Positive and Negative Photoconductivity Conversion Induced by H2O Molecule Adsorption in WO3 Nanowire
Sign Up to like & getrecommendations! Published in 2019 at "Nanoscale Research Letters"
DOI: 10.1186/s11671-019-2978-y
Abstract: Negative photoconductivity effect has been observed in the Au/WO3 nanowire/Au devices in a high humidity environment, which might be attributed to the accumulation of H+ ions on the surface of WO3 nanowire. Under illumination with… read more here.
Keywords: photoconductivity conversion; wo3 nanowire; positive negative; negative photoconductivity ... See more keywords
Competition of Photo-Excitation and Photo-Desorption Induced Positive and Negative Photoconductivity Switch in Te Nanowires
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12213747
Abstract: The photocurrent in tellurium nanowire (Te NW) exhibits a subtle influence by many extrinsic factors. Herein, we fabricate Te NW devices and explore their photoresponse properties in detail. It is observed that the current increases… read more here.
Keywords: photo desorption; switch; photo; negative photoconductivity ... See more keywords