Development of high-efficiency Cu(InGa)Se2 thin-film solar cells fabricated by a nanoparticles based process

开发基于纳米颗粒的工艺制造的高效 Cu(InGa)Se2 薄膜太阳能电池

• 批准号: 22360006
• 负责人: YAMADA Akira
• 金额: $ 12.65万
• 依托单位: Tokyo Institute of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2010
• 资助国家: 日本
• 起止时间: 2010 至 2012
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22360006/
• 关键词: 光物性; 太陽電池; ナノ粒子; 化合物薄膜; 半導体; Cu(InGa)Se_2

In the research work, the fabrication process for Cu(InGa)Se2 (CIGS) solar cells has been developed by using a non-vacuum process, aiming at a realization of low-cost fabrication process for CIGS solar cells. In the process, nanoparticles were chemically synthesized, and then they were spray-printed/sintered to produce CIGS thin films. It was found that the Cu-In-Ga-Se nanoparticles caused small grain size and low crystallinity, resulting in low-efficiency solar cells. The crystallization velocity was increased and the large grain size was obtained when the Cu-Se and In-Se nanoparticles were used as the starting materials. Furthermore, a new approach for the quality improvement of CIS film has been developed, that is, thiourea has been applied as a binding agent and a sintering additive for the fabrication of high-quality CIS film. The fabricated CIS film exhibited a denser and larger-grain-size layer compared with the CIGS film fabricated using Cu-In-Ga-Se nanoparticles. Finally,a CIS solar cell with an efficiency of 3.5% has been successfully fabricated.

在研究工作中，采用非真空工艺开发了Cu(InGa)Se2(CIGS)太阳能电池的制造工艺，旨在实现CIGS太阳能电池的低成本制造工艺。在此过程中，纳米颗粒被化学合成，然后通过喷射印刷/烧结来生产CIGS薄膜。研究发现，Cu-In-Ga-Se纳米颗粒导致晶粒尺寸小、结晶度低，导致太阳能电池效率低。以Cu-Se和In-Se纳米颗粒为起始材料时，结晶速度加快，晶粒尺寸增大。此外，还开发了一种提高CIS薄膜质量的新方法，即使用硫脲作为粘合剂和烧结添加剂来制造高质量的CIS薄膜。与使用 Cu-In-Ga-Se 纳米颗粒制造的 CIGS 薄膜相比，制造的 CIS 薄膜表现出更致密和更大的晶粒尺寸。最终成功制作出效率为3.5%的CIS太阳能电池。

项目成果

Improvement of Film Quality in CuInSe2 Thin Films Fabricated by a Non-Vacuum

非真空制备 CuInSe2 薄膜薄膜质量的提高

• DOI: 10.1143/jjap.50.04dp12
• 发表时间: 2011
• 作者: Y. Zhang; M. Ito; T. Tamura; A. Yamada;M. Konagai
• 通讯作者: M. Konagai

Improvement of Film Quality in CIS Thin Films Fabricated by Non-vacuum

非真空制备 CIS 薄膜薄膜质量的提高

• 发表时间: 2010
• 作者: Y. Zhang; M. Ito; A. Yamada;M. Konagai
• 通讯作者: M. Konagai

化合物半導体薄膜太陽電池及びその製造方法

化合物半导体薄膜太阳能电池及其制造方法

• 发表时间: 2010

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化合物半導体薄膜作製用インク、そのインクを用いて得た化合物半導体薄膜、その化合物半導体薄膜を備える太陽電池、およびその太陽電池の製造方法

化合物半导体薄膜制造用油墨、使用该油墨得到的化合物半导体薄膜、具备该化合物半导体薄膜的太阳能电池以及太阳能电池的制造方法

• 发表时间: 2011