Citation: Lin GENG, Wei-Hui FANG, Lei ZHANG, Jian ZHANG. Gadolinium Pivalate Complex as a Precursor for the Synthesis of Titanium Oxo Clusters: Solvent Influence and Structural Analysis[J]. Chinese Journal of Structural Chemistry, ;2020, 39(6): 1063-1069. doi: 10.14102/j.cnki.0254-5861.2011-2551 shu

Gadolinium Pivalate Complex as a Precursor for the Synthesis of Titanium Oxo Clusters: Solvent Influence and Structural Analysis

Lin GENG ^{a, b} ,
Wei-Hui FANG ^b,, ,
Lei ZHANG ^b ,
Jian ZHANG ^b

a.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
b.
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Corresponding author: Wei-Hui FANG, fwh@fjirsm.ac.cn
Received Date: 26 July 2019
Accepted Date: 15 October 2019

Fund Project: the National Natural Science Foundation of China 21771181the National Natural Science Foundation of China 21673238Youth Innovation Promotion Association CAS 2017345Shanghai Key Laboratory of Rare Earth Functional Materials and Natural Science Foundation of Fujian Province 2017J05036

Figures(5)

In this text, we present researches on the synthesis of polyoxo-titanium clusters (PTCs) by the use of gadolinium pivalate precursor. During the synthesis process, we discover that solvents play an important role. When acetonitrile was used as solvent, Ti₈Gd(μ₂-O)(μ₃-O)₅(Sal)₅(OPiv)₂(μ₂-OⁱPr)₃(μ-OⁱPr)₈ (PTC-82) (H₂Sal = salicylic acid, HOPiv = pivalic acid) was obtained. When N, N-dimethylformamide (DMF) was used as solvent under the same reaction conditions, Ti₄Gd₂(μ₃-O)₂(Sal)₄(OPiv)₄(μ₂-OⁱPr)₂(μ-OⁱPr)₄(DMF)₂ (PTC-83) was synthesized. The solid-state UV absorption spectra revealed that the dopant of lanthanide and the incorporation of salicylic acid ligands have successfully narrowed the bandgap of PTCs. In addition, they exhibited rapid and reproducible photo-responses.
- lanthanide pivalate,
- dopant,
- polyoxo-titanium clusters,
- bandgap,
- photocurrent
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