Chemical Physics Letters, volume 117, issue 5, pages 485-488
Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆
1
Hahn-Meitner-Institut für Kernforschung Berlin, D-1000 Berlin 39, Federal Republic of Germany
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Publication type: Journal Article
Publication date: 1985-06-01
Journal:
Chemical Physics Letters
Q2
Q1
SJR: 0.502
CiteScore: 5.7
Impact factor: 2.8
ISSN: 00092614, 18734448
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Extremely small particles of Zn 3 P 2 and Cd 3 P 2 were prepared as colloids in aqueous solution and in the solid state. The onset of absorption and the fluorescence band, which lie in the infrared for the macrocrystalline materials, can be shifted through the whole range of the visible by changing the particle size. Fluorescence quantum yields of 15% were obtained. The optical effects are due to the strong perturbations in the electronic energy levels as a consequence of carrier confinement (Q-type materials). The solid particles, which fluoresce strongly, can be redissolved without changes in size. Methylviologen quenches the fluorescence and promotes the photoanodic dissolution.
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Weller H., Fojtik A., Henglein A. Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆ // Chemical Physics Letters. 1985. Vol. 117. No. 5. pp. 485-488.
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Weller H., Fojtik A., Henglein A. Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆ // Chemical Physics Letters. 1985. Vol. 117. No. 5. pp. 485-488.
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TY - JOUR
DO - 10.1016/0009-2614(85)80287-6
UR - https://doi.org/10.1016/0009-2614(85)80287-6
TI - Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆
T2 - Chemical Physics Letters
AU - Weller, H.
AU - Fojtik, A
AU - Henglein, A.
PY - 1985
DA - 1985/06/01
PB - Elsevier
SP - 485-488
IS - 5
VL - 117
SN - 0009-2614
SN - 1873-4448
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{1985_Weller,
author = {H. Weller and A Fojtik and A. Henglein},
title = {Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆},
journal = {Chemical Physics Letters},
year = {1985},
volume = {117},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/0009-2614(85)80287-6},
number = {5},
pages = {485--488},
doi = {10.1016/0009-2614(85)80287-6}
}
Cite this
MLA
Copy
Weller, H., et al. “Photochemistry of semiconductor colloids: Properties of extremely small particles of Cd3P2 and Zn3P2☆.” Chemical Physics Letters, vol. 117, no. 5, Jun. 1985, pp. 485-488. https://doi.org/10.1016/0009-2614(85)80287-6.