Synthesis and optical properties of MoS2 and isomorphous nanoclusters in the quantum confinement regime

Journal of Applied Physics

Volumn 81, Issue 12, 1997, Pages 7934-7944

  Wilcoxon, J P ^a   Newcomer, P P ^a   Samara, G A ^a  

^a SANDIA NATIONAL LABORATORIES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000311616     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.365367     Document Type: Article

References (18)

1. See A. D. Yoffe, Adv. Phys. 42, 173 (1993) and references therein for a recent review; also see a recent issue of Science, 271 (16 February, 1996) which devotes a section for several articles on nanoclusters.
2. See A. D. Yoffe, Adv. Phys. 42, 173 (1993) and references therein for a recent review; also see a recent issue of Science, 271 (16 February, 1996) which devotes a section for several articles on nanoclusters.
3. H. Tributsch, Z. Naturforsch. 32a, 972 (1977).
4. R. Coehoorn, C. Haas, J. Dijkstra, C. J. F. Flipse, R. A. deGroot, and A. Wold, Phys. Rev. B 35, 6195 (1987), 35, 6203 (1987).
5. R. Coehoorn, C. Haas, J. Dijkstra, C. J. F. Flipse, R. A. deGroot, and A. Wold, Phys. Rev. B 35, 6195 (1987), 35, 6203 (1987).
6. B. L. Evans, in Optical and Electrical Properties (of Materials with Layered Structures), edited by P. A. Lee (Reidel, Boston, 1976), Chap. 1, p. 1.
7. J. P. Wilcoxon and G. A. Samara, Phys. Rev. B 51, 7299 (1995).
8. J. P. Wilcoxon, DOE patent No. 5,147,841, (15 Sept. 1992).
9. 2 clusters.
10. J. A. Wilson and A. D. Yoffe, Adv. Phys. 18, 193 (1969).
11. R. F. Frindt and A. D. Yoffe, Proc. R. Soc. London, Ser. A 273, 69 (1963).
12. B. L. Evans and P. A. Young, Proc. R. Soc. London, Ser. A 284, 402 (1965).
13. A. M. Goldberg, A. R. Beal, F. A. Levy, and E. A. Davis, Philos. Mag. 32, 367 (1975).
14. 2 nanoclusters in solution. We use dynamic light scattering (DLS) to obtain this time. The calculated equivalent sphere size is typically slightly larger than found by TEM, [e.g., we find R (DLS)=3.2 nm for clusters which measure R = 2.8 nm by TEM] which argues that the thickness is roughly comparable to the cross-sectional dimension for the smaller clusters. For the larger R = 4.5 nm clusters the equivalent sphere size is actually slightly smaller [e.g., R (DLS) ∼4.0 nm] than the TEM cross-sectional area, which argues that their thickness is smaller than their cross-sectional TEM size. It is important to realize that for very small clusters with R<3 nm there is at least a 10% measurement uncertainty in determining R, so this is the largest source of uncertainty when comparing to theory.
15. F. Parsapour, D. F. Kelley, S. Craft, and J. P. Wilcoxon, J. Chem. Phys. 104, 1 (1996).
16. B. L. Evans and P. A. Young, Proc. Phys. Soc. London 91, 475 (1967).
17. F. Consadori and R. F. Frindt, Phys. Rev. B 2, 4893 (1970).
18. D. E. Bliss, J. P. Wilcoxon, and G. A. Samara, Materials Research Society Proceedings, Symposium F, 1994.