Photovoltaics with Piezoelectric Core-Shell Nanowires
(2010) In Nano Letters 10(4). p.1108-1112- Abstract
- We report on a theoretical discovery of a generic piezoelectric held in strained core shell compound semiconductor nanowires. We show, using both an analytical model and numerical simulations based on fully electroelastically coupled continuum elasticity theory, that lattice-mismatch-induced strain in an epiraxial core shell nanowire gives rise to an internal electric held along the axis of the nanowire. This piezoelectric field results predominantly from atomic layer displacements along the nanowire axis within both the core and shell materials and can appear in both zinc blende and wurtzite crystalline core-shell nanowires. The effect can be employed to separate photon-generated electron hole pairs in the core shell nanowires and thus... (More)
- We report on a theoretical discovery of a generic piezoelectric held in strained core shell compound semiconductor nanowires. We show, using both an analytical model and numerical simulations based on fully electroelastically coupled continuum elasticity theory, that lattice-mismatch-induced strain in an epiraxial core shell nanowire gives rise to an internal electric held along the axis of the nanowire. This piezoelectric field results predominantly from atomic layer displacements along the nanowire axis within both the core and shell materials and can appear in both zinc blende and wurtzite crystalline core-shell nanowires. The effect can be employed to separate photon-generated electron hole pairs in the core shell nanowires and thus offers a new device concept for solar energy conversion. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1603659
- author
- Boxberg, Fredrik LU ; Søndergaard, Niels LU and Xu, Hongqi LU
- organization
- publishing date
- 2010
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- photovoltaic, Semiconductor nanowires, piezoelectric, core-shell, strain
- in
- Nano Letters
- volume
- 10
- issue
- 4
- pages
- 1108 - 1112
- publisher
- The American Chemical Society (ACS)
- external identifiers
-
- wos:000276557100002
- scopus:77951047226
- ISSN
- 1530-6992
- DOI
- 10.1021/nl9040934
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Mathematical Physics (Faculty of Technology) (011040002), Solid State Physics (011013006)
- id
- 171280e9-12fa-40eb-9ca2-32a0efed86e5 (old id 1603659)
- date added to LUP
- 2016-04-01 13:33:38
- date last changed
- 2023-09-03 01:27:00
@article{171280e9-12fa-40eb-9ca2-32a0efed86e5,
abstract = {{We report on a theoretical discovery of a generic piezoelectric held in strained core shell compound semiconductor nanowires. We show, using both an analytical model and numerical simulations based on fully electroelastically coupled continuum elasticity theory, that lattice-mismatch-induced strain in an epiraxial core shell nanowire gives rise to an internal electric held along the axis of the nanowire. This piezoelectric field results predominantly from atomic layer displacements along the nanowire axis within both the core and shell materials and can appear in both zinc blende and wurtzite crystalline core-shell nanowires. The effect can be employed to separate photon-generated electron hole pairs in the core shell nanowires and thus offers a new device concept for solar energy conversion.}},
author = {{Boxberg, Fredrik and Søndergaard, Niels and Xu, Hongqi}},
issn = {{1530-6992}},
keywords = {{photovoltaic; Semiconductor nanowires; piezoelectric; core-shell; strain}},
language = {{eng}},
number = {{4}},
pages = {{1108--1112}},
publisher = {{The American Chemical Society (ACS)}},
series = {{Nano Letters}},
title = {{Photovoltaics with Piezoelectric Core-Shell Nanowires}},
url = {{http://dx.doi.org/10.1021/nl9040934}},
doi = {{10.1021/nl9040934}},
volume = {{10}},
year = {{2010}},
}