Fabrication and Characterization of Wet-Spun Ti3C2Tx MXene Fibers

Abstract

MXene fibers have attracted considerable attention for flexible electronics and wearable devices owing to their high electrical conductivity and solution processability. The morphology and electrical conductivity of wet-spun MXene fibers are strongly influenced by fabrication conditions. Continuous Ti₃C₂Tₓ MXene fibers were fabricated by wet spinning using colloidal dispersions with concentrations ranging from 25 to 80 mg mL-1. Fiber morphology and electrical conductivity were evaluated as a function of dispersion concentration. The electrical conductivity showed an increasing trend with concentration, reaching 446.06 S cm-1 for fibers prepared from the 80 mg mL-1 dispersion, compared with 58.95 S cm-1 for fibers prepared from the 25 mg mL-1 dispersion. This improvement is attributed to enhanced interflake contact and improved connectivity between MXene nanosheets at higher concentrations. Overall, the results demonstrate the successful fabrication of continuous MXene fibers across a range of dispersion concentrations and clarify the relationship between processing conditions, fiber morphology, and electrical conductivity, providing guidance for the optimization of MXene fiber fabrication for flexible electronic applications.

Keywords

• Colloidal concentration
• Electrical conductivity
• Fiber morphology
• MXene fibers
• Ti3C2Tx
• Wet spinning

Supporting Institution

The Scientific and Technological Research Council of Türkiye (TÜBİTAK)

Project Number

221M523

Ethical Statement

This study did not involve human participants or animals. Therefore, ethical committee approval was not required.

Thanks

The authors gratefully acknowledge the financial support provided by TÜBİTAK under Project No. 221M523.

Islak Eğirme Yöntemiyle Üretilen Ti3C2Tx MXene Fiberin Üretimi ve Karakterizasyonu

Abstract

MXene fiberler, yüksek elektriksel iletkenlikleri ve çözelti bazlı işlenebilirlikleri sayesinde esnek elektronikler ve giyilebilir cihazlar için önemli bir ilgi görmektedir. Islak eğirme yöntemiyle üretilen MXene fiberlerin morfolojisi ve elektriksel iletkenliği, üretim koşullarından güçlü şekilde etkilenmektedir. Bu çalışmada, 25–80 mg mL⁻¹ konsantrasyon aralığındaki kolloidal Ti₃C₂Tₓ MXene dispersiyonları kullanılarak sürekli MXene fiberler ıslak eğirme yöntemiyle üretilmiştir. Fiber morfolojisi ve elektriksel iletkenliği, dispersiyon konsantrasyonuna bağlı olarak değerlendirilmiştir. Elektriksel iletkenlik, konsantrasyonun artmasıyla birlikte yükselmiş ve 25 mg mL⁻¹ dispersiyondan üretilen fiberlerde 58.95 S cm⁻¹ iken, 80 mg mL⁻¹ dispersiyondan üretilen fiberlerde 446.06 S cm⁻¹ değerine ulaşmıştır. Bu iyileşme, yüksek konsantrasyonlarda MXene nanotabakaları arasındaki temasın ve bağlantının artmasına bağlanmaktadır. Sonuç olarak, farklı dispersiyon konsantrasyonlarında sürekli MXene fiberlerin başarıyla üretildiği gösterilmiş ve işlem koşulları, fiber morfolojisi ile elektriksel iletkenlik arasındaki ilişki ortaya konularak esnek elektronik uygulamaları için MXene fiber üretiminin optimize edilmesine yönelik yol gösterici bilgiler sunulmuştur.

Keywords

• Ti3C2Tx
• Elektriksel iletkenlik
• Mxene fiber
• Kolloidal konsantrasyon
• ıslak eğirme
• fiber morfolojisi

Supporting Institution

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK)

Project Number

221M523

Ethical Statement

Bu çalışma kapsamında insan ve/veya deney hayvanları kullanılmadığından etik kurul onayı gerekmemektedir.

Thanks

Yazarlar, bu çalışmaya sağladığı mali destekten dolayı Türkiye Bilimsel ve Teknolojik Araştırma Kurumu'na (TÜBİTAK, Proje No: 221M523) teşekkür eder.

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