The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
Size-dependent band gap of colloidal quantum dots
Abstract
The size-dependent band gap of semiconductor quantum dots is a well-known and widely studied quantum confinement effect. In order to understand the size-dependent band gap, different theoretical approaches have been adopted, including the effective-mass approximation with infinite or finite confinement potentials, the tight-binding method, the linear combination of atomic orbitals method, and the empirical pseudopotential method. In the present work we calculate the size-dependent band gap of colloidal quantum dots using a recently developed method that predicts accurately the eigenstates and eigenenergies of nanostructures by utilizing the adiabatic theorem of quantum mechanics. We have studied various semiconductor (CdS, CdSe, CdTe, PbSe, InP, and InAs) quantum dots in different matrices. The theoretical predictions are, in most cases, in good agreement with the corresponding experimental data. In addition, our results indicate that the height of the finite-depth well confining potential is independent of the specific semiconductor of the quantum dot and exclusively depends on the matrix energy-band gap by a simple linear relation.
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Cites
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Identification of atomic-like electronic states in indium arsenide nanocrystal quantum dots
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Cited by
The Evolution of Quantum Confinement in CsPbBr3 Perovskite Nanocrystals
Butkus, J., Vashishtha, P., Chen, K., Gallaher, J. K., Prasad, S. K. K., Metin, D. Z., Laufersky, G., Gaston, N., Halpert, J. E., & Hodgkiss, J. M. (2017) · Chemistry of Materials · doi:10.1021/acs.chemmater.7b00478 · Cited by 362
Metadata
- Authors
- Baskoutas, S., & Terzis, A. F.
- Venue
- Journal of Applied Physics
- Publisher
- AIP Publishing
- Published
- 2006-01-01
- Volume
- 99
- Issue
- 1
- ISSN
- 0021-8979 (ISSN-L)
- 1089-7550
- OpenAlex
- W2072988568
- Cited by
- 384
- References
- 17
- FWCI
- 6.29
- Type
- journal article
- Language
- en
- Open access
- closed
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