Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals
Abstract
Disclosed are inorganic nanoparticles comprising a body comprising cadmium and/or zinc crystallized with selenium, sulfur, and/or tellurium; a multiplicity of phosphonic acid ligands comprising at least about 20% of the total surface ligand coverage; wherein the nanocrystal is capable of absorbing energy from a first electromagnetic region and capable of emitting light in a second electromagnetic region, wherein the maximum absorbance wavelength of the first electromagnetic region is different from the maximum emission wavelength of the second electromagnetic region, thereby providing a Stokes shift of at least about 20 nm, wherein the second electromagnetic region comprises an at least about 100 nm wide band of wavelengths, and wherein the nanoparticle exhibits has a quantum yield of at least about 10%. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
- Inventors:
- Issue Date:
- Research Org.:
- Vanderbilt Univ., Nashville, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1149692
- Patent Number(s):
- 8784698
- Application Number:
- 13/115,001
- Assignee:
- Vanderbilt University (Nashville, TN)
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
- DOE Contract Number:
- FG02-02ER45957
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2011 May 24
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Schreuder, Michael A., McBride, James R., and Rosenthal, Sandra J. Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals. United States: N. p., 2014.
Web.
Schreuder, Michael A., McBride, James R., & Rosenthal, Sandra J. Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals. United States.
Schreuder, Michael A., McBride, James R., and Rosenthal, Sandra J. Tue .
"Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals". United States. https://www.osti.gov/servlets/purl/1149692.
@article{osti_1149692,
title = {Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals},
author = {Schreuder, Michael A. and McBride, James R. and Rosenthal, Sandra J.},
abstractNote = {Disclosed are inorganic nanoparticles comprising a body comprising cadmium and/or zinc crystallized with selenium, sulfur, and/or tellurium; a multiplicity of phosphonic acid ligands comprising at least about 20% of the total surface ligand coverage; wherein the nanocrystal is capable of absorbing energy from a first electromagnetic region and capable of emitting light in a second electromagnetic region, wherein the maximum absorbance wavelength of the first electromagnetic region is different from the maximum emission wavelength of the second electromagnetic region, thereby providing a Stokes shift of at least about 20 nm, wherein the second electromagnetic region comprises an at least about 100 nm wide band of wavelengths, and wherein the nanoparticle exhibits has a quantum yield of at least about 10%. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {7}
}
Works referenced in this record:
Synthesis of multi-shell nanocrystals by a single step coating process
journal, July 2006
- Jun, Shinae; Jang, Eunjoo; Lim, Jung Eun
- Nanotechnology, Vol. 17, Issue 15