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Spectroscopic study of L-arginine interaction with potassium dihydrogen phosphate crystals

机译：L-精氨酸与磷酸二氢钾晶体相互作用的光谱研究

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摘要

Inorganic potassium dihydrogen phosphate (KDP) is widely known for its value as a nonlinear optical material. In this study, pure and L-arginine-doped KDP single crystals were grown by the slow solvent evaporation technique and further subjected to infrared absorption and Raman studies for the confirmation of chemical group functionalization and possible bonding between the organic and inorganic materials. The appearance in the infrared absorption spectra of additional vibrational lines, which mostly originate from disturbed N-H, C-H, and C-N bonds of the L-arginine-doped salt, confirm the interaction between KDP and the organic material. This affirmation is supported by more evidence from Raman measurements, where the disappearance of NH vibrations of the amino group is observed. We are thus led to the possibility of hydrogen bonding primarily between the nucleophilic O~- of the phosphate unit of KDP and the amino group of the L-arginine.
机译：无机磷酸二氢钾（KDP）以其作为非线性光学材料的价值而广为人知。在这项研究中，通过慢速溶剂蒸发技术生长了纯L-精氨酸掺杂的KDP单晶，并进一步进行了红外吸收和拉曼研究，以证实化学基团的功能化以及有机和无机材料之间的可能键合。附加振动线在红外吸收光谱中的出现主要是由L-精氨酸掺杂盐的N-H，C-H和C-N键的干扰引起的，这证实了KDP与有机材料之间的相互作用。拉曼测量得到的更多证据支持了这一确认，其中观察到了氨基的NH振动消失。因此，我们导致氢键主要在KDP的磷酸酯单元的亲核O-和L-精氨酸的氨基之间键合的可能性。

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  • 来源
    《Journal of Materials Research》 |2009年第7期|2316-2320|共5页
  • 作者

    Jayesh R. Govani; William G. Durrer; Marian Manciu; Cristian Botez; Felicia S. Manciu;

  • 作者单位

    Department of Physics, University of Texas at El Paso, El Paso, Texas 79968;

    Department of Physics, University of Texas at El Paso, El Paso, Texas 79968;

    Department of Physics, University of Texas at El Paso, El Paso, Texas 79968;

    Department of Physics, University of Texas at El Paso, El Paso, Texas 79968;

    Department of Physics, University of Texas at El Paso, El Paso, Texas 79968;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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