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Title: Kraft Lignin: From Pulping Waste to Bio-Based Dielectric Polymer for Organic Field-Effect Transistors
Authors: D'Orsi, R.
Irimia, C.V.
Lucejko, J.J.
Kahraman, B.
Kanbur, Y.
Yumusak, C.
Operamolla, A.
Keywords: lignin
natural materials
organic field-effect transistors
Dielectric materials
Fourier transform infrared spectroscopy
Gas chromatography
Gate dielectrics
Gel permeation chromatography
Mass spectrometry
Nuclear magnetic resonance spectroscopy
Organic field effect transistors
Dielectric polymers
Industrial processs
Kraft lignin
Lignocellulosic biomass
Natural materials
Organic field-effect transistors
Pulping process
Pulping wastes
Issue Date: 2022
Publisher: John Wiley and Sons Inc
Abstract: Lignin is an abundant biopolymer deriving from industrial pulping processes of lignocellulosic biomass. Despite the huge amount of yearly produced lignin waste, it finds scarce application as a fine material and is usually destined to be combusted in thermochemical plants to feed, with low efficiency, other industrial processes. So far, the use of lignin in materials science is limited by the scarce knowledge of its molecular structure and properties, depending also on its isolation method. However, lignin represents an intriguing feedstock of organic material. Here, the structural and chemical-physical characteristics of two kraft lignins, L1 and L2, are analyzed. First, several molecular characterization techniques, such as attenuated total reflectance - Fourier transform infrared spectroscopy, elemental analyses, gel permeation chromatography, evolved gas analysis-mass spectrometry, UV–vis, 31P- and 13C- nuclear magnetic resonance spectroscopies are applied to get insights into their different structures and their degree of molecular degradation. Then, their efficient application as gate dielectric materials is demonstrated for organic field-effect transistors, finding the increased capacity of L1 with respect to L2 in triggering functional and efficient devices with both p-type and n-type organic semiconductor molecules. © 2022 The Authors. Advanced Sustainable Systems published by Wiley-VCH GmbH.
ISSN: 2366-7486
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Öğrenci Yayınları / Students' Publications

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