Name: atom probe tomography studies on the cu(in,ga)se2 grain boundaries
Uploaded: 2013-04-22T12:00:00
Description: Watch this Scientific Journal Video about Atom Probe Tomography Studies on the CuIn,GaSe2 Grain Boundaries at JoVE.com

这项工作是由德国研究基金会（DFG）（CH 943/2-1合同）成立。笔者想感谢沃尔夫冈迪图斯和斯特凡Paetel的Zentrum酒店献给Sonnenenergie和Wasserstoff-Forschung巴登 - 符腾堡州准备对这项工作的CIGS吸收层。

1。 CIGS层沉积<ol><li>溅射沉积500纳米到3mm厚的钠钙玻璃基板（SLG），钼（背接触层）。 </li><li>合作蒸发2微米的铜铟镓硒联多级CIGS工艺24。沫背接触层上沉积所得到的铜铟镓硒是图1中所示。 </li><li>测量CIGS层的组成组合物，用X-射线荧光光谱仪（XRF）。将得到的铜铟镓硒组合物示于表1。 </li></ol> 2。网站特定的样品制备APT分析<ol><li>剪切的TEM沫?...

<ol>
	<li>Stanbery, B. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Copper+indium+selenides+and+related+materials+for+photovoltaic+devices.">Copper indium selenides and related materials for photovoltaic devices.</a> Crit. Rev. Solid State. 27, 73-117 (2002).</li><li>Kemell, M., Ritala, M., Leskel&#228;, M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Thin+film+deposition+methods+for+CuInSe2+solar+cells.">Thin film deposition methods for CuInSe2 solar cells.</a> Crit. Rev. Solid State. 30, 1-31 (2005).</li><li>Kazmerski, L. 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在当前的工作中，我们提出了铜铟镓硒的随机HAGB中，化合物半导体材料，用于光伏应用APT结果。此外，我们还表明，APT结合互补的技术，如EBSD和TEM是一个功能强大的工具来阐明的CIGS太阳能电池的结构组成性能关系。不幸的是，APT和EDX / EELS在TEM之间的相关性是不可能的，因为首先，EDX / EELS有没有足够的分辨率来检测低Na和O浓度晶界其次，EDX / EELS是不敏感的所有元素，尤其是娜和O <p class="jove_c...

<html>超过二十年的，因为他们的效率高，抗辐射，长期稳定，一直在开发基于铜矿结构的化合物半导体沉积Cu（In，Ga）的硒（CIGS）作为吸收材料的薄膜太阳能电池性能和低的生产成本1-3。可以制造这些太阳能电池中，只有很少的材料消耗，由于CIGS吸收层的良好的光学性能，即，直接带隙和高吸收系数1,2。足以产生高的光吸收体膜的厚度只有几微米。由于电极的光生电荷载流子的扩散路径比较短，CIGS吸收体，可以以多晶形式。铜的最大效率（铟，镓）硒（CIGS）太阳能电池迄今取得的20.4％，这是所有薄膜太阳能电池中的最高值。 ove_content“&gt;为进一步建立的CIGS薄膜光伏技术，既降低生产成本和提高太阳能电池的效率是必不可少的，后者是强烈地依赖于CIGS吸收层的微观结构和化学组成的内部接口，在吸收塔内的特定的晶界（GBS），发挥了举足轻重的作用，因为它们可能影响运输的光生载流子。 CIGS太阳能电池方面尚未解决的主要问题之一是的良性性质CIGS GBS， 即多晶的CIGS吸收薄膜产量优秀的电池效率，尽管高密度的晶界和晶格缺陷。 几位作者研究金紫荆星章CIGS薄膜太阳能级就其电学性能5,6，性格和取向差7-9以及杂质分离10-13。但是，没有明确的联系这些properti之间ES可以成立至今。特别是，有相当大的缺乏有关本地的化学组成和晶界的杂质含量。 在过去的二十年中，原子探针断层扫描（APT）已成为一个有前途的纳米分析技术14-17。直到最近，APT的太阳能电池的研究已经在很大程度上限制在样品制备过程中的困难，并使用传统的脉冲电压的原子探针分析半导体材料的能力有限。这些限制已经在很大程度上克服的发展“升出法的基础上，聚焦离子束（FIB）铣18台 ，并引进脉冲激光APT 16。已经发表了多篇论文关于APT表征CIGS太阳能电池19-23，这是大力鼓励作进一步调查。 本文给出了如何学习内部I指引nterfaces在铜铟镓硒薄膜太阳能电池由原子探针层析成像技术。

atom probe tomography studies on the cu(in,ga)se2 grain boundaries

与已有技术相比，原子探针断层扫描是一个独特的技术，能够在纳米级，并在三维空间中的化学特性的内部接口。事实上，APT具有高灵敏度（ppm级）和高空间分辨率（子纳米）。 在这里做了相当大的努力准备包含所需的晶界结构与已知的APT尖。事实上，特定于站点的样品制备使用聚焦离子束，电子背散射衍射和透射电子显微镜相结合，提出了这项工作。这种方法允许选择晶界已知的结构和位置，铜（铟，镓）硒薄膜薄膜加以研究，原子探针断层扫描。 最后，我们讨论了使用原子探针断层扫描技术来研究晶界（铜铟，镓）硒薄膜太阳能电池的优点和缺点。

图3示出的侧视图（XZ片）元素的地图随机高角度GB（HAGB）28.5° - &lt;511&gt;通过位点特异性制备方法在图2中选择的幼崽 。使用APT，共分离的钠，钾，和O在CIGS HAGB的直接映射。最有可能在这些杂质扩散到吸收层的沉积过程中在〜600℃的CIGS层的SLG衬底 图4a示出了铜，地，镓和硒的浓度分布横跨GB 如图3所示。铜，铟，镓，...

Watch this Scientific Journal Video about Atom Probe Tomography Studies on the CuIn,GaSe2 Grain Boundaries at JoVE.com

Atom Probe Tomography Studies on the CuIn,GaSe2 Grain Boundaries

在这项工作中，我们描述了使用的原子探针层析成像技术研究中的CIGS型太阳能电池的吸收层的晶粒边界。这里也提出一种新颖的方法来准备包含所需的晶界结构与已知的原子探针提示。

原子探针层析成像研究在Cu（铟，镓）硒<sub&gt; 2</sub&gt;晶界

Compared with the existent techniques, atom probe tomography is a unique technique able to chemically characterize the internal interfaces at the ...

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Atom Probe Tomography Studies on the Cu(In,Ga)Se2 Grain Boundaries

Scanning-probe Single-electron Capacitance Spectroscopy

扫描探针单电子电容谱

The integration of low-temperature scanning-probe techniques and single-electron capacitance spectroscopy represents a powerful tool to study the ...

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Metal foams are interesting materials from both a fundamental understanding and practical applications point of view. Uses have been proposed, and in many ...

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

能量色散X射线断层摄影术对个人纳米3D元素映射

Energy dispersive X-ray spectroscopy within the scanning transmission electron microscope (STEM) provides accurate elemental analysis with high spatial ...

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer

使用超声波润滑实验一压电辅助摩擦试验机和光学轮廓

Friction and wear are detrimental to engineered systems. Ultrasonic lubrication is achieved when the interface between two sliding surfaces is vibrated at ...

The Measurement of Unsteady Surface Pressure Using a Remote Microphone Probe

非定常表面压力的使用远程麦克风探头测量

Microphones are widely applied to measure pressure fluctuations at the walls of solid bodies immersed in turbulent flows. Turbulent motions with various ...

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics

Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics

探测ç<sub&gt; 84</sub&gt; - 嵌入式硅衬底利用扫描探针显微镜和分子动力学

This paper reports an array-designed C84-embedded Si substrate fabricated using a controlled self-assembly method in an ultra-high vacuum chamber. The ...

Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy (ATOM)

Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy ATOM

微流控成像流式细胞仪通过不对称检测时间延伸光学显微镜（ATOM）

Scaling the number of measurable parameters, which allows for multidimensional data analysis and thus higher-confidence statistical results, has been the ...

In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for Cu(In,Ga)Se2 Solar Cells

In Situ Monitoring of the Accelerated Performance Degradation of Solar Cells and Modules: A Case Study for CuIn,GaSe2 Solar Cells

就地太阳能电池和模块加速性能退化的监测: 铜 (in, Ga) Se2太阳能电池的实例研究

The levelized cost of electricity (LCOE) of photovoltaic (PV) systems is determined by, among other factors, the PV module reliability. Better prediction ...

Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques

用透射显微技术制备氮化硅薄膜磁性纳米结构的研究

Electron and x-ray magnetic microscopies allow for high-resolution magnetic imaging down to tens of nanometers. However, the samples need to be prepared ...

Fabrication of Robust Nanoscale Contact between a Silver Nanowire Electrode and CdS Buffer Layer in Cu(In,Ga)Se2 Thin-film Solar Cells

Fabrication of Robust Nanoscale Contact between a Silver Nanowire Electrode and CdS Buffer Layer in CuIn,GaSe2 Thin-film Solar Cells

在 Cu(In、Ga)Se2薄膜太阳能电池中制造银纳米线电极与 CdS 缓冲层之间的强健纳米级接触

Silver nanowire transparent electrodes have been employed as window layers for Cu(In,Ga)Se2 thin-film solar cells. Bare silver nanowire electrodes ...