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首页> 外文期刊>Optical Materials >The effect of mixed solvents on solute-solvent interactions and bulk growth of 3,4-diamino benzopheone: A novel benzophenone derivative for NLO applications
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The effect of mixed solvents on solute-solvent interactions and bulk growth of 3,4-diamino benzopheone: A novel benzophenone derivative for NLO applications

机译：混合溶剂对3,4-二氨基二苯甲酮的溶质-溶剂相互作用和整体生长的影响：一种用于NLO应用的新型二苯甲酮衍生物

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Growth of bulk organic NLO crystals is a stupendous task in the field of crystal growth because of its remarkable properties such as better NLO efficiency and rapid response with light due to presence of delocalized electrons than inorganic materials, which could be implemented in the field of photonics. Attempts were made in growing bulk single crystal of novel benzophenone derivatives. Being one of the BP derivatives, 3,4-Diaminobenzophenone (3,4-DABP) was selected and grown as a bulk crystal by slow evaporation growth technique from a mixture of solvents of ethanol and o-xylene in the ratio of 1:3 at ambient temperature. Grown crystals were subjected to characterization studies like single crystal XRD, powder XRD, FTIR analysis, TG/DTA, UV-Vis NIR spectroscopy, Vicker's microhardness testing and NLO studies to reveal their structural, thermal, mechanical and optical properties. Powder XRD studies indicated the pure crystallinity nature of the grown crystals. The presence of various functional groups were analysed from FTIR spectrum. Optical studies revealed that the material can be used in photonics as optical filters. Microhardness study revealed that 3,4-DABP belongs to soft material and also exhibit Reverse Indentation Size Effect (RISE). SHG study confirmed that the frequency conversion efficiency of the crystal 3,4-DABP is 2.3 times that of KDP crystal.
机译：大量有机NLO晶体的生长在晶体生长领域是一项艰巨的任务，因为它具有非凡的性能，例如，与无机材料相比，由于存在离域电子，因此具有更好的NLO效率和对光的快速响应，这可以在光子学领域实现。尝试了生长新型二苯甲酮衍生物的块状单晶。作为BP衍生物之一，选择了3,4-二氨基二苯甲酮（3,4-DABP）并通过缓慢蒸发生长技术从比例为1：3的乙醇和邻二甲苯的溶剂中生长成块状晶体在环境温度下。对生长的晶体进行了表征研究，如单晶XRD，粉末XRD，FTIR分析，TG / DTA，UV-Vis NIR光谱，维氏显微硬度测试和NLO研究，以揭示其结构，热，机械和光学性质。粉末XRD研究表明生长的晶体具有纯结晶性。从FTIR光谱分析了各种官能团的存在。光学研究表明，该材料可以在光子学中用作滤光片。显微硬度研究表明3,4-DABP属于软质材料，并且还具有反向压痕尺寸效应（RISE）。 SHG研究证实3,4-DABP晶体的频率转换效率是KDP晶体的2.3倍。

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