2000
DOI: 10.1016/s0030-4018(00)01009-9
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Quantum size effects on the third order optical nonlinearity of CdS quantum dots in Nafion

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Cited by 25 publications
(12 citation statements)
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“…Quantum size effects (QSE) associated with the low dimensionality lead to several remarkable modifications in the physical properties of materials [4][5][6]. These effects are pronounced and lead to a discrete and size-dependent energy level structure when the cluster radius is typically less than the radius of bohr exciton [4,7].…”
Section: Introductionmentioning
confidence: 99%
“…Quantum size effects (QSE) associated with the low dimensionality lead to several remarkable modifications in the physical properties of materials [4][5][6]. These effects are pronounced and lead to a discrete and size-dependent energy level structure when the cluster radius is typically less than the radius of bohr exciton [4,7].…”
Section: Introductionmentioning
confidence: 99%
“…Herein we assume that the relaxation time τ does not vary with particle size. 25 The third-order α 2 wavelength dependences (stars and squares) and the corresponding two-level model fitting curves (solid lines) are plotted in Fig. 6(a) for Sample 1 and Sample 2.…”
Section: Resultsmentioning
confidence: 99%
“…Eventhough several studies have been done on the nonlinear optical properties of semiconductor nanostructures, the mechanisms for the origin of nonlinearity and the size dependence on the nonlinearity are not well understood. Earlier work from our laboratory based on the polymer based CdS nanostructures showed an increase in third order susceptibility χ (3) with the decrease in particle size 7 .…”
mentioning
confidence: 76%