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Effects of Thallium–Aluminum‐Codoped Zinc Oxide Thin Film as a New Transparent Conducting Oxide
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2021-02-24 , DOI: 10.1002/pssa.202000619 Mohammad-Reza Zamani Meymian 1 , Mir-Ali Mousavi 1 , Mahboubeh Rabbani 2 , Milad Fallah 1
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2021-02-24 , DOI: 10.1002/pssa.202000619 Mohammad-Reza Zamani Meymian 1 , Mir-Ali Mousavi 1 , Mahboubeh Rabbani 2 , Milad Fallah 1
Affiliation
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Herein, the electro–optical properties of sol–gel spin‐coated “thallium–aluminum‐codoped zinc oxide (TAZO)” focusing on the effects of thallium are investigated. It is shown that the amount of thallium (Tl) has a significant effect on improving the electrical properties of TAZO as a new transparent conducting oxide (TCO). The optimum results are achieved by adding 1 at% of Tl to aluminum‐doped zinc oxide (AZO), after which the sheet resistance (Rs) value is reduced from 30.21 to 2.832 KΩ sq−1. Although less Rs is recorded in all amounts of Tl used (from 1 to 4 at%) than in Tl‐free samples, Rs also increases as the amount of Tl increases, which is related to the degradation of the crystal structure at higher values of Tl. In view of a trade‐off between electrical conductivity and optical transparency, a decrease in transparency in the presence of Tl is a predictable issue, but while the Tl‐free samples record 90% transparency, the uniform thin film of 1 at% Tl‐AZO is able to achieve 85% transparency. This small amount of reduction in transparency shows the high potential of Tl to improve the properties of AZO as a TCO.
中文翻译：
hall铝掺杂氧化锌薄膜作为新型透明导电氧化物的作用
在本文中，研究了溶胶-凝胶旋涂“-铝共掺杂的氧化锌（TAZO）”的电光性能，重点研究了effects的作用。结果表明，the的含量（Tl）对改善TAZO作为一种新型的透明导电氧化物（TCO）的电学性能具有显著作用。通过向掺铝的氧化锌（AZO）中添加1 at％的Tl，可以实现最佳结果，然后将薄层电阻（R s）值从30.21降低至2.832KΩsq -1。尽管在所有使用的Tl量（从1至4 at％）中记录的R s比不含Tl的样品少，但R sT1的量也随着T1的增加而增加，这与在较高的T1值下晶体结构的退化有关。考虑到电导率和光学透明度之间的权衡，存在Tl时透明度降低是可预见的问题，但是尽管无Tl样品记录了90％的透明度，但均匀薄膜的Tl含量为1 at％ AZO能够实现85％的透明度。透明度的少量降低表明T1具有改善AZO作为TCO的性能的高潜力。
更新日期：2021-05-05
中文翻译：
hall铝掺杂氧化锌薄膜作为新型透明导电氧化物的作用
在本文中，研究了溶胶-凝胶旋涂“-铝共掺杂的氧化锌（TAZO）”的电光性能，重点研究了effects的作用。结果表明，the的含量（Tl）对改善TAZO作为一种新型的透明导电氧化物（TCO）的电学性能具有显著作用。通过向掺铝的氧化锌（AZO）中添加1 at％的Tl，可以实现最佳结果，然后将薄层电阻（R s）值从30.21降低至2.832KΩsq -1。尽管在所有使用的Tl量（从1至4 at％）中记录的R s比不含Tl的样品少，但R sT1的量也随着T1的增加而增加，这与在较高的T1值下晶体结构的退化有关。考虑到电导率和光学透明度之间的权衡，存在Tl时透明度降低是可预见的问题，但是尽管无Tl样品记录了90％的透明度，但均匀薄膜的Tl含量为1 at％ AZO能够实现85％的透明度。透明度的少量降低表明T1具有改善AZO作为TCO的性能的高潜力。
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