[17p-C204-1~20] 8.1 Plasma production and diagnostics

[17p-C204-1] Estimation on spatial distribution of number density of TiO molecule in the thermal plasma during Fe³⁺-doped TiO₂ nanopowder synthesis using induction thermal plasmas

〇Naoto Kodama¹, Yosuke Ishisaka¹, Kotaro Shimizu¹, Kazuki Onda¹, Yasunori Tanaka¹, Yoshihiko Uesugi¹, Tatsuo Ishijima¹, Shiori Sueyasu², Shu Watanabe², Keitaro Nakamura² (1.Kanazawa Univ., 2.Nissin Seifun Group Inc.)

Keywords:Thermal plasma, Optical emission spectroscopy, Nanoparticle

During nanopowder (NPs) synthesis process using inductively coupled thermal plasma (ICTP), precursor particles are generated by chemical reaction between feedstock vapor and reactive plasma gas in the ICTP. Thus, it is important to estimate spatial distribution of precursor particle in the ICTP torch in order to clarify NPs synthesis processes. This report described spatial estimation result of number density of TiO molecule in the ICTP torch during Fe³⁺-doped TiO₂ NPs synthesis.