Coherent exciton delocalization in strongly coupled quantum dot arrays

RW Crisp, JN Schrauben, MC Beard, JM Luther… - Nano …, 2013 - ACS Publications
dots (QDs) coupled into disordered arrays have exhibited the intriguing property of bulk-like
transport while maintaining discrete excitonic … , we find that excitons coherently delocalize to …

Third generation photovoltaics based on multiple exciton generation in quantum confined semiconductors

MC Beard, JM Luther, OE Semonin… - Accounts of chemical …, 2013 - ACS Publications
exciton generation (MEG) in quasi-spherical semiconductor nanocrystals or quantum dots
(… generally termed the first exciton state (and defined as the bandgap), where excitons are e–…

Enhanced multiple exciton generation in PbS| CdS janus-like heterostructured nanocrystals

DM Kroupa, GF Pach, M Vörös, F Giberti… - ACS …, 2018 - ACS Publications
… and a reduction of the competing hot exciton cooling rate. Slowed … are maintained in conductive
arrays and demonstrate that … rules for the next generation of engineered nanocrystals to …

Quantum Dots and Quantum Dot Arrays: Synthesis, Optical Properties, Photogenerated Carrier Dynamics, Multiple Exciton Generation, and Applications to Solar …

AJ Nozik, OI Mićić - Nanocrystal Quantum Dots, 2017 - taylorfrancis.com
… that show they can produce multiple excitons from single photons of … arrays in novel photon
conversion devices are discussed, such as QD solar cells, where multiple exciton generation

Towards quantum-dot arrays of entangled photon emitters

G Juska, V Dimastrodonato, LO Mereni… - Nature …, 2013 - nature.com
… of a quantum dot. Exciton, biexciton and generic charged exciton transitions are identified as
X, … e, Integrated intensity of the exciton transition as a function of polarization angle showing …

Multiple exciton generation in films of electronically coupled PbSe quantum dots

JM Luther, MC Beard, Q Song, M Law, RJ Ellingson… - Nano Letters, 2007 - ACS Publications
We study multiple exciton generation (MEG) in electronically coupled films of PbSe quantum
dots (QDs) employing ultrafast time-resolved transient absorption spectroscopy. We …

Multiple exciton generation in quantum dots versus singlet fission in molecular chromophores for solar photon conversion

MC Beard, JC Johnson… - … Transactions of the …, 2015 - royalsocietypublishing.org
… Conservation of Energy and the process is called multiple exciton generation (MEG) [2–5]. …
dots and quantum dot arrays and applications of multiple exciton generation to 3rd generation

Multiple exciton generation and recombination in carbon nanotubes and nanocrystals

Y Kanemitsu - Accounts of Chemical Research, 2013 - ACS Publications
… interactions and complicated exciton structures affect the quantized Auger rate and the
multiple exciton generation efficiency. Interestingly, in zero-dimensional NC quantum dots, …

Efficient multiple exciton generation observed in colloidal PbSe quantum dots with temporally and spectrally resolved intraband excitation

M Ji, S Park, ST Connor, T Mokari, Y Cui… - Nano letters, 2009 - ACS Publications
excitons to quantify the exciton … of excitons per QD, the transient spectrum must be
spectrally integrated. With spectral integration, we observe efficient multiple exciton generation in …

Exciton multiplication from first principles

HM Jaeger, K Hyeon-Deuk… - Accounts of Chemical …, 2013 - ACS Publications
… , irradiated semiconductor quantum dots exhibit efficient exciton multiplication, due to … is
slightly above twice the energy of the lowest exciton (E g ). Arrays of silicon QDs generate MEs at …