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유체 플라즈마 공정을 이용한 산화인듐주석 나노입자의 제조

Title
유체 플라즈마 공정을 이용한 산화인듐주석 나노입자의 제조
Other Titles
Synthesis of Indium-Tin oxide nanoparticles through a solution plasma process
Author
김태형
Alternative Author(s)
Kim Tae Hyung
Advisor(s)
좌용호
Issue Date
2016-02
Publisher
한양대학교
Degree
Master
Abstract
Indium oxide, tin oxide and indium-tin oxide (ITO) is a material with high conductivity and low resistivity that can be applied in a wide range of optoelectronic devices in transparent conductive oxides (TCOs). The electric conductivity and transparency in the visible light mainly affected by the quality of ceramic targets which produced from nanoparticles. In general, metal nanoparticles from precursor based wet-chemical processes are basically synthesized as metal hydroxide nanoparticles and calcinated to transform into metal oxide nanostructures. As a simple process of producing metal hydroxide, solution plasma process (SPP) was adapted to produce single crystalline metal oxide nanocubes which follows the nucleation and growth mechanism of indium-tin ions from indium, tin and IT alloy by discharge plasma assisted dissolution. After the reaction, the single crystalline metal hydroxide nanoparticles were calcined to transform into metal oxide nanoparticles and it was discovered that nanocubes were decomposed into polycrystalline structure as short period of water evaporation and reconstructed into individual domains with size of 5 ~ 10 nm. The contents ratio between indium and tin in final product nanoparticles could be controlled by initial IT alloy ratio. The contents of Sn doping level in ITO nanoparticles have affected the electrical conductivity of ITO pellet and the maximum conductivity was obtained at 10wt% of Sn contents by 20.26 S/cm.
URI
http://dcollection.hanyang.ac.kr/jsp/common/DcLoOrgPer.jsp?sItemId=000000090240https://repository.hanyang.ac.kr/handle/20.500.11754/126779
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > FUSION CHEMICAL ENGINEERING(융합화학공학과) > Theses (Master)
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