To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping
Тип публикации: Journal Article
Дата публикации: 2018-04-02
scimago Q1
wos Q1
БС1
SJR: 6.799
CiteScore: 29.6
Impact factor: 18.2
ISSN: 23808195
Materials Chemistry
Chemistry (miscellaneous)
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Краткое описание
The ease of halide ion exchange in metal halide nanocrystals offers an opportunity to utilize them in a layered or tandem fashion to achieve graded bandgap films. We have now successfully suppressed the halide ion exchange by capping CsPbBr3 and CsPbI3 nanocrystals with PbSO4–oleate to create a nanostructure assembly that inhibits the exchange of anions. Absorption measurements show that the nanocrystal assemblies maintain their identity as either CsPbBr3 or CsPbI3 for several days. Furthermore, the effect of PbSO4–oleate capping on the excited state dynamics has also been elucidated. The effectiveness of PbSO4–oleate capping of lead halide perovskite nanocrystals offers new opportunities to overcome the challenges of halide ion exchange and aid toward the tandem design of perovskite light-harvesting assemblies.
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Kumar Ravi V. et al. To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping // ACS Energy Letters. 2018. Vol. 3. No. 4. pp. 1049-1055.
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Kumar Ravi V., Scheidt R. A., Nag A., Kuno M., Kamat P. V. To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping // ACS Energy Letters. 2018. Vol. 3. No. 4. pp. 1049-1055.
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TY - JOUR
DO - 10.1021/acsenergylett.8b00380
UR - https://doi.org/10.1021/acsenergylett.8b00380
TI - To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping
T2 - ACS Energy Letters
AU - Kumar Ravi, Vikash
AU - Scheidt, Rebecca A.
AU - Nag, Angshuman
AU - Kuno, Masaru
AU - Kamat, Prashant V
PY - 2018
DA - 2018/04/02
PB - American Chemical Society (ACS)
SP - 1049-1055
IS - 4
VL - 3
SN - 2380-8195
ER -
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@article{2018_Kumar Ravi,
author = {Vikash Kumar Ravi and Rebecca A. Scheidt and Angshuman Nag and Masaru Kuno and Prashant V Kamat},
title = {To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping},
journal = {ACS Energy Letters},
year = {2018},
volume = {3},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/acsenergylett.8b00380},
number = {4},
pages = {1049--1055},
doi = {10.1021/acsenergylett.8b00380}
}
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MLA
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Kumar Ravi, Vikash, et al. “To Exchange or Not to Exchange. Suppressing Anion Exchange in Cesium Lead Halide Perovskites with PbSO4–Oleate Capping.” ACS Energy Letters, vol. 3, no. 4, Apr. 2018, pp. 1049-1055. https://doi.org/10.1021/acsenergylett.8b00380.