1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
CdS nanofilms: Effect of film thickness on morphology and optical band gap
Rent:
Rent this article for
USD
10.1063/1.4769799
/content/aip/journal/jap/112/12/10.1063/1.4769799
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4769799

Figures

Image of FIG. 1.
FIG. 1.

XRD spectrum for CdS nanofilms with thickness t1  = 39.7 nm, t2  = 65.6 nm, t3  = 87.4 nm, and t4  = 112.5 nm.

Image of FIG. 2.
FIG. 2.

(a) TEM image at first position for t2  = 65.6 nm. Inset shows SAD pattern. (b) TEM image at second position for t2 film. Inset shows EDAX spectrum.

Image of FIG. 3.
FIG. 3.

The FE-SEM micrographs for CdS nanofilms with thickness t1  = 39.7 nm, t2  = 65.6 nm, t3  = 87.4 nm, and t4  = 112.5 nm.

Image of FIG. 4.
FIG. 4.

(a) The 2 dimensional AFM images for CdS nanofilms. (b) The 3 dimensional AFM images for CdS nanofilms with thickness t1  = 39.7 nm, t2  = 65.6 nm, t3  = 87.4 nm, and t4  = 112.5 nm.

Image of FIG. 5.
FIG. 5.

Transmittance and reflectance spectra for CdS nanofilms with thickness t1  = 39.7 nm, t2  = 65.6 nm, t3  = 87.4 nm, and t4  = 112.5 nm.

Image of FIG. 6.
FIG. 6.

Plot of (αhv)2 versus hv. Inset shows the variation of Eg and Eg sub as a function of film thickness.

Image of FIG. 7.
FIG. 7.

Plot of nf versus λ. Inset shows the plot of kf versus λ for CdS nanofilms with thickness t1  = 39.7 nm, t2  = 65.6 nm, t3  = 87.4 nm, and t4  = 112.5 nm.

Tables

Generic image for table
Table I.

The values of crystallite size (Dhkl ), inter-planar spacing (dhkl ), microstrain (εhkl ), dislocation density (δhkl ), stacking fault probability (αsf ), lattice constant ratio (c/a), texture coefficient (TC(200) ), and at. % Cd/S for CdS nanofilms.

Generic image for table
Table II.

The values of crystallite size (DSEM and DAFM ), surface roughness (Rrms ), surface skewness (Ssk ), coefficient of kurtosis (Ska ), absorption coefficient (α), Urbach energy (Eu ), sub band gap (Eg sub ), optical band gap (Eg ), refractive index (nf ), extinction coefficient (kf ), and packing density (pf ) for CdS nanofilms.

Loading

Article metrics loading...

/content/aip/journal/jap/112/12/10.1063/1.4769799
2012-12-19
2014-04-16
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: CdS nanofilms: Effect of film thickness on morphology and optical band gap
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4769799
10.1063/1.4769799
SEARCH_EXPAND_ITEM