期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 138, 期 23, 页码 7240-7243出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b03166
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资金
- European Union [614897]
We report the nontemplated colloidal: synthesis of single crystal CsPbBr3 perovskite nanosheets with lateral sizes up to a few micrometers and with thickness of just a few unit cells (i.e.; belo-4'5 nm); hence in-the strong quantum confinement regime, by introducing short ligands (octanoic acid and octylamine)- in the synthesis together with longer ones (oleic acid and oleylamine) The lateral size is tunable by varying the ratio of shorter ligands over longer ligands, while the thickness is mainly unaffected by thiS,paraineter and stays practically constant at 3 nm in all the syntheses conducted at short-to-long ligands volumetric ratio below 0.67. Beyond this ratio, control over the thickness is lost and a multimodal thickness distribution is observed.
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