摘要
根据实验获得的亚稳区范围为指导,采用籽晶-溶液降温法进行对4-N,N-二甲胺基-4’-N’-甲基-氮杂芪的对甲苯磺酸盐(DAST)晶体的生长,获得了2颗尺寸较大的DAST晶体。X线衍射(XRD)图谱分析发现有较强的(004)面和(006)面的特征峰,光致发光谱(PL)测试发现573.5nm处存在N(CH3)2基团产生的特征峰,601.6nm处存在二甲胺基和磺酸盐基分子间电荷转移过程产生的特征峰,647nm存在由烯双键产生的特征峰,通过晶体的XRD、PL光谱测试,证实了实验制备的晶体为DAST晶体。同时,还测试了晶体的维氏硬度,以及使用原子力显微镜(AFM)及微分干涉显微镜对晶体的表面形貌进行了观测。
Using the metastable zone range for guidance,DAST crystal was grown by the seed-solution cooling method.We got two larger size of DAST crystals.There were strong（004）and（006）surfaces characteristic peaks in the XRD pattern.In the PL spectra,the peak at the 573.5 nm was expected to occur from the dimethylamino group（N（CH3）2）present in DAST crystal.There was the electron transfer characteristic peak at 601.6 nm,the electron transfer occurred between two molecules through the ionic interaction between the dimethylamino and sulfonate groups.The characteristic peak generated by the olefinic double bond was at 647 nm.Through XRD and PL spectral test,it was confirmed that the prepared crystal was DAST crystal.The Vivtorinox hardness test of DAST crystal was carried out,and the surface morphology of DAST crystal was observed by AFM and the differential interference microscope.
出处
《压电与声光》
CSCD
北大核心
2017年第5期722-724,共3页
Piezoelectrics & Acoustooptics
