Aqueous based semiconductor nanocrystals
This review summarizes traditional and recent nonconventional, bioinspired, methods for the
aqueous synthesis of colloidal semiconductor quantum dots (QDs). The basic chemistry …
aqueous synthesis of colloidal semiconductor quantum dots (QDs). The basic chemistry …
Luminescence, plasmonic, and magnetic properties of doped semiconductor nanocrystals
Introducing a few atoms of impurities or dopants in semiconductor nanocrystals can
drastically alter the existing properties or even introduce new properties. For example, mid …
drastically alter the existing properties or even introduce new properties. For example, mid …
Redox reactions at colloidal semiconductor nanocrystal surfaces
The adaptation of colloidal semiconductor nanocrystals (NCs) in applications like displays,
photovoltaics, and photocatalysis relies primarily on the core electronic structure of NC …
photovoltaics, and photocatalysis relies primarily on the core electronic structure of NC …
Superposition principle in Auger recombination of charged and neutral multicarrier states in semiconductor quantum dots
Application of colloidal semiconductor quantum dots (QDs) in optical and optoelectronic
devices is often complicated by unintentional generation of extra charges, which opens fast …
devices is often complicated by unintentional generation of extra charges, which opens fast …
Density of trap states and Auger-mediated electron trap** in CdTe quantum-dot solids
Charge trap** is an ubiquitous process in colloidal quantum-dot solids and a major
limitation to the efficiency of quantum dot based devices such as solar cells, LEDs, and …
limitation to the efficiency of quantum dot based devices such as solar cells, LEDs, and …
Dynamic Formation of Metal-Based Traps in Photoexcited Colloidal Quantum Dots and Their Relevance for Photoluminescence
Trap states play a crucial role in the design of colloidal quantum dot (QD)-based
technologies. The presence of these in-gap states can either significantly limit the efficiency …
technologies. The presence of these in-gap states can either significantly limit the efficiency …
Surface State‐Mediated Charge Transfer of Cs2SnI6 and Its Application in Dye‐Sensitized Solar Cells
A vacancy‐ordered double perovskite, Cs2SnI6, has emerged as a promising lead‐free
perovskite in the optoelectronic field. However, the charge transfer kinetics mediated by its …
perovskite in the optoelectronic field. However, the charge transfer kinetics mediated by its …
Red‐tuned Mn d–d emission in doped semiconductor nanocrystals
N Pradhan - ChemPhysChem, 2016 - Wiley Online Library
Light‐emitting Mn‐doped semiconductor nanocrystals have been extensively studied for the
last three decades for their intense and stable Mn d–d emission. In principle, this emission …
last three decades for their intense and stable Mn d–d emission. In principle, this emission …
Electron-promoted X-type ligand displacement at CdSe quantum dot surfaces
CL Hartley, JL Dempsey - Nano Letters, 2019 - ACS Publications
Quantum dot surfaces are redox active and are known to influence the electronic properties
of nanocrystals, yet the molecular-level changes in surface chemistry that occur upon …
of nanocrystals, yet the molecular-level changes in surface chemistry that occur upon …
Selenium redox reactivity on colloidal CdSe quantum dot surfaces
Understanding the structural and compositional origins of midgap states in semiconductor
nanocrystals is a longstanding challenge in nanoscience. Here, we report a broad variety of …
nanocrystals is a longstanding challenge in nanoscience. Here, we report a broad variety of …