Preparation of Se-based solar cell using spin-coating method in ambient condition

• 来源期刊: 中国物理B（英文版）
• 关键词: spin-coating method selenium solar cells
• 年，卷（期）: 2018,（1）
• 页码范围: 64-67
• 页数: 4页
• 语种: 英文
• DOI: 10.1088/1674-1056/27/1/015202

摘要

A new hybrid organic-inorganic structure of FTO/TiO2/Se/HTL/Au based selenium solar cell has been fabricated through a low-cost spin-coating process in air. In this process, selenium is completely dissolved in hydrazine, to form a homogeneous precursor solution. After spin-coating the precursor solution on the TiO2 substrates, following by sintering at 200 ?C for 5min, a uniform selenium film with crystalline grains is formed. The selenium based solar cell exhibits an efficiency of 1.23％under AM1.5 illumination (100 mW·cm?2), short-circuit current density of 8 mA·cm?2, open-circuit voltage of 0.55 V, and fill factor of 0.37. Moreover, the device shows a stable ability with almost the same performance after 60 days.