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Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells
CH(3)NH(3)PbI(3-x)Cl(x) species were fabricated as light-absorbing layers for perovskite solar cells (PSCs), by employing NH(4)I, NH(4)Br, and NH(4)Cl as additives via annealing at 100 °C for different times. Solutions containing CH(3)NH(3)I, PbI(2), and PbCl(2) (4:1:1 molar ratio) in N,N-dimethylfo...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6119872/ https://www.ncbi.nlm.nih.gov/pubmed/30104468 http://dx.doi.org/10.3390/ma11081417 |
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author | Heo, Do Yeon Luo, Zhengtang Kim, Soo Young |
author_facet | Heo, Do Yeon Luo, Zhengtang Kim, Soo Young |
author_sort | Heo, Do Yeon |
collection | PubMed |
description | CH(3)NH(3)PbI(3-x)Cl(x) species were fabricated as light-absorbing layers for perovskite solar cells (PSCs), by employing NH(4)I, NH(4)Br, and NH(4)Cl as additives via annealing at 100 °C for different times. Solutions containing CH(3)NH(3)I, PbI(2), and PbCl(2) (4:1:1 molar ratio) in N,N-dimethylformamide were used to prepare perovskites with NH(4)I, NH(4)Br, and NH(4)Cl as additives, at concentrations of 0.1 M and 0.3 M. The additives helped increase the grain size and reduce pinholes in the perovskite films, as confirmed by field-emission scanning electron microscopy. The X-ray diffraction profiles of CH(3)NH(3)PbI(3-x)Cl(x) clearly showed peaks at 14° and 28° for the samples with additives, indicative of crystallinity. The best PSC performance with a power conversion efficiency of 9.13%, was achieved using 0.1 M NH(4)I by annealing for 5 min, whereas the power conversion efficiency of the perovskite solar cells without additives was 5.40%. |
format | Online Article Text |
id | pubmed-6119872 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-61198722018-09-05 Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells Heo, Do Yeon Luo, Zhengtang Kim, Soo Young Materials (Basel) Article CH(3)NH(3)PbI(3-x)Cl(x) species were fabricated as light-absorbing layers for perovskite solar cells (PSCs), by employing NH(4)I, NH(4)Br, and NH(4)Cl as additives via annealing at 100 °C for different times. Solutions containing CH(3)NH(3)I, PbI(2), and PbCl(2) (4:1:1 molar ratio) in N,N-dimethylformamide were used to prepare perovskites with NH(4)I, NH(4)Br, and NH(4)Cl as additives, at concentrations of 0.1 M and 0.3 M. The additives helped increase the grain size and reduce pinholes in the perovskite films, as confirmed by field-emission scanning electron microscopy. The X-ray diffraction profiles of CH(3)NH(3)PbI(3-x)Cl(x) clearly showed peaks at 14° and 28° for the samples with additives, indicative of crystallinity. The best PSC performance with a power conversion efficiency of 9.13%, was achieved using 0.1 M NH(4)I by annealing for 5 min, whereas the power conversion efficiency of the perovskite solar cells without additives was 5.40%. MDPI 2018-08-13 /pmc/articles/PMC6119872/ /pubmed/30104468 http://dx.doi.org/10.3390/ma11081417 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Heo, Do Yeon Luo, Zhengtang Kim, Soo Young Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title | Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title_full | Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title_fullStr | Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title_full_unstemmed | Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title_short | Effect of Ammonium Halide Additives on the Performance of Methyl Amine Based Perovskite Solar Cells |
title_sort | effect of ammonium halide additives on the performance of methyl amine based perovskite solar cells |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6119872/ https://www.ncbi.nlm.nih.gov/pubmed/30104468 http://dx.doi.org/10.3390/ma11081417 |
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