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Title: Photon upconversion with hot carriers in plasmonic systems

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4932127· OSTI ID:1370711
 [1];  [1]
  1. Stanford Univ., CA (United States). Materials Science and Engineering

In this paper, we propose a scheme of photon upconversion based on harnessing the energy of plasmonic hot carriers. Low-energy photons excite hot electrons and hot holes in a plasmonic nanoparticle, which are then injected into an adjacent semiconductor quantum well where they radiatively recombine to emit a photon of higher energy. We theoretically study the proposed upconversion scheme using Fermi-liquid theory and determine the internal quantum efficiency of upconversion to be as high as 25% in 5 nm silver nanocubes. This upconversion scheme is linear in its operation, does not require coherent illumination, offers spectral tunability, and is more efficient than conventional upconverters.

Research Organization:
Energy Frontier Research Centers (EFRC), Washington D.C. (United States). Light-Material Interactions in Energy Conversion (LMI)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001293
OSTI ID:
1370711
Alternate ID(s):
OSTI ID: 1229686
Journal Information:
Applied Physics Letters, Vol. 107, Issue 13; Related Information: LMI partners with California Institute of Technology (lead); Harvard University; University of Illinois, Urbana-Champaign; Lawrence Berkeley National Laboratory; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 30 works
Citation information provided by
Web of Science

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Cited By (7)

“Hot” electrons in metallic nanostructures—non-thermal carriers or heating? journal October 2019
Plasmon-induced charge separation: chemistry and wide applications journal January 2017
Assistance of metal nanoparticles in photocatalysis – nothing more than a classical heat source journal January 2019
Plasmonic hole ejection involved in plasmon-induced charge separation journal January 2020
Losses in plasmonics: from mitigating energy dissipation to embracing loss-enabled functionalities journal January 2017
Losses in plasmonics: from mitigating energy dissipation to embracing loss-enabled functionalities text January 2018
Photodetection Characteristics of Gold Coated AFM Tips and n-Silicon Substrate nano-Schottky Interfaces journal September 2019