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Novel growth techniques for the deposition of high-quality perovskite thin films [Article]

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dc.contributor.author Ng, Annie
dc.contributor.author Ren, Zhiwei
dc.contributor.author Li, Gang
dc.contributor.author Djurišić, Aleksandra B.
dc.contributor.author Surya, Charles
dc.date.accessioned 2019-08-28T08:46:02Z
dc.date.available 2019-08-28T08:46:02Z
dc.date.issued 2018-02-23
dc.identifier.citation Surya, C., Li, G., Djurišic, A. B., Ng, A., & Ren, Z. (2018). Novel growth techniques for the deposition of high-quality perovskite thin films. In F. H. Teherani, D. C. Look, & D. J. Rogers (Eds.), Oxide-based Materials and Devices IX. SPIE. https://doi.org/10.1117/12.2302468 en_US
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/4152
dc.description https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10533/105331Y/Novel-growth-techniques-for-the-deposition-of-high-quality-perovskite/10.1117/12.2302468.full?tab=ArticleLink en_US
dc.description.abstract We present investigations on the growth of high quality CH3NH3PbI3 (MAPI) thin films using both vapor and solution techniques. Recent work on perovskite film growth indicates critical dependencies of the film quality on the nucleation and crystallization steps requiring: i.) uniform distribution of nucleation sites; and ii.) optimal crystallization rate that facilitates the growth of a compact, continuous film with low density of pinholes. Our work shows that the hybrid chemical vapor deposition technique (HCVD) technique is well suited for the deposition of evenly distributed nucleation sites and the optimization of the crystallization rate of the film through detailed monitoring of the thermal profile of the growth process. Signficant reduction in the defect states is recorded by annealing the perovskite films in O2. The results are consistent with theoretical studies by Yin et al.1 on O and Cl passivation of the shallow states at the grain boundary of MAPI. Their work provides the theoretical basis for our experimental observations on the passivation of shallow states by oxygen annealing. High quality films were achieved through detailed management of the carrier gas composition and the thermal profile of the nucleation and crystallization steps. en_US
dc.language.iso en en_US
dc.publisher Society of Photo-Optical Instrumentation Engineers en_US
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject high efficiency perovskite solar cells, en_US
dc.subject hybrid chemical vapor deposition en_US
dc.subject oxygen annealing en_US
dc.subject Perovskite Thin Films en_US
dc.title Novel growth techniques for the deposition of high-quality perovskite thin films [Article] en_US
dc.type Article en_US
workflow.import.source science

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