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电化学（中英文） ›› 2017, Vol. 23 ›› Issue (2): 226-237.  doi: 10.13208/j.electrochem.161251

• 田昭武先生90大寿祝贺专辑（厦门大学 孙世刚 林昌健教授主编） • 上一篇    下一篇

通过磁控溅射金属钛生长金红石型二氧化钛纳米片阵列应用于钙钛矿太阳能电池

张囡1a, 叶美丹1a, 温晓茹1, 林昌健1,2*   

  1. 1. 厦门大学，固体表面物理化学国家重点实验室，化学化工学院化学系，福建 厦门361005；2. 厦门大学，生物仿生与软物质研究院，福建省柔性功能材料重点实验室，物理系，物理科学与技术学院，福建 厦门 361005
  • 收稿日期:2017-02-22 修回日期:2017-03-16 发布日期:2017-03-20 出版日期:2017-04-28
  • 通讯作者: Changjian Lin E-mail:cjlin@xmu.edu.cn
  • 基金资助:

    The authors gratefully acknowledge the financial supports from the National Nature Science Foundation of China (21621091,21503177, 21321062), the National Basic Research Program of China (2012CB932900), the Fundamental Research Funds for the Central Universities of China (20720150031), and the project of 111 Program (B16029).

Rutile TiO2  Nanosheet Arrays Planted on Magnetron Sputtered Ti Metal Layers for Efficient Perovskite Solar Cells

Nang Zhang1a, Meidan Ye1a, Xiaoru Wen1, Changjian Lin1,2*   

  1. 1.State Key Laboratory of Physical Chemistry of Solid Surfaces, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China  2.Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Lab for Soft Functional Materials Research, Department of Physics, College of Physical Science and Technology, Xiamen University, Xiamen 361005
  • Received:2017-02-22 Revised:2017-03-16 Online:2017-03-20 Published:2017-04-28
  • Contact: Changjian Lin E-mail:cjlin@xmu.edu.cn
  • Supported by:

    The authors gratefully acknowledge the financial supports from the National Nature Science Foundation of China (21621091,21503177, 21321062), the National Basic Research Program of China (2012CB932900), the Fundamental Research Funds for the Central Universities of China (20720150031), and the project of 111 Program (B16029).

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摘要：

本文首次通过磁控溅射方法，在FTO表面溅射一层Ti金属层，结合水热反应，原位生长TiO2纳米片阵列（TiO2 NSAs）. 经过退火处理，Ti金属层转变为致密的TiO2层，因此基于此方法制得的金红石型TiO2 NSAs与FTO基底具有很强的结合力. 与通过原子层沉积 (ALD) 以及悬涂 (SC) 法所得的另外两种TiO2致密层生长的TiO2 NSAs对比发现，基于本文所述方法制备的TiO2 NSAs作为支架层的钙钛矿太阳能电池具有最佳性能. 上述结果主要是由于该TiO2 NSAs无明显缺陷，并且在TiO2 NSAs/TiO2致密层/FTO界面接触很好. 值得注意的是，通过优化实验条件，基于此种TiO2 NSAs的钙钛矿太阳能电池的最高光电转换效率可达11.82%.

关键词: Ti金属层, TiO2纳米片阵列, 钙钛矿太阳能电池

Abstract:

In this work, vertical rutile titanium oxide (TiO2) nanosheet arrays (NSAs) were firstly hydrothermally grown on the top of thin titanium (Ti) metal layers which were loaded on fluorine doped tin oxide (FTO) substrates by the DF magnetron sputtering deposition method. After an annealing post-treatment, the Ti metal layers were transformed into the compact TiO2 layers with a strong connection between the rutile TiO2 NSAs and the FTO substrates. For comparison, the rutile TiO2 NSAs were similarly planted over two compact TiO2 layers fabricated through atomic layer deposition (ALD) and spin coating (SC) methods, respectively. When served as the scaffold layers in perovskite solar cells (PSCs), the Ti-based TiO2 NSAs showed the best cell performance due to the high quality of the TiO2 NSA nanostructure and excellent interface contacts among the TiO2 NSAs/TiO2 compact layers/FTO substrate interface. Significantly, a highest cell efficiency of 11.82% was obtained after careful modification on the organization procedures for the PSC devices.

Key words: Ti metal layer, TiO2 , nanosheet arrays, perovskite solar cells

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