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Size dependent optical band gap of ternary semiconductor nanocrystals
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10.1063/1.3103768
/content/aip/journal/jap/105/7/10.1063/1.3103768
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103768

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the structural relationship among groups IV, II-VI, , and semiconductor materials.

Image of FIG. 2.
FIG. 2.

Comparison between experimental and theoretical size dependent optical band gap for nanocrystals. Experimental data (open circles) are from Refs. 33 and 34.

Image of FIG. 3.
FIG. 3.

Calculated size dependent optical band gaps for , , , and nanocrystals.

Image of FIG. 4.
FIG. 4.

Calculated size dependent optical band gaps for , , and nanocrystals.

Image of FIG. 5.
FIG. 5.

Variation in optical band gap of chalcopyrite-type semiconductor nanocrystals. The largest and smallest optical band gap for the individual materials are calculated values for the 2 and 5 nm sized nanocrystals, respectively.

Tables

Generic image for table
Table I.

Energy band gap of bulk materials , effective mass of electron and hole, and , respectively, and confining potential of electron and hole for various ternary chalcopyrite-type semiconductors (Ref. 32). The confining potential determined by that the energy gap between the HOMO and LUMO of the surfactant oleylamine is 4.430 eV.

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/content/aip/journal/jap/105/7/10.1063/1.3103768
2009-04-08
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size dependent optical band gap of ternary I-III-VI2 semiconductor nanocrystals
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/7/10.1063/1.3103768
10.1063/1.3103768
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