Identification of mass fractal in chemically synthesized ZnS quantum dots

Vogel, Walter; Dhayagude, D.; Chitra, R.; Sen, D.; Mazumder, S.; Kulkarni, Sulabha K.

doi:10.1023/A:1020675710868

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Identification of mass fractal in chemically synthesized ZnS quantum dots

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Vogel, Walter
Molecular Physics, Fritz Haber Institute, Max Planck Society;

Kulkarni, Sulabha K.
Max Planck Society;

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Citation

Vogel, W., Dhayagude, D., Chitra, R., Sen, D., Mazumder, S., & Kulkarni, S. K. (2002). Identification of mass fractal in chemically synthesized ZnS quantum dots. Journal of Materials Science, 37(21), 4545-4553. doi:10.1023/A:1020675710868.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-133E-8

Abstract

Zinc sulphide quantum dots chemically capped with thioglycerol having two different sizes have been synthesized. The particles have a disordered sphalerite structure and are slightly contracted by 1% against the bulk. Small angle X-ray scattering investigations reveal that powders of these nanocrystallites are mass fractals that aggregate via a reaction-limited process to form irregular but rather dense networks with a fractal dimensionality of D-f = 2.7 and 2.1, respectively