M
Marco Califano
Researcher at University of Leeds
Publications - 66
Citations - 3211
Marco Califano is an academic researcher from University of Leeds. The author has contributed to research in topics: Quantum dot & Auger effect. The author has an hindex of 25, co-authored 61 publications receiving 2926 citations. Previous affiliations of Marco Califano include National Renewable Energy Laboratory & University of Manitoba.
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Size-dependent valence and conduction band-edge energies of semiconductor nanocrystals.
TL;DR: This work investigates the size-dependent valence and conduction band-edge energies of CdSe, CdTe, PbS, and PbSe semiconductor quantum dots (QDs) through the use of photoelectron spectroscopy in air (PESA).
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Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots
TL;DR: In this paper, the size-dependent optical absorption coefficients of CdSe nanocrystals at both the band-edge and high within the absorption profile were investigated by combining transmission electron microscopy and inductively coupled plasma−optical emission spectroscopy.
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Pseudopotential theory of Auger processes in CdSe quantum dots.
TL;DR: The results agree quantitatively with recent measurements and offer new predictions on the dependence of Auger electron cooling on size, on correlation effects, and on the presence of a spectator exciton.
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Auger-Assisted Electron Transfer from Photoexcited Semiconductor Quantum Dots
Haiming Zhu,Ye Yang,Kim Hyeon-Deuk,Kim Hyeon-Deuk,Marco Califano,Nianhui Song,Youwei Wang,Wenqing Zhang,Oleg V. Prezhdo,Tianquan Lian +9 more
TL;DR: An Auger-assisted electron transfer model is proposed in which the transfer of the electron can be coupled to the excitation of the hole, circumventing the unfavorable Franck-Condon overlap in the Marcus inverted regime.
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Temperature dependence of excitonic radiative decay in CdSe quantum dots: the role of surface hole traps.
TL;DR: It is suggested that surface states are the controlling factor of dark-exciton radiative recombination in currently synthesized colloidal CdSe nanocrystals.