Preparation and evaluation of perovskite solar cells in the absolute atmospheric environment

Xiaohui Wang; Hojjatollah Sarvari; Hongmei Dang; Vijay Singh; Zhi Chen

doi:10.1117/12.2247659

31 October 2016 Preparation and evaluation of perovskite solar cells in the absolute atmospheric environment

Xiaohui Wang, Hojjatollah Sarvari, Hongmei Dang, Vijay Singh, Zhi Chen

Proceedings Volume 10019, Optoelectronic Devices and Integration VI; 100190B (2016) https://doi.org/10.1117/12.2247659
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Recently solid state hybrid organometal halide perovskite solar cells have become the research hotspot. We fabricated perovskite solar cells by a simple two-step method completely in the regular ambient condition without a glove box, and all materials were just stored in ambient air. The cross-section SEM image of the perovskite solar cells exhibits a well-defined layer-by-layer structure with clear interfaces. XRD pattern shows main diffraction peaks centred at 14.2° (110) and 28.5° (220), which can be assigned to the CH₃NH₃PbI₃ phase, suggesting a crystal structure, and the peak centred at 12.7° is attributed to PbI₂. Our best J_sc is 19.2 mA/cm², the best V_ocis 1.0 V, the best FF is 0.65, and the best PCE is 10.2%.

Citation Download Citation

Xiaohui Wang, Hojjatollah Sarvari, Hongmei Dang, Vijay Singh, and Zhi Chen "Preparation and evaluation of perovskite solar cells in the absolute atmospheric environment", Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 100190B (31 October 2016); https://doi.org/10.1117/12.2247659

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KEYWORDS

Perovskite

Solar cells

Scanning electron microscopy

Crystals

Transparent conductors

Coating

Gold

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