From Event: SPIE Optics + Photonics for Sustainable Energy, 2016
Oleylamine is used as a passivating layer instead of commercial high temperature SiNx. Oleylamine coating applied on the n-type emitter side with p-type base polycrystalline silicon solar cells at room temperature using a simple spin coating method. It has been observed that there is 16% increase in efficiency after Oleylamine coating. Further, the solar cell was subjected to standard characterization namely current-voltage measurement for electrical parameters and Fourier transform infrared spectroscopy to understand the interaction of emitter surface and passivating Oleylamine. However, the passivation layer is not stable due to the reaction between Oleylamine and ambient air content such as humidity and carbon dioxide. This degradation can be prevented with suitable overcoating.
Onkar S. Shinde, Adinath M. Funde, Sandesh R. Jadkar, Rajiv O. Dusane, Neelkanth G. Dhere, and Subhash V. Ghaisas, "Reliability and efficacy of organic passivation for polycrystalline silicon solar cells at room temperature," Proc. SPIE 9938, Reliability of Photovoltaic Cells, Modules, Components, and Systems IX, 99380G (Presented at SPIE Optics + Photonics for Sustainable Energy: August 29, 2016; Published: 26 September 2016); https://doi.org/10.1117/12.2237414.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon