Investigating the Structure‐property Relationships of Two Cd‐based Hybrid Multifunctional Compounds with High Tc, Bright Fluorescence and Wide Band‐gap

• Published in: Chemistry : a European journal Vol. 30; no. 12; pp. e202303717 - n/a
• Main Authors: Wan, Ming‐Yang, Wang, Zhi‐Ying, Li, Qing‐Lian, Wang, Fang Xin, Liao, Juan, Wang, Li‐Juan, Tang, Yun‐Zhi, Tan, Yu‐Hui
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 26.02.2024
• Subjects: Chemical modification; Electron transfer; Emission analysis; Fluorescence; Metal distance; Molecular chains; Multifunctional materials; Phase transition; Rigidity; Semiconductor material; Fluorescence; Chemical modification; Semiconductor material; Metal distance; Phase transition
• ISSN: 0947-6539; 1521-3765; 1521-3765
• DOI: 10.1002/chem.202303717

Organic‐inorganic hybrid multifunctional materials have shown significant application in lighting and sensor fields, owing to their prominent performance and diversity structures. Herein, we synthesized two multifunctional compounds: (propyl‐quinuclidone)2CdBr4 (1) and (F‐butyl‐quinuclidone)2CdBr4 (2). By introducing light‐emitting organic cation with flexible long chain, 1 and 2 exhibit excellent transition properties and bright blue‐white fluorescence. Then, combine fluorescence lifetime and first‐principal calculation, providing evidence for the electron transfer emission. Subsequently, investigated the impact of substituent carbon chain length (methyl to butyl), structural rigidity (C−C to C−F) and halide framework (Cl to I) on the fluorescence properties. Results indicate that Cd⋅⋅⋅Cd distance and structural rigidity play an important role in fluorescence. Overall, our research provides valuable insight and example for chemical modifications enhance compound performance. Two Cd‐based hybrid multifunctional compounds with dual‐stable behavior in dielectric, high transition temperature and bright fluorescence were reported. Then, investigated the impact of substituent carbon chain length (methyl to butyl), structural rigidity (C−C to C−F), and halide framework (Cl to I) on fluorescent properties.