期刊
CRYSTAL GROWTH & DESIGN
卷 8, 期 9, 页码 3461-3464出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg800507k
关键词
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资金
- National Natural Science Foundation of China
- Cultivation Fund of the Key Scientific and Technical Innovation Project, MOE of China
Hydrothermal treatment of a solution of water or deuterium oxide containing N-4-cyanobenzylcinchonidine bromide (CBCBr), NaN3, and Zn(NO3)(2) center dot 6H(2)O at 105 degrees C gave the respective in situ [2 + 3] cycloaddition products (TBC-N-4)(2)Zn(N-3)(4)(X2O) (1, X = H; 2, X = D; CBC-N-4 = N-4-tetrazoylbenzylcinchonidine). A study of the SHG, ferroelectric, and permittivity properties of these novel metal -coordination compounds (MCCs) revealed huge deuterated effects (DEF) on SHG (5-fold increase), ferroelectric activity (31% increase), and dielectric behavior (up to 830% increase) upon deuterium substitution from 1 to 2. As expected, the dielectric constants in both dehydrated 1 and dedeuterated 2 are comparable and the DEF is observed to disappear with increasing temperature.
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