Abstract
We report on a fast and efficient polymeric photorefractive (PR) device by using single-walled carbon nanotubes (SWCNTs) on indium-doped tin oxide (ITO) electrodes. In presence of SWCNTs, the magnitudes of photocurrent, space charge field, and refractive index modulation increased 56.9%, 20.3%, and 22.1%, respectively, due to enhanced charge separation and facilitative charge transport. The PR grating buildup speed of PR device with SWCNTs layers was three-and-a-half times faster than that without SWCNTs layers. The SWCNTs with layer structure provided an efficient electron-transfer matrix.
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Oh, JW., Choi, J. & Kim, N. Enhanced grating formation speed and amplitude of photorefractive device modified with single-walled carbon nanotubes. Macromol. Res. 21, 327–330 (2013). https://doi.org/10.1007/s13233-013-1117-3
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DOI: https://doi.org/10.1007/s13233-013-1117-3