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PIEZORESISTIVE BEHAVIOR OF LYCRA FABRICS MODIFIED WITH MULTI-LAYER GRAPHENE VIA LIQUID-PHASE EXFOLIATION AND LAYER-BY-LAYER ASSEMBLY

Rakhimjon ShDaminovCenter for the Development of Nanotechnology, National University of Uzbekistan, Tashkent, Uzbekistan, National University of Uzbekistan, Tashkent, UzbekistanOdil OchilovCenter for the Development of Nanotechnology, National University of Uzbekistan, Tashkent, Uzbekistan, National University of Uzbekistan, Tashkent, UzbekistanMuhayyo QAMBAROVACenter for the Development of Nanotechnology, National University of Uzbekistan, Tashkent, Uzbekistan, National University of Uzbekistan, Tashkent, UzbekistanZumrad Z. Ne'matovaCenter for the Development of Nanotechnology, National University of Uzbekistan, Tashkent, Uzbekistan, National University of Uzbekistan, Tashkent, Uzbekistan

Open MINDrepository2026

ABI

Annotatsiya

This research presents a cost-effective and scalable approach for producing multi-layer graphene (MLG) via liquid-phase exfoliation using a high-speed mechanical shearing process. To prevent the re-aggregation of exfoliated graphene, carboxymethylcellulose (CMC) was utilized as a stabilizing agent. The quality and concentration of the graphene were characterized using Raman and UV–Vis spectroscopy, identifying 1000 minutes as the optimal exfoliation time for high-yield production. Furthermore, a piezoresistive textile sensor was fabricated by depositing MLG-CMC and chitosan onto Lycra fabric through a Layer-by-Layer (LbL) assembly technique. Systematic electrical testing revealed that the sheet resistance stabilizes after 23 bilayers, forming a robust conductive network. The resulting textile sensor demonstrated high sensitivity to mechanical loads, with a significant drop in resistance under compression due to increased fiber contact and network densification. This study provides a sustainable and economical pathway for the development of next-generation wearable smart electronics and pressure-sensing textiles.

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Identifikatorlar

DOI: 10.5281/zenodo.18828276

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