Solar light driven photochromic membranes with viologen additives in PVDF/PVP matrix

[ X ]

Tarih

2024

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Frontiers Media Sa

Erişim Hakkı

info:eu-repo/semantics/openAccess

Özet

This study explores the synthesis and characterization of photochromic Polyvinylidenefluoride/Polyvinylpyrrolidone (PVDF/PVP)-based membranes, prepared through an in situ thiol-ene click reaction by incorporating viologen derivatives with different counter ions. Viologens are well-known for their light-sensitive properties and ability to change color, making them useful in various optoelectronic applications. The membranes developed in this study exhibit significant improvements in their interactions with light as a result of improved morphology and enhanced ionic conductivity (approximate to 4 x 10-4 S cm-1) with higher porosity (Ra: 11.26-33.76 nm) compared to conventionally prepared membranes. These membranes show the ability to block almost all ultraviolet (UV) and a 90% of visible light after irradiation. Thanks to these properties, the membranes undergo visible color changes when exposed to sunlight, making them suitable for photochromic and thermochromic applications. The findings of this study could contribute to the development of innovative coating materials that enhance energy efficiency, potentially being applied to buildings, automotive windows, and other surfaces.

Açıklama

Anahtar Kelimeler

viologen, thiol-ene click reaction, photochromic membrane, energy saving, coatings

Kaynak

Frontiers in Materials

WoS Q Değeri

N/A

Scopus Q Değeri

Q2

Cilt

11

Sayı

Künye