Wawrzyniak Jakub, Karczewski Jakub, Kupracz Piotr, Grochowska Katarzyna, Coy Emerson, Mazikowski Adam, Ryl Jacek, Siuzdak Katarzyna
Centre of Plasma and Laser Engineering, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14 st., 80-231, Gdańsk, Poland.
Department of Solid-State Physics, Gdańsk University of Technology, Gabriela Narutowicza 11/12 st., 80-233, Gdańsk, Poland.
Sci Rep. 2020 Nov 19;10(1):20235. doi: 10.1038/s41598-020-77309-2.
In the following article, we present a simple, two-step method of creating spaced, hollow nanopillars, from the titania nanotube arrays via pulsed laser-treatment. Due to the high ordering of the structure, the prepared material exhibits photonic properties, which has been shown to increase the overall photoefficiency. The optical and morphological changes in the titania nanotubes after pulsed laser-treatment with 532, 355, and 266 nm wavelengths in the 10-50 mJ/cm fluence range are studied. The investigation reveals, that by using appropriate wavelength and energy, the number of surface defects, geometrical features, or both can be tailored.
在接下来的文章中，我们展示了一种简单的两步法，通过脉冲激光处理从二氧化钛纳米管阵列制备间隔排列的空心纳米柱。由于结构的高度有序性，所制备的材料具有光子特性，已证明这会提高整体光效率。研究了在10 - 50 mJ/cm的能量密度范围内，用532、355和266 nm波长的脉冲激光处理后二氧化钛纳米管的光学和形态变化。研究表明，通过使用合适的波长和能量，可以调整表面缺陷的数量、几何特征或两者。
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