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Polímeros de Coordinación Conjugados Basados en Bencenohexatiol: Una Década de Avances en Alta Conductividad y

Xing Huang¹, Wei Xu^2,3

¹Future Organic Optoelectronics Research Center, Global Institute of Future Technology, Shanghai Jiao Tong University, Shanghai 200240, China.

Accounts of chemical research

|February 4, 2026

Resumen

Los polímeros de coordinación conjugados (c-CPs) basados en bencenohexatiol (BHT) exhiben una conductividad eléctrica y movilidad de carga récord. Estos materiales permiten la exploración de fenómenos cuánticos exóticos, incluida la superconductividad y las fases topológicas.

Área de la Ciencia:

Ciencia de Materiales
Física de la Materia Condensada
Química

Sus antecedentes:

Los polímeros de coordinación (CPs) y los marcos metal-orgánicos (MOFs) tradicionalmente tienen aplicaciones electrónicas limitadas debido a la pobre conductividad.
Los polímeros de coordinación conjugados (c-CPs) superan estas limitaciones al utilizar ligandos planares y conjugados para mejorar el transporte de carga.

Objetivo del estudio:

Desarrollar una nueva familia de c-CPs basada en el ligando bencenohexatiol (BHT).
Investigar las relaciones estructura-propiedad que rigen la alta conductividad y la diversa química de coordinación de los c-CPs basados en BHT.
Explorar el potencial de estos materiales para fenómenos cuánticos exóticos.

Principales métodos:

Se utilizaron estrategias sintéticas innovadoras, incluida la síntesis interfacial y la modulación redox.
Se empleó el ligando pequeño y versátil bencenohexatiol (BHT) con donantes de azufre blandos.
Se compararon los c-CPs basados en BHT con los basados en los ligandos HHTP y HATP.

Principales resultados:

Se alcanzaron conductividades metálicas récord superiores a 10^3 S·cm^-1 y movilidades de carga de hasta 400 cm^2·V^-1·s^-1.
Se sintetizaron c-CPs basados en BHT de alta cristalinidad y alta conductividad con una rica química de coordinación.
Se descubrió el primer superconductor basado en CP (Cu3BHT) y se identificaron candidatos para fases de semimetal de Weyl (Ag3BHT) y red de Kondo (CuAg4BHT).

Conclusiones:

Los c-CPs basados en BHT ofrecen una plataforma versátil para materiales electrónicos y cuánticos avanzados.
El diseño racional de ligandos y el control sintético son cruciales para la próxima generación de CPs conductores.
Estos materiales amplían las fronteras de la investigación de materiales cuánticos y las aplicaciones electrónicas.

Palabras clave:

polímeros de coordinación conjugados bencenohexatiol alta conductividad materiales cuánticos superconductividad semimetales de Weyl fases de red de Kondo

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