Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide.
Namyoung Ahn
1
,
Dae Yong Son
2
,
In Hyuk Jang
2
,
SEONG MIN KANG
1
,
Mansoo Choi
1
,
Nam-Gyu Park
2
Publication type: Journal Article
Publication date: 2015-07-06
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
26125203
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
High efficiency perovskite solar cells were fabricated reproducibly via Lewis base adduct of lead(II) iodide. PbI2 was dissolved in N,N-dimethyformamide with equimolar N,N-dimethyl sulfoxide (DMSO) and CH3NH3I. Stretching vibration of S═O appeared at 1045 cm(-1) for bare DMSO, which was shifted to 1020 and 1015 cm(-1) upon reacting DMSO with PbI2 and PbI2 + CH3NH3I, respectively, indicative of forming the adduct of PbI2·DMSO and CH3NH3I·PbI2·DMSO due to interaction between Lewis base DMSO and/or iodide (I(-)) and Lewis acid PbI2. Spin-coating of a DMF solution containing PbI2, CH3NH3I, and DMSO (1:1:1 mol %) formed a transparent adduct film, which was converted to a dark brown film upon heating at low temperature of 65 °C for 1 min due to removal of the volatile DMSO from the adduct. The adduct-induced CH3NH3PbI3 exhibited high charge extraction characteristics with hole mobility as high as 3.9 × 10(-3) cm(2)/(V s) and slow recombination rate. Average power conversion efficiency (PCE) of 18.3% was achieved from 41 cells and the best PCE of 19.7% was attained via adduct approach.
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Ahn N. et al. Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide. // Journal of the American Chemical Society. 2015. Vol. 137. No. 27. pp. 8696-8699.
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Ahn N., Son D. Y., Jang I. H., KANG S. M., Choi M., Park N. Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide. // Journal of the American Chemical Society. 2015. Vol. 137. No. 27. pp. 8696-8699.
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TY - JOUR
DO - 10.1021/jacs.5b04930
UR - https://doi.org/10.1021/jacs.5b04930
TI - Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide.
T2 - Journal of the American Chemical Society
AU - Ahn, Namyoung
AU - Son, Dae Yong
AU - Jang, In Hyuk
AU - KANG, SEONG MIN
AU - Choi, Mansoo
AU - Park, Nam-Gyu
PY - 2015
DA - 2015/07/06
PB - American Chemical Society (ACS)
SP - 8696-8699
IS - 27
VL - 137
PMID - 26125203
SN - 0002-7863
SN - 1520-5126
ER -
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@article{2015_Ahn,
author = {Namyoung Ahn and Dae Yong Son and In Hyuk Jang and SEONG MIN KANG and Mansoo Choi and Nam-Gyu Park},
title = {Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide.},
journal = {Journal of the American Chemical Society},
year = {2015},
volume = {137},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/jacs.5b04930},
number = {27},
pages = {8696--8699},
doi = {10.1021/jacs.5b04930}
}
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Ahn, Namyoung, et al. “Highly Reproducible Perovskite Solar Cells with Average Efficiency of 18.3% and Best Efficiency of 19.7% Fabricated via Lewis Base Adduct of Lead(II) Iodide..” Journal of the American Chemical Society, vol. 137, no. 27, Jul. 2015, pp. 8696-8699. https://doi.org/10.1021/jacs.5b04930.