Abstract
Upon the WO3 seed layer, WO3 nanorods (NRs) were effectively prepared by facile hydrothermal synthesis on the flexible carbon cloth substrate, subsequently followed by the deposition of CdSe quantum dots by successive ionic layer and adsorption reaction (SILAR) process as a light absorbing medium. It was confirmed that WO3 NRs with a diameter of approximately 170nm (±20nm) with a length of 2.2μm (±0.2μm) were uniformly coated on the entire surface area of carbon cloth substrate that consisted of a bundle of carbon fibers having a diameter of 8.9μm. In addition, the optical properties of WO3 NRs and CdSe/WO3 NRs film were also certified by ultraviolet (UV–vis) spectroscopy, thus disclosing the light absorption of intrinsic WO3 electrode as well as the CdSe light absorber. The photocurrent density of CdSe/WO3 NRs film was about 68μA/cm2, displaying a value that was two times enhanced due to the CdSe light absorber.
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