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Pulsed-laser deposition of metal acetyl acetonates for sensor devices

机译:用于传感器设备的乙酰丙酮金属的脉冲激光沉积

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摘要

Thin layers of tin acetyl acetonate (SnAcAc) were deposited by the laser ablation deposition (LAD) method onto potassium bromide tablets. FTIR and X-ray photoelectronspectroscopy (XPS) spectra of these layers were investigated to describe changes in chemical composition during the deposition and following a thermal activation process. The main interest was focused on the formation of systems containing conjugated double bonds, tin dioxide (SnO_2), tin suboxides (SnO_x; x < 2), and salts (especially carboxylates). These phases play an important role in the use of LAD-deposited acetyl acetonates as active layers of chemical sensors.
机译:通过激光烧蚀沉积(LAD)方法将乙酰丙酮锡(SnAcAc)薄层沉积到溴化钾片剂上。研究了这些层的FTIR和X射线光电子能谱(XPS)光谱,以描述沉积过程中和热活化过程后化学成分的变化。主要兴趣集中在形成包含共轭双键,二氧化锡(SnO_2),低价氧化锡(SnO_x; x <2)和盐(尤其是羧酸盐)的体系上。这些阶段在使用LAD沉积的乙酰丙酮化物作为化学传感器的活性层中起着重要作用。

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