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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Novel Styrylquinolinium Dye Thin Films Deposited by Pulsed Laser Deposition for Nonlinear Optical Applications
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Novel Styrylquinolinium Dye Thin Films Deposited by Pulsed Laser Deposition for Nonlinear Optical Applications

机译：用于非线性光学应用的脉冲激光沉积沉积新型苯乙烯基喹啉鎓染料薄膜

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摘要

The nonlinear optical (NLO) properties of novel styrylquinolinium dye thin films for photonic applications have been studied by the Z-scan, second harmonic generation (SHG), and third harmonic generation (THG) techniques, providing both the second- and third-order nonlinear optical parameters. The styrylquinolinium dye (E)-l-ethyl-4-(2-(4-hydroxynaphthalen-l-yl)vinyl)quinolinium bromide was synthesized by the Knoevenagel condensation, and its structure and physicochemical properties were determined by ~1H NMR,~(13)C NMR, FTIR, UV-vis spectroscopy, and elemental analysis. Functional thin films were deposited by pulsed laser deposition (PLD) using UV TEA N2 laser onto glass substrates and KC1, NaCl monocrystals at room temperature and vacuum at 10~(-3) mbar/0.1 Pa. Further characterization of the films and target from native material by FTIR spectroscopy revealed that there was no difference between the deposited films and the initial material. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) measurements have been also performed in order to provide information about the morphology and topology of the thin films.
机译：通过Z扫描，二次谐波生成（SHG）和三次谐波生成（THG）技术研究了用于光子的新型苯乙烯基喹啉鎓染料薄膜的非线性光学（NLO）特性，提供了二阶和三阶非线性光学参数。通过Knoevenagel缩合反应合成苯乙烯基喹啉鎓染料（E）-1-乙基-4-（2-（4-羟基萘-1-基）乙烯基）喹啉溴化物，并通过〜1H NMR确定其结构和理化性质，〜 （13）C NMR，FTIR，UV-vis光谱和元素分析。通过使用UV TEA N2激光通过脉冲激光沉积（PLD）将功能性薄膜沉积到玻璃基板上，并在室温和10〜（-3）mbar / 0.1 Pa的真空下，将KC1，NaCl单晶沉积到玻璃基板上。 FTIR光谱显示的天然材料表明，沉积的薄膜与初始材料之间没有差异。为了提供有关薄膜的形态和拓扑结构的信息，还进行了原子力显微镜（AFM）和扫描电子显微镜（SEM）测量。

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