Origin and control of blinking in quantum dots

AL Efros, DJ Nesbitt - Nature nanotechnology, 2016 - nature.com
Semiconductor nanocrystals offer an enormous diversity of potential device applications,
based on their size-tunable photoluminescence, high optical stability and'bottom …

Upconverting nanoparticles: a versatile platform for wide-field two-photon microscopy and multi-modal in vivo imaging

YI Park, KT Lee, YD Suh, T Hyeon - Chemical Society Reviews, 2015 - pubs.rsc.org
Lanthanide-doped upconverting nanoparticles (UCNPs) have recently attracted enormous
attention in the field of biological imaging owing to their unique optical properties:(1) efficient …

Two mechanisms determine quantum dot blinking

G Yuan, DE Gómez, N Kirkwood, K Boldt, P Mulvaney - ACS nano, 2018 - ACS Publications
Many potential applications of quantum dots (QDs) can only be realized once the
luminescence from single nanocrystals (NCs) is understood. These applications include the …

Nonblinking and nonbleaching upconverting nanoparticles as an optical imaging nanoprobe and T1 magnetic resonance imaging contrast agent

YI Park, JH Kim, KT Lee, KS Jeon, HB Na… - Advanced …, 2009 - Wiley Online Library
Nanoparticles have been extensively studied for their unique size-dependent electronic,
optical, and magnetic properties and their potential applications as probes in biomedical …

Semiconductor quantum dots and metal nanoparticles: syntheses, optical properties, and biological applications

V Biju, T Itoh, A Anas, A Sujith, M Ishikawa - Analytical and bioanalytical …, 2008 - Springer
We review the syntheses, optical properties, and biological applications of cadmium
selenide (CdSe) and cadmium selenide–zinc sulfide (CdSe–ZnS) quantum dots (QDs) and …

Universal emission intermittency in quantum dots, nanorods and nanowires

P Frantsuzov, M Kuno, B Janko, RA Marcus - Nature Physics, 2008 - nature.com
Virtually all known fluorophores exhibit mysterious episodes of emission intermittency. A
remarkable feature of the phenomenon is a power-law distribution of on-and off-times …

Second harmonic generating (SHG) nanoprobes for in vivo imaging

P Pantazis, J Maloney, D Wu… - Proceedings of the …, 2010 - National Acad Sciences
Fluorescence microscopy has profoundly changed cell and molecular biology studies by
permitting tagged gene products to be followed as they function and interact. The ability of a …

Quantitative modeling of the role of surface traps in CdSe/CdS/ZnS nanocrystal photoluminescence decay dynamics

M Jones, SS Lo, GD Scholes - Proceedings of the National …, 2009 - National Acad Sciences
Charge carrier trapping is an important phenomenon in nanocrystal (NC) decay dynamics
because it reduces photoluminescence (PL) quantum efficiencies and obscures efforts to …

Cyto-toxicity, biocompatibility and cellular response of carbon dots–plasmonic based nano-hybrids for bioimaging

AN Emam, SA Loutfy, AA Mostafa, H Awad… - RSC …, 2017 - pubs.rsc.org
In this study, hybrid carbon dots–plasmonic nanostructures including carbon dots/
polyethyleneimine/gold (C-dots/PEI/Au), and carbon dots/polyethyleneimine/silver (C …

Delayed exciton emission and its relation to blinking in CdSe quantum dots

FT Rabouw, M Kamp, RJA van Dijk-Moes… - Nano …, 2015 - ACS Publications
The efficiency and stability of emission from semiconductor nanocrystal quantum dots (QDs)
is negatively affected by “blinking” on the single-nanocrystal level, that is, random alternation …