ArticleRSC advances2026
Photothermal carbon black coatings enable efficient solar-driven membrane distillation.
Article in RSC advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
Membrane distillation (MD) is a promising thermally driven desalination technology; however, its practical implementation remains limited by low vapor flux and pronounced temperature polarization. In this study, a thin photothermal coating composed of polyvinyl alcohol (PVA) and nanostructured carbon black (CB) was spray-deposited onto a commercial porous PTFE membrane to enhance solar-driven MD performance. The resulting PVA-CB layer exhibited strong broadband light absorption and efficient photothermal conversion in the visible-near infrared (Vis-NIR) range. Structural and optical analyses confirmed a turbostratic graphitic structure with a crystallite size of 36.3 nm, a microstrain of 3.44 × 10
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