Surfactant-directed growth of silver nanoparticles on porous sponges by sunlight-induced photoreduction for high-efficiency and recyclable catalytic activity

2026-08-05

PRE

Moukhtar F. Alkahki

Samar M. Mohammed

Wael Shehta

Ahmed H. Moustafa *

Samy M. Shaban *

DOI：10.1016/j.surfin.2026.110299

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Abstract

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• Tail-length-dependent Gemini surfactant engineering modulated AgNP nucleation. • Hydrophobic tail engineering systematically governed nanoparticle size distribution, surface dispersion, and colloidal stability. • A sunlight-driven in situ photoreduction strategy achieved uniform anchoring of AgNPs onto 3D sponge scaffolds. • Sponge@AgNP membranes delivered efficient and sustained catalytic reduction under batch and flow conditions. • A reusable syringe-based catalytic platform-maintained performance over 15 cycles.

Keywords:

AgNPs

Surfactant design

Surfactant-catalytic regulation

Surface activity

Antimicrobial performance

Catalytic column

Surfactant-directed growth of silver nanoparticles on porous sponges by sunlight-induced photoreduction for high-efficiency and recyclable catalytic activity

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