Photon upconversion with hot carriers in plasmonic systems
- 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
Cited by: 30 works
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