially grown semiconductor nanostructures. In this work, we introduce the synthesis of luminescent colloidal CdSe nanorings and nanostructures with double and triple toroidal topology.
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