화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2014년 봄 (04/23 ~ 04/25, 창원컨벤션센터)
권호 20권 1호, p.725
발표분야 재료
제목 Synthesis of Alkali Metal Doped Tungsten Bronze Nanoparticles by Using Oleylamine as Surfactant and Solvent
초록 We provide the synthesis of quaternary tungsten bronzes doped with sodium and cesium via a low-cost sol-gel process employing surfactants. The nanocrystal of CsxNayWO3 was prepared using the sol-gel process with oleylamine as surfactant and solvent. Through transmission electron microscopy (TEM), we confirmed that synthesized tungsten bronze nanoparticles capped with oleylamine have a diameter in the range of 10–30 nm. The carbon chain of surfactant made tungsten bronze nanoparticles well-dispersed in non-polar solvent(toluene), showing about 97% shielding property of near-infrared(780-2100nm) light as well as about 64% transparency of visible (380-780nm) light. The property of tungsten bronze nanocrystals was highly suitable for solar control filters in automobiles and architectures by applying windows of incoming near-infrared light.
저자 최재혁, 조현진, 박종협, 강인성, 박주현
소속 중앙대
키워드 tungsten bronze; nanoparticle; near infrared
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