TY - JOUR
T1 - DFWM study of thin films containing surface-modified CdS nanoparticles
AU - Yamaki, T.
AU - Asai, K.
AU - Ishigure, K.
AU - Sano, K.
AU - Ema, K.
N1 - Funding Information:
Acknowledgements The authorsg reatly appreciateth e important contributionst o this work from our collaboratorsD, r. H. Kunugita, Y. Ueno, J. Ishi, T. Kobayashi, M. Sakai and S. Kishino (at Sophia University). One of the authors( T.Y.) acknowledgetsh e support from the ResearchF ellowshipso f the Japan Society for the Promotion of Science for Young Scientists.T his work was financiallys upportedb y CREST.
PY - 1999/6/24
Y1 - 1999/6/24
N2 - Degenerate four-wave mixing (DFWM) was used as a technique to estimate the third-order optical susceptibility, χ(3) (-ω; ω, -ω, ω), of thin films prepared from cadmium sulfide (CdS) colloidal solutions. The formation of CdS films on a substrate, without any change in the particle size, enhanced the quantum yield of an excitonic band by removing a large number of surface traps. This film showed a large χ(3) value near approx. 10-7 esu around the exciton resonance at room temperature. This was possibly brought about by an effective surface passivation as well as a high CdS microcrystallite concentration.
AB - Degenerate four-wave mixing (DFWM) was used as a technique to estimate the third-order optical susceptibility, χ(3) (-ω; ω, -ω, ω), of thin films prepared from cadmium sulfide (CdS) colloidal solutions. The formation of CdS films on a substrate, without any change in the particle size, enhanced the quantum yield of an excitonic band by removing a large number of surface traps. This film showed a large χ(3) value near approx. 10-7 esu around the exciton resonance at room temperature. This was possibly brought about by an effective surface passivation as well as a high CdS microcrystallite concentration.
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U2 - 10.1016/S0379-6779(98)00687-0
DO - 10.1016/S0379-6779(98)00687-0
M3 - Conference article
AN - SCOPUS:0033137957
VL - 103
SP - 2690
EP - 2691
JO - Synthetic Metals
JF - Synthetic Metals
SN - 0379-6779
IS - 1-3
T2 - Proceedings of the 1998 International Conference on Science and Technology of Synthetic Metals (ICSM-98)
Y2 - 12 July 1998 through 18 July 1998
ER -