LAUSR

Zero-dimensional organic-inorganic hybrid metal halides (0D HMHs) are considered to be promising luminescent emitters. 0D HMHs commonly exhibit self-trapped exciton (STE) emissions originating from inorganic metal halide anion units. Exploring and utilizing the emission features of organic cation units in 0D HMHs is highly desired to enrich their optical properties as multifunctional luminescent materials. Here, tunable emissions from organic and inorganic units are successfully achieved in triphenylsulfonium (Ph3 S+ )-based 0D HMHs. Notably, the integrated afterglow and STE emissions with adjustable intensities are obtained in (Ph3 S)2 Sn1-x Tex Cl6 (x = 0-1) via the delicate combination of [SnCl6 ]2- and [TeCl6 ]2- . Moreover, such a strategy can be readily extended to develop other HMH materials with intriguing optical properties. As a demonstration, 0D (Ph3 S)2 Zn1-x Mnx Cl4 (x = 0-1) are constructed to achieve integrated afterglow and Mn2+ d-d emissions with high efficiency. Consequently, these novel 0D HMHs with colorful afterglow and STE emissions have been applied in multiple anticounterfeiting applications. This article is protected by copyright. All rights reserved.