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Inorganic Chemistry

Inorganic Chemistry

IF: 4.29
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Organic Ligand Exchange: The Chiral Structure–Property Regulation of Cuprous Halides

Published:13 December 2024 DOI: 10.1021/acs.inorgchem.4c03561 PMID: 39670802
Guanlei Gao,?Si-Yu Xu,?Xinghui Qi,?Jie-Ru Yang,?Peiqi Lin,?Jin Chen,?Xiao-Ying Huang,?Ke-Zhao Du

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.

Substances (5)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Potassium chloride 7447-40-7 KCl 1310 suppliers $6.00-$11230.00
Triphenylphosphine 603-35-0 C18H15P 807 suppliers $5.00-$2100.00
Ethanol 64-17-5 C2H6O 806 suppliers $10.00-$17310.00
Potassium bromide 7758-02-3 BrK 662 suppliers $1510.00
Cuprous iodide 7681-65-4 CuI 626 suppliers $6.00-$3780.00

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