Seed-mediated fabrication of ZnO nanorods with controllable morphology and photoluminescence properties

Growth of ZnO Nanorod Arrays on Flexible Substrates: Effect of Precursor Solution Concentration

“…In the case of the sample with the concentration of 50 mM, the sharp and distinct diffraction peak at 2θ = 34.41 • due to ZnO (002) crystal plane shows the strongest intensity, indicating its strong caxis orientation, and the nanorods are preferentially oriented perpendicularly to the substrate. The notable difference in the full-width at half-maximum (FWHM) strongly supports our speculation that ZnO nanorod crystal promotes along the (001) direction [25]. It was observed that the relative intensity of the (002) diffraction peak with respect to other peaks decreases as the precursor concentration decreases, indicating that the orientation of the nanorods arrays becomes randomized.…”

Preparation, characterization and photocatalytic properties of ZnO-coated multi-walled carbon nanotubes

“…The broad yellow-green band should be attributed to the oxygen vacancies and/or interstitial Zn ions in the ZnO lattice [21,23,34]. However, in our case with ZnO-coated on the surface of MWCNTs, yellow-green peak can be scarcely seen, which implies that the defects as a result of oxygen-vacancy were low in the as-grown ZnO nanoparticles [35] and the as-obtained ZnO nanoparticles on the MWCNTs are highly crystalline. Furthermore, regarding the blue peak of the composites, its intensity is also dramatically decreased, and its position shifts from 399 nm to 395 nm.…”

Formation and characterization of ZnO nanopowder synthesized by sol–gel method

“…As a wide band gap semiconductor (E g = 3.37 eV), ZnO nanopowders have been widely studied especially in varistors, piezoelectric devices, surface acoustics wave devices, solar cell, transparent conductors, transparent UV-protection films, chemical sensors, antibacterial activity and so on [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. In order to realize the universal application of nanomaterials, the key is to devise simple and efficient methods for preparing nanomaterials on a large scale at low cost.…”