Liquid Crystalline Behaviours of the Complexes Based on 1,3,4-Oxadiazole Derivative and Benzoic Acid
Chengxiao Zhao
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorHaitao Wang
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorXia Ran
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorBinglian Bai
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorYan Zhang
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorCorresponding Author
Min Li
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China, Tel.: 0086-0431-8516 8254Search for more papers by this authorChengxiao Zhao
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorHaitao Wang
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorXia Ran
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorBinglian Bai
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorYan Zhang
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Search for more papers by this authorCorresponding Author
Min Li
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China
Key Laboratory for Automobile Materials, Ministry of Education, Institute of Materials Science and Engineering, Jilin University, Changchun, Jilin 130012, China, Tel.: 0086-0431-8516 8254Search for more papers by this authorAbstract
A non-liquid crystal compound (4-POXD-6) containing the 1,3,4-oxadiazole group and pyridyl (py) group was synthesized. And a series of supramolecular mesogenic complexes were obtained by mixing 4-POXD-6 and 4-alkoxybenzoic acids (Cn, n=6, 8, 12). The liquid crystalline properties of 4-POXD-6/Cn (n=6, 8, 12) were investigated by means of differential scanning calorimetry, polarized optical microscopy, and wide-angle X-ray diffraction. It was found that 4-POXD-6/Cn (6, 8) display monotropic nematic and smectic A phases, while 4-POXD-6/C12 exhibits a SmX phase in the heating process and a SmA phase in the cooling run. Variable-temperature FTIR spectroscopic studies revealed hydrogen bonds existed in both crystalline and liquid crystalline phases.
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