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NMR Analysis of the Substitution of Titanium Tetraisopropoxide with Phenol and Carboxylic Acid
- Authors
- Choi, Jeong Chul; Hwang, Kwang-Jin
- Issue Date
- Dec-2017
- Publisher
- KOREAN MAGNETIC RESONANCE SOC
- Keywords
- Titanium tetraisopropoxide; Titanium dioxide; N719 dye; solar cell
- Citation
- JOURNAL OF THE KOREAN MAGNETIC RESONANCE SOCIETY, v.21, no.4, pp.135 - 138
- Journal Title
- JOURNAL OF THE KOREAN MAGNETIC RESONANCE SOCIETY
- Volume
- 21
- Number
- 4
- Start Page
- 135
- End Page
- 138
- ISSN
- 1226-6531
- Abstract
- Titanium phenoxide and titanium carboxylate derivatives were prepared by ligand exchange of titanium tetraisopropoxide with the corresponding phenol and carboxylic acids. The substitution reactions were analyzed by NMR focused in the liberation of isopropylalcohol. The chemical shift of secondary proton of isopropyl group shifted to upfield after liberation; from 4.47 ppm at titanium-bound to 4.1 similar to 4.3 ppm at free alcohol state in CDCl3. The substitution reaction of titanium tetraisopropoxide with carboxylic acid was applied to form dye-Ti complex for dye-sensitized solar cell.
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Related Researcher
- Hwang, Kwang Jin
- Science & Technology (Biological and Chemical Engineering)