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Title: Thickness dependent properties of ultrathin perovskite nanosheets with Ruddlesden–Popper-like atomic stackings
Authors: Zhong, Jingxian
Sun, Yan
Liu, Bowen
Zhu, Chao
Cao, Yang
Sun, Encheng
He, Kaiyue
Zhang, Wei
Liao, Kan
Wang, Xiaoyong
Liu, Zheng
Wang, Lin
Keywords: Engineering::Materials
Issue Date: 2021
Source: Zhong, J., Sun, Y., Liu, B., Zhu, C., Cao, Y., Sun, E., He, K., Zhang, W., Liao, K., Wang, X., Liu, Z. & Wang, L. (2021). Thickness dependent properties of ultrathin perovskite nanosheets with Ruddlesden–Popper-like atomic stackings. Nanoscale, 13(45), 18961-18966.
Journal: Nanoscale 
Abstract: Ruddlesden-Popper perovskites possess a rich variety of multiple phases due to their mixed organic cations and variable layer numbers. However, the direct observation of these phases and their optical performance in ultrathin nanosheets, have rarely been reported. Here we demonstrate, through a one-pot CVD synthesis method to incorporate MA(+) and NMA(+) cations into PbI2 simultaneously, that the stackings of Ruddlesden-Popper phases with a distribution of a number of layers n can be produced within a single perovskite nanosheet. As featured by the micro-, time-resolved and temperature-dependent photoluminescence measurements, the optical properties are highly dependent on the nanosheet thickness.
ISSN: 2040-3364
DOI: 10.1039/D1NR02939H
Schools: School of Materials Science and Engineering 
Rights: © 2021 The Royal Society of Chemistry. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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