二苯二甲酸二苯酯在室温磷光主客体系统中的多功能寄主作用。

IF 7.6 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Chemical Science Pub Date : 2025-01-07 DOI:10.1039/d4sc07768g

Martin Molkenthin, Emanuel Hupf, Boris J Nachtsheim

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引用次数: 0

摘要

我们报道了一系列二苯二甲酸二苯酯（DBIs）作为室温磷光（RTP）主客体系统的新宿主，与客体coronene12一起实现了RTP量子产率（QY）高达77%或寿命高达21.0 s。此外，利用4,4'-Br取代的DBI与15种不同的芳香客体分子形成主-客体RTP体系，将磷光发射颜色从蓝色调整为红色，并展示了宿主的多功能性。通过主-客-基质系统获得机理见解，该系统通过在非RTP发射的芳香基质中添加4,4'-Br DBI宿主（0.10 wt%）和pyrened - 10宿主（0.01 wt%）的痕量组合来显示RTP。这项工作将dbi建立为RTP主-客系统的现成的、通用的、可调的主机，提供了聚合物主机的替代方案。

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Dibenzyl isophthalates as versatile hosts in room temperature phosphorescence host-guest systems.

We report a series of dibenzyl isophthalates (DBIs) as novel hosts for room-temperature phosphorescence (RTP) host-guest systems, achieving RTP quantum yields (QY) of up to 77% or lifetimes of up to 21.0 s with the guest coronene-d ₁₂. Furthermore, a 4,4'-Br substituted DBI was used to form host-guest RTP systems with 15 different aromatic guest molecules, to tune the phosphorescence emission color from blue to red and to demonstrate the versatility of the host. Mechanistic insights were gained through a host-guest-matrix system which shows RTP by trace combinations of a 4,4'-Br DBI host (0.10 wt%) and a pyrene-d ₁₀ guest (0.01 wt%) in an otherwise non-RTP-emissive aromatic matrix. This work establishes DBIs as readily available and versatile, tunable hosts for RTP host-guest systems, posing an alternative to polymeric hosts.

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来源期刊

Chemical Science CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

14.40

自引率

4.80%

发文量

1352

审稿时长

2.1 months

期刊介绍： Chemical Science is a journal that encompasses various disciplines within the chemical sciences. Its scope includes publishing ground-breaking research with significant implications for its respective field, as well as appealing to a wider audience in related areas. To be considered for publication, articles must showcase innovative and original advances in their field of study and be presented in a manner that is understandable to scientists from diverse backgrounds. However, the journal generally does not publish highly specialized research.