Journal of the American Chemical Society, volume 128, issue 11, pages 3516-3517

Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations.

Erich Kaufmann 1
Dietmar Pachinger 1
Jürgen Roither 1
Martin C. E. Huber 1
Julian Stangl 1
Günter Hesser 1
Friedrich Schäffler 1
Wolfgang Heiss 1
1
 
Institute of Semiconductor and Solid State Physics, Johannes Kepler University, Linz A-4040 Linz, Austria
Publication typeJournal Article
Publication date2006-02-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
A convenient, aqueous-based synthesis of stable HgTe nanocrystals with widely size-tunable room temperature emission between wavelengths of 1.2 to 3.7 mum is demonstrated. By the choice of the thiols, applied as stabilizers, we optimized the growth dynamics, the luminescence quantum yields (up to 40%), and a ligand-exchange procedure, required to transfer the nanocrystals from water to nonpolar organic solvents. The latter is greatly improved and facilitated by the use of mercaptoethylamine as initial stabilizer. The possibility to tune the HgTe nanocrystal sizes from 3 to 12 nm and to control their surface functionalities (hydrophobic and hydrophilic) makes them very promising for the development of infrared optical devices, emitting in the wavelength region between the telecommunications and the molecular vibrations.

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Kovalenko M. V. et al. Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations. // Journal of the American Chemical Society. 2006. Vol. 128. No. 11. pp. 3516-3517.
GOST all authors (up to 50) Copy
Kovalenko M. V., Kaufmann E., Pachinger D., Roither J., Huber M. C. E., Stangl J., Hesser G., Schäffler F., Heiss W. Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations. // Journal of the American Chemical Society. 2006. Vol. 128. No. 11. pp. 3516-3517.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/ja058440j
UR - https://doi.org/10.1021/ja058440j
TI - Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations.
T2 - Journal of the American Chemical Society
AU - Kaufmann, Erich
AU - Pachinger, Dietmar
AU - Roither, Jürgen
AU - Stangl, Julian
AU - Hesser, Günter
AU - Schäffler, Friedrich
AU - Kovalenko, Maksym V.
AU - Huber, Martin C. E.
AU - Heiss, Wolfgang
PY - 2006
DA - 2006/02/22 00:00:00
PB - American Chemical Society (ACS)
SP - 3516-3517
IS - 11
VL - 128
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
Cite this
BibTex Copy
@article{2006_Kovalenko,
author = {Erich Kaufmann and Dietmar Pachinger and Jürgen Roither and Julian Stangl and Günter Hesser and Friedrich Schäffler and Maksym V. Kovalenko and Martin C. E. Huber and Wolfgang Heiss},
title = {Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations.},
journal = {Journal of the American Chemical Society},
year = {2006},
volume = {128},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/ja058440j},
number = {11},
pages = {3516--3517},
doi = {10.1021/ja058440j}
}
MLA
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MLA Copy
Kovalenko, Maksym V., et al. “Colloidal HgTe nanocrystals with widely tunable narrow band gap energies: from telecommunications to molecular vibrations..” Journal of the American Chemical Society, vol. 128, no. 11, Feb. 2006, pp. 3516-3517. https://doi.org/10.1021/ja058440j.
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