Organic Ligand Exchange: The Chiral Structure-Property Regulation of Cuprous Halides.

IF 4.3 2区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR
Inorganic Chemistry Pub Date : 2024-12-30 Epub Date: 2024-12-13 DOI:10.1021/acs.inorgchem.4c03561
Guanlei Gao, Si-Yu Xu, Xinghui Qi, Jie-Ru Yang, Peiqi Lin, Jin Chen, Xiao-Ying Huang, Ke-Zhao Du
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Abstract

The strategy of organic ligand exchange is proposed to tune the optical properties of organic-inorganic hybrid cuprous halides. In this work, the chiral ligand (S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl ((S)-Tol-BINAP) and achiral triphenylphosphine (PPh3) are introduced into cuprous halides CuX-PPh3-[(S)-Tol-BINAP] (X = Cl, Br, I) through organic ligand exchange. As a result, the mixed organic ligands can enhance second harmonic generation (SHG) and aggregation-induced emission (AIE) optical properties. Moreover, the title compounds exhibit progressively enlarged SHG effects along with heavier halogen substitution due to their stronger polarizability. In the meantime, the reduced π-π stacking interaction of the organic ligand will improve their photoluminescence quantum yield. The experimental results combined with the theoretical calculation clarify the structure-property relationship well. Furthermore, the title compounds have been developed for the application of latent fingerprint detection.

Abstract Image

有机配体交换:卤化亚铜的手性结构调控。
提出了有机配体交换策略来调整有机-无机杂化卤化亚铜的光学性质。本研究通过有机配体交换,将手性配体(S)-(-)-2,2′-双(二对甲基膦)-1,1′-联萘基((S)- toll -binap)和非手性三苯基膦(PPh3)引入到卤化亚铜CuX-PPh3-[(S)- toll -binap] (X = Cl, Br, I)中。结果表明,混合有机配体可以增强二次谐波产生(SHG)和聚集诱导发射(AIE)光学性能。此外,由于标题化合物具有较强的极化性,随着卤素取代的加重,其SHG效应逐渐增大。同时,有机配体的π-π堆叠相互作用的降低将提高它们的光致发光量子产率。实验结果与理论计算相结合,较好地阐明了结构-性能关系。此外,还开发了用于潜在指纹检测的标题化合物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Inorganic Chemistry
Inorganic Chemistry 化学-无机化学与核化学
CiteScore
7.60
自引率
13.00%
发文量
1960
审稿时长
1.9 months
期刊介绍: Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.
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KBr
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Triphenylphosphine
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KBr
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KCl
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Triphenylphosphine
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