(Color online) Preparation process of AZO-MWCNT.
(Color online) Experimental setup for polarized UV light irradiation and absorption measurements.
TEM images of individual AZO-MWCNT in the film. Inset shows a lower-magnification micrograph.
The UV-VIS absorption spectra of (a) DAZO and (b) AZO-MWCNT in THF.
The potoluminescence spectra of (a) DAZO and (b) AZO-MWCNT in THF under the excitation wavelength of 480 nm light.
Time evolution of cross-polarized absorption spectra of the AZO-MWCNT film measured by polarized light along the directions (a) parallel and (b) perpendicular to the incident light.
Time-evolved photoresponses of the DAZO film (dashed line) and the AZO-MWCNT film (solid line) at (a) 302 nm and at (b) 406 nm measured by polarized light along the directions parallel (1, 4) and perpendicular (2, 3) to the incident light.
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