Characterization of Chiral Thiophene Multilayer 3D Polymers with AIE Properties for Environmental Monitoring of Chromium Ions DOI
Sai Zhang, Qingzheng Xu,

Qingkai Yuan

et al.

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: April 14, 2025

Abstract This study reports the synthesis and characterization of novel thiophene‐based multilayer 3D chiral polymers incorporating methoxy octyloxy functional groups. These exhibit unique fluorescence properties, including a pronounced aggregation‐induced emission (AIE) phenomenon at lower excitation wavelength than previously reported thiophene systems. Additionally, demonstrate remarkable sensitivity in detecting hexavalent chromium ions (Cr 6+ ), significant environmental pollutant. The interaction between Cr leads to measurable changes fluorescence, highlighting their potential for applications monitoring biosensing. Importantly, these are effective actual water, where they maintain selectivity despite presence competing metal ions. enhanced further underscores suitability real‐world applications. work contributes field emphasizes versatility advanced sensing

Language: Английский

3D Dielectric Chiral Metamaterials Achieving Nondispersive Near‐Zero Ellipticity DOI Creative Commons
Kang Du,

Lei Kang,

C.P. Li

et al.

Laser & Photonics Review, Journal Year: 2025, Volume and Issue: unknown

Published: March 22, 2025

Abstract Chiral metamaterials based on mirror‐symmetry broken resonators are engineered to achieve a strong interaction with circularly polarized (CP) waves. However, in contrast the widely‐observed enhanced circular dichroism (CD), moderate/narrow‐band optical activity (OA) responses usually seen chiral metadevices. Here, by engineering chirality parameter that determines effective refractive indices associated two CP eigenstates, three‐dimensional (3D) metamaterial consisting of 3D‐printed ceramic meta‐atoms exhibiting broadband OA nondispersive near‐zero ellipticity millimeter‐wave regime is demonstrated. With four‐fold rotational symmetry ( C 4 ), 3D dielectric shows near‐identical co‐polarized transmission magnitude but distinct phase retardations under left‐handed (LCP) and right‐handed (RCP) illumination over broad frequency range. Field analysis indicates observed behavior originates from handedness‐dependent light‐matter between Furthermore, large CD polarization conversion 2 ‐symmetry, demonstrating proposed systems’ versatility wave control. As revealed present study, coherently exploring complex parametric space offered state‐of‐the‐art fabrication techniques can become promising paradigm for sophisticated functionalities.

Language: Английский

Citations

0
Characterization of Chiral Thiophene Multilayer 3D Polymers with AIE Properties for Environmental Monitoring of Chromium Ions DOI
Sai Zhang, Qingzheng Xu,

Qingkai Yuan

et al.

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: April 14, 2025

Abstract This study reports the synthesis and characterization of novel thiophene‐based multilayer 3D chiral polymers incorporating methoxy octyloxy functional groups. These exhibit unique fluorescence properties, including a pronounced aggregation‐induced emission (AIE) phenomenon at lower excitation wavelength than previously reported thiophene systems. Additionally, demonstrate remarkable sensitivity in detecting hexavalent chromium ions (Cr 6+ ), significant environmental pollutant. The interaction between Cr leads to measurable changes fluorescence, highlighting their potential for applications monitoring biosensing. Importantly, these are effective actual water, where they maintain selectivity despite presence competing metal ions. enhanced further underscores suitability real‐world applications. work contributes field emphasizes versatility advanced sensing

Language: Английский

Citations

0