Direct observation of hydrogen at defects in multicrystalline silicon
Direct observation of hydrogen at defects in multicrystalline silicon
复制标题
直接观察多晶硅缺陷处的氢
DOI:
10.1002/pip.3184
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Tweddle D
中科院分区:
文献类型:
--
作者:
Tweddle D
Hydrogen passivation is a key industrial technique used to reduce the recombination activity of defects in multicrystalline silicon (mc‐Si). However, not all dislocations and grain boundaries respond well to traditional hydrogen passivation techniques. In order to understand the reasons for these different behaviours, and how superior passivation might be achieved, a method is required for the direct observation of hydrogen at these defects. Here, we present a novel characterisation technique based on a combination of transmission Kikuchi diffraction (TKD), atom probe tomography (APT), and isotopic substitution that enables unambiguous detection and quantification of hydrogen atoms present at crystallographic defects in mc‐Si.
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DOI:
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