Woo, K Hong, J Ahn, JP Park, JK Kim, KJ 2024-01-21T04:10:29Z 2024-01-21T04:10:29Z 2021-09-01 2005-10-03 0020-1669 https://pubs.kist.re.kr/handle/201004/136059 A coordinatively induced length control of W18O49 nanorods has been developed using thermal decomposition of W(CO)(6) in octyl ether solutions of single or mixed capping agents, oleic acid (OA), oleic acid/hexadecylamine (HDA), and oleic acid/trioctylphosphine oxide (TOPO). The order of length for nanorods synthesized with different capping agents was OA > OA/HDA > OA/TOPO, which was the opposite of order of their coordinating power. The order of crystalline size (diameter x length) from the TEM image was OA/HDA > OA > OA/TOPO and matched exactly with the order of crystallinity from the XRD pattern. The order of photoluminescence intensity was OA/HDA < OA < OA/TOPO and was the opposite of the order for the crystalline size or crystallinity. The strong coordinating power and steric bulkiness of TOPO is thought to interrupt the growth of the nanorods, the rearrangement of the end face atoms, and the fusion of the lateral faces and, thereby, increase the oxygen defects and the photoluminescence intensity. English AMER CHEMICAL SOC TUNGSTEN-OXIDE NANOWIRES HIGH-SENSITIVITY GAS SENSORS THIN-FILMS NANOPARTICLES SELECTIVITY PRECURSORS COMPLEXES OXIDATION GROWTH Coordinatively induced length control and photoluminescence of W18O49 nanorods Article 10.1021/ic0504644 1 INORGANIC CHEMISTRY, v.44, no.20, pp.7171 - 7174 INORGANIC CHEMISTRY 44 20 7171 7174 scie scopus 000232281900044 2-s2.0-26944499043 Chemistry, Inorganic & Nuclear Chemistry Article TUNGSTEN-OXIDE NANOWIRES HIGH-SENSITIVITY GAS SENSORS THIN-FILMS NANOPARTICLES SELECTIVITY PRECURSORS COMPLEXES OXIDATION GROWTH W18O49 nanorod length control photoluminescence coordinating power