Industrial Tea Waste Biomass Derived Carbonaceous Material as Filler in Electrical Conductive Ink

Year 2025, Volume: 25 Issue: 2, 388 - 394

Gökçen Akgül

Abstract

In the development of printable electrical and electronic devices, conductive polymers, electrically conductive carbon materials, and their hybrids are topical research topics. It is possible to produce electrical conductive ink with high-performance carbon materials and to develop flexible and printable technological electrical and electronic devices using various printing methods of this ink. On the other hand, technological applications have some limitations to the widespread use of high-performance carbon materials in the electronics field; mass production is expensive, and fossil resources are used for their production. There is a need to develop alternative, clean, renewable, sustainable, and economical resources for carbon and to make them applicable to technological devices. Biomass is the only source of carbon that is renewable, sustainable, and economical. This study examined whether the carbonized material, which was developed from the tea waste biomass from tea-producing factories, could be used as filler in the preparation of conductive ink. The carbonized material prepared by catalytic pyrolysis of tea waste has been determined to have an electrical conductivity of 3.58 S/cm in ink. Although the electrical conductivity value of this ink is lower than the graphite ink (13 S/cm) , it has been found that carbonized material derived from tea waste biomass could be used as filler for the development of electrically conductive carbon ink.

Keywords

Tea waste, Carbonized material, PEDOT:PSS, Electrical conductive ink.

Endüstriyel Çay Atığı Biyokütlesinden Türetilen Karbonize Materyalin Elektriksel İletken Mürekkep Dolgu Maddesi Olarak İncelenmesi

Abstract

Yazdırılabilir elektrik/elektronik aygıtların geliştirilmesinde; iletken polimerler, elektriksel iletken karbon materyaller ve bunların hibritleri güncel araştırma konularındandır. Yüksek performans karbon malzemeler ile elektriksel iletken mürekkep hazırlanması ve bu mürekkebin çeşitli yazdırma yöntemleri kullanılarak esnek ve yazdırılabilir teknolojik elektrik/elektronik aygıtların geliştirilmesi mümkündür. Diğer yandan teknolojik uygulamalarda yüksek performans karbon malzemelerin elektronik alanında kullanımının yaygınlaşmasında bazı sınırlamaları vardır; yığın üretimlerinin pahalı olması, üretimleri için fosil kaynakların kullanımı gibi. Alternatif, temiz, yenilenebilir, sürdürülebilir ve ekonomik karbon kaynaklarına ve bunların teknolojik cihazlarda uygulanabilir olarak geliştirilmesine gereksinim vardır. Biyokütle, yenilenebilir, sürdürülebilir ve ekonomik tek karbon kaynağıdır. Bu çalışmada çay üretimi yapılan fabrikalarda ortaya çıkan çay atıkları biyokütlesinden geliştirilmiş olan karbonize materyalin iletken mürekkep hazırlanmasında dolgu materyali olarak kullanılıp kullanılamayacağı incelenmiştir. Çay atıkları biyokütlesinin katalitik pirolizi ile türetilen karbonize materyalin kullanılması ile hazırlanan mürekkebin 3,58 S/cm elektriksel iletkenlik değeri gösterdiği belirlenmiştir. Grafit ile hazırlanan mürekkebe (13 S/cm) göre düşük bir elektriksel iletkenlik değeri olsa da çay atıkları biyokütlesinden türetilen karbonize materyalin elektriksel iletken karbon mürekkep geliştirilmesine doğru dolgu materyali olarak kullanılması potansiyeli olduğu görülmüştür.

Keywords

Çay atığı, Karbonize materyal, PEDOT:PSS, elektriksel iletken mürekkep.

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