[11a-S2-1~11] 12.1 Fabrications and Structure Controls

10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)Presentation by Applicant for JSAP Young Scientists Presentation Award

[11a-S2-6] Moisture-Induced Phase Transitions of Dodecylammonium Iodide in Thin Films and Bulk

〇(D)Ren Abe¹, Shingo Maruyama^1,2, Shunsuke Shimizu³, Takeharu Yoshii³, Hirotomo Nishihara³, Kenichi Kaminaga¹, Yuji Matsumoto¹ (1.Tohoku Univ., 2.Shizuoka Univ., 3.IMRAM, Tohoku Univ.)

Keywords:

phase transition,vacuum deposition,thin film

Dodecylammonium iodide (DDAI) has attracted attention as a precursor for organic–inorganic layered hybrid materials with high ambient stability. We have previously reported that DDAI thin films prepared by vacuum deposition transform in air into a phase with a different interlayer spacing, and that moisture is the primary factor driving this change. However, it remains unclear whether this phase is a hydrate or a metastable phase induced by interaction with water molecules. In this study, we investigate the origin of this moisture-induced phase transition.