Search Results - "Vanmaekelbergh, Daniel"
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Highly Emissive Divalent-Ion-Doped Colloidal CsPb1-xMxBr3 Perovskite Nanocrystals through Cation Exchange
Published in Journal of the American Chemical Society (22-03-2017)“…Colloidal CsPbX3 (X = Br, Cl, and I) perovskite nanocrystals (NCs) have emerged as promising phosphors and solar cell materials due to their remarkable…”
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Experimental realization and characterization of an electronic Lieb lattice
Published in Nature physics (01-07-2017)“…Individual carbon monoxide molecules on a copper surface can be manipulated with scanning tunnelling microscopy to realize an electronic Lieb lattice…”
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Oriented Attachment: From Natural Crystal Growth to a Materials Engineering Tool
Published in Accounts of chemical research (16-02-2021)“…Conspectus Intuitively, chemists see crystals grow atom-by-atom or molecule-by-molecule, very much like a mason builds a wall, brick by brick. It is much more…”
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In situ study of the formation mechanism of two-dimensional superlattices from PbSe nanocrystals
Published in Nature materials (01-12-2016)“…A real-time study of the growth of two-dimensional nanocrystal superlattices with square periodicity shows the formation mechanism leading to the oriented…”
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Cation Exchange and Spontaneous Crystal Repair Resulting in Ultrathin, Planar CdS Nanosheets
Published in Chemistry of materials (10-10-2023)“…Cation exchange has become a major postsynthetic tool to obtain nanocrystals with a combination of stoichiometry, size, and shape that is challenging to…”
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Electronic Coupling and Exciton Energy Transfer in CdTe Quantum-Dot Molecules
Published in Journal of the American Chemical Society (16-08-2006)“…Stable dispersions of molecularlike aggregates of CdTe quantum dots are prepared by chemical cross-linking. Cryo-TEM images confirm the presence of…”
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Physicochemical Evaluation of the Hot-Injection Method, a Synthesis Route for Monodisperse Nanocrystals
Published in Small (Weinheim an der Bergstrasse, Germany) (01-12-2005)“…The quintessence of the hot‐injection method, a synthesis route for monodisperse, highly luminescent semiconductor nanocrystals, is reviewed. The separate…”
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8
High charge mobility in two-dimensional percolative networks of PbSe quantum dots connected by atomic bonds
Published in Nature communications (24-09-2015)“…Two-dimensional networks of quantum dots connected by atomic bonds have an electronic structure that is distinct from that of arrays of quantum dots coupled by…”
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Crystallization of Nanocrystals in Spherical Confinement Probed by in Situ X‑ray Scattering
Published in Nano letters (13-06-2018)“…We studied the formation of supraparticles from nanocrystals confined in slowly evaporating oil droplets in an oil-in-water emulsion. The nanocrystals consist…”
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10
Entropy-Driven Formation of Binary Semiconductor-Nanocrystal Superlattices
Published in Nano letters (13-10-2010)“…One of the main reasons for the current interest in colloidal nanocrystals is their propensity to form superlattices, systems in which (different) nanocrystals…”
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Interfacial Self-Assembly and Oriented Attachment in the Family of PbX (X = S, Se, Te) Nanocrystals
Published in Journal of physical chemistry. C (14-06-2018)“…The realization of materials with new optoelectronic properties draws much scientific attention toward the field of nanocrystal superstructures…”
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Mono- and Multilayer Silicene-Type Honeycomb Lattices by Oriented Attachment of PbSe Nanocrystals: Synthesis, Structural Characterization, and Analysis of the Disorder
Published in Chemistry of materials (24-07-2018)“…Nanocrystal (NC) solids are commonly prepared from nonpolar organic NC suspensions. In many cases, the capping on the NC surface is preserved and forms a…”
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13
On the Incorporation Mechanism of Hydrophobic Quantum Dots in Silica Spheres by a Reverse Microemulsion Method
Published in Chemistry of materials (08-04-2008)“…In this work, we show strong experimental evidence in favor of a proposed incorporation mechanism of hydrophobic semiconductor nanocrystals (or quantum dots,…”
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14
Observation of a Ternary Nanocrystal Superlattice and Its Structural Characterization by Electron Tomography
Published in Angewandte Chemie (International ed.) (14-12-2009)“…Three's company: The first genuine ternary colloidal crystal (see picture) is composed of PbSe nanocrystals of two different diameters (blue and green) and of…”
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Spontaneous Assembly of a Monolayer of Charged Gold Nanocrystals at the Water/Oil Interface
Published in Angewandte Chemie International Edition (16-01-2004)“…Charge control as a tool for assembly: Dense layers of individual, charged nanocrystals are formed at the aqueous/organic interface upon a slight reduction of…”
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16
Bending and buckling of narrow armchair graphene nanoribbons via STM manipulation
Published in New journal of physics (12-05-2015)“…Semiconducting graphene nanoribbons (GNRs) are envisioned to play an important role in future electronics. This requires the GNRs to be placed on a surface…”
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Efficient Steplike Carrier Multiplication in Percolative Networks of Epitaxially Connected PbSe Nanocrystals
Published in ACS nano (23-01-2018)“…Carrier multiplication (CM) is a process in which a single photon excites two or more electrons. CM is of interest to enhance the efficiency of a solar cell…”
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18
Femtosecond Cooling of Hot Electrons in CdSe Quantum-Well Platelets
Published in Nano letters (08-04-2015)“…Semiconductor quantum wells are ubiquitous in high-performance optoelectronic devices such as solar cells and lasers. Understanding and controlling of the…”
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Two-Photon Photoemission Study of Competing Auger and Surface-Mediated Relaxation of Hot Electrons in CdSe Quantum Dot Solids
Published in Nano letters (10-04-2013)“…Solids composed of colloidal quantum dots hold promise for third generation highly efficient thin-film photovoltaic cells. The presence of well-separated…”
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Electrochemical Charging of CdSe Quantum Dot Films: Dependence on Void Size and Counterion Proximity
Published in ACS nano (26-03-2013)“…Films of colloidal quantum dots (QDs) show great promise for application in optoelectronic devices. Great advances have been made in recent years in designing…”
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