Twonewhigh-temperaturemolecularferroelectrics[1,5-3.2.2-Hdabcn]X(X=ClO4-,ReO4-)

被引:0
作者
Keke Han [1 ]
Wenjun Rao [1 ]
Xiuli You [2 ]
Haina Zhang [1 ]
Xing Ye [1 ]
Zhenhong Wei [1 ]
Hu Cai [1 ]
机构
[1] School of Chemistry and Chemical Engineering, Nanchang University
[2] Jiangxi Key laboratory of Organic Chemistry, Jiangxi Science and Technology Normal
关键词
D O I
暂无
中图分类号
TM221 [];
学科分类号
摘要
Molecular ferroelectrics have attracted much attention because of their excellent piezoelectricity, mechanical workability, and second harmonic effect. Here, we successfully prepared two molecular ferroelectrics [1,5–3.2.2-Hdabcn]X(X = ClO4-, 1; ReO4-, 2) by reactions of a quasi-spherical amine 1,5-diazabicycle[3.2.2]nonane(1.5–3.2.2-dabcn) with HX aqueous solution. Compounds 1 and 2 undergo hightemperature phase transitions at 381 K(1) and 396 K(2). Before and after the phase transition, they crystallize in the polar point group mm2, and the centrosymmetric point groups mmm and 4/mmm, respectively. According to Aizu rules, these two compounds experience mmm Fmm2 and 4/mmm Fmm2 type ferroelectric phase transitions, respectively. The ferroelectricity of both compounds is well expressed in their polycrystalline film at room temperature with low coercive voltages of 13 V for 1 and 25 V for 2. Using piezoelectric force microscopy(PFM), the 180° anti-parallel ferroelectric domains and the reversible polarization switching can be clearly observed in 1 and 2. This high-temperature molecular ferroelectric material has great application potential in flexible materials, biomechanics, intelligent wearables and other fields.
引用
收藏
页码:260 / 264
页数:5
相关论文
共 29 条
[1]   Thin-Film Ferroelectrics [J].
Fernandez, Abel ;
Acharya, Megha ;
Lee, Han-Gyeol ;
Schimpf, Jesse ;
Jiang, Yizhe ;
Lou, Djamila ;
Tian, Zishen ;
Martin, Lane W. .
ADVANCED MATERIALS, 2022, 34 (30)
[2]   Record Enhancement of Phase Transition Temperature Realized by H/F Substitution [J].
Tang, Yuan-Yuan ;
Xie, Yongfa ;
Zeng, Yu-Ling ;
Liu, Jun-Chao ;
He, Wen-Hui ;
Huang, Xue-Qin ;
Xiong, Ren-Gen .
ADVANCED MATERIALS, 2020, 32 (36)
[3]   Large Piezoelectric Response in Hybrid Rare-Earth Double Perovskite Relaxor Ferroelectrics [J].
Shi, Chao ;
Ma, Jia-Jun ;
Jiang, Jia-Ying ;
Hua, Miao-Miao ;
Xu, Qi ;
Yu, Hui ;
Zhang, Yi ;
Ye, Heng-Yun .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2020, 142 (21) :9634-9641
[4]   Rational Design of Ceramic-Like Molecular Ferroelectric by Quasi-Spherical Theory [J].
Wei, Zhen-Hong ;
Jiang, Zhen-Tao ;
Zhang, Xiu-Xiu ;
Li, Ming-Li ;
Tang, Yuan-Yuan ;
Chen, Xiao-Gang ;
Cai, Hu ;
Xiang, Ren-Gen .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2020, 142 (04) :1995-2000
[5]   Transparent ferroelectric crystals with ultrahigh piezoelectricity [J].
Qiu, Chaorui ;
Wang, Bo ;
Zhang, Nan ;
Zhang, Shujun ;
Liu, Jinfeng ;
Walker, David ;
Wang, Yu ;
Tian, Hao ;
Shrout, Thomas R. ;
Xu, Zhuo ;
Chen, Long-Qing ;
Li, Fei .
NATURE, 2020, 577 (7790) :350-+
[6]   Toward the Targeted Design of Molecular Ferroelectrics: Modifying Molecular Symmetries and Homochirality [J].
Zhang, Han-Yue ;
Tang, Yuan-Yuan ;
Shi, Ping-Ping ;
Xiong, Ren-Gen .
ACCOUNTS OF CHEMICAL RESEARCH, 2019, 52 (07) :1928-1938
[7]   MXene-Derived Ferroelectric Crystals [J].
Tu, Shaobo ;
Ming, Fangwang ;
Zhang, Junwei ;
Zhang, Xixiang ;
Alshareef, Husam N. .
ADVANCED MATERIALS, 2019, 31 (14)
[8]   Directional Intermolecular Interactions for Precise Molecular Design of a High-Tc Multiaxial Molecular Ferroelectric [J].
Yang, Chen-Kai ;
Chen, Wang-Nan ;
Ding, Yan-Ting ;
Wang, Jing ;
Rao, Yin ;
Liao, Wei-Qiang ;
Xie, Yongfa ;
Zou, Wennan ;
Xiong, Ren-Gen .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2019, 141 (04) :1781-1787
[9]   Ferroelectricity and Piezoelectricity in Free-Standing Polycrystalline Films of Plastic Crystals [J].
Harada, Jun ;
Yoneyama, Naho ;
Yokokura, Seiya ;
Takahashi, Yukihiro ;
Miura, Atsushi ;
Kitamura, Noboru ;
Inabe, Tamotsu .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2018, 140 (01) :346-354
[10]   Multifunctional Material with Efficient Optoelectronic Integrated Molecular Switches Based on a Flexible Thin Film/Crystal [J].
Xu, Chang ;
Zhang, Wan-Ying ;
Ye, Qiong ;
Fu, Da-Wei .
INORGANIC CHEMISTRY, 2017, 56 (23) :14477-14485