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Title: Free electron-driven photophysics in n-type doped silicon nanocrystals

Abstract

By making use of multiple spectroscopic techniques we provide a comprehensive understanding of the photophysics of n-type doped Si nanocrystals.

Authors:
ORCiD logo [1]; ORCiD logo [1]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Renewable Energy Laboratory (NREL), Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1458906
Alternate Identifier(s):
OSTI ID: 1454634
Report Number(s):
NREL/JA-5900-71012
Journal ID: ISSN 2040-3364; NANOHL
Grant/Contract Number:  
AC36-08GO28308; AC36-08G028308
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nanoscale
Additional Journal Information:
Journal Volume: 10; Journal Issue: 25; Journal ID: ISSN 2040-3364
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY; silicon nanocrystals; phosphorus doping; coulomb interactions; ultrafast spectroscopy

Citation Formats

Limpens, R., and Neale, N. R. Free electron-driven photophysics in n-type doped silicon nanocrystals. United States: N. p., 2018. Web. doi:10.1039/C8NR02173B.
Limpens, R., & Neale, N. R. Free electron-driven photophysics in n-type doped silicon nanocrystals. United States. https://doi.org/10.1039/C8NR02173B
Limpens, R., and Neale, N. R. 2018. "Free electron-driven photophysics in n-type doped silicon nanocrystals". United States. https://doi.org/10.1039/C8NR02173B. https://www.osti.gov/servlets/purl/1458906.
@article{osti_1458906,
title = {Free electron-driven photophysics in n-type doped silicon nanocrystals},
author = {Limpens, R. and Neale, N. R.},
abstractNote = {By making use of multiple spectroscopic techniques we provide a comprehensive understanding of the photophysics of n-type doped Si nanocrystals.},
doi = {10.1039/C8NR02173B},
url = {https://www.osti.gov/biblio/1458906}, journal = {Nanoscale},
issn = {2040-3364},
number = 25,
volume = 10,
place = {United States},
year = {Tue Jun 12 00:00:00 EDT 2018},
month = {Tue Jun 12 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Citation Metrics:
Cited by: 10 works
Citation information provided by
Web of Science

Figures / Tables:

Fig. 1 Fig. 1: Structural characterization of un-oxidized (a–c) and oxidized (d–e) P:Si–H. (a) FTIR spectra of all three P-concentrations. Log-normal fits of the LSPR modes are represented by the black dashed lines. (b) Main panel: XRD patterns of all three P-concentrations. The dashed line is a Voight fit. Inset: NC diametermore » (from XRD) as a function of the free carrier concentration, $$n$$fc (from FTIR). The red dashed line represents an exponential fit and functions as a guide to the eye. The error bars represent the fitting errors. (c) EDS spectra in which the integrated ratios display the elemental composition. (d) EPR measurements as a function of the applied magnetic field, before (green) and after complete oxidation of one week (black) for Si–H and P:Si–H. (e) FTIR spectra of (functionalized) medium doped P:Si–R, before (green) and after (black) oxidation.« less

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