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Highly Efficient Broad-Band Luminescence Involving Organic and Inorganic Molecules in a Zero-Dimensional Hybrid Lead Chloride
Yangui, Aymen; Roccanova, Rachel; Wu, Yuntao; Du, Mao-Hua; Saparov, Bayrammurad
2019-09-12
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume123Issue:36Pages:22470
SubtypeArticle
AbstractThe photophysical mechanism of ultrabright visible light emission in the zero-dimensional (OD) hybrid organic-inorganic material (HOIM), (DETA)-PbCl5 center dot H2O (DETA = diethylenetriammonium), has been studied. This compound exhibits efficient room-temperature bluish white-light (WL) emission, corroborated by a high photoluminescence quantum yield (PLQY) value of 36.8 % and a Commission Internationale de l'Eclairage (CIE) color coordinates of (0.18, 0.17). Optical investigations reveal that broad-band emission containing multiple emission centers originates from both the fluorescence of the organic molecules DETA and self-trapped excitons within the [Pb2Cl10](6-) inorganic bioctahedral dimers. Furthermore, an enhanced PLQY of up to 40.3% with an adjusted pure WL emission (CIE of (0.33, 0.34)) and a remarkable color rendering index of 90 was achieved through the incorporation of Mn2+ within (DETA)PbCl5 center dot H2O. These findings aid in understanding the photophysical properties of 0D HOIMs and preparation of new families of highly emissive materials for solid-state lighting applications.
DOI10.1021/acs.jpcc.9b05509
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26839
Collection中国科学院上海硅酸盐研究所
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GB/T 7714
Yangui, Aymen,Roccanova, Rachel,Wu, Yuntao,et al. Highly Efficient Broad-Band Luminescence Involving Organic and Inorganic Molecules in a Zero-Dimensional Hybrid Lead Chloride[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2019,123(36):22470.
APA Yangui, Aymen,Roccanova, Rachel,Wu, Yuntao,Du, Mao-Hua,&Saparov, Bayrammurad.(2019).Highly Efficient Broad-Band Luminescence Involving Organic and Inorganic Molecules in a Zero-Dimensional Hybrid Lead Chloride.JOURNAL OF PHYSICAL CHEMISTRY C,123(36),22470.
MLA Yangui, Aymen,et al."Highly Efficient Broad-Band Luminescence Involving Organic and Inorganic Molecules in a Zero-Dimensional Hybrid Lead Chloride".JOURNAL OF PHYSICAL CHEMISTRY C 123.36(2019):22470.
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