Semiconductor carbon-nitrogen nanomaterials based on interpolyelectrolyte complex sodium lignosulfonate-chitosan

IF 1.7 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Journal of Wood Chemistry and Technology Pub Date : 2022-06-01 DOI:10.1080/02773813.2022.2080224

N. Gorshkova, I. Palamarchuk, O. Brovko, A. Volkov, A. Malkov, N. Bogdanovich, A. Ivakhnov, D. Chukhchin

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引用次数: 1

Abstract

Abstract This article was aimed at synthesizing new carbon-nitrogen nanomaterial from lignosulfonate/ chitosan (LS/CT) system via carbonization. The effect of LS molecular weight on the amount of nitrogen in the carbonizates, textural characteristics of carbon-nitrogen nanomaterials and their electrical properties was established by a variety of methods (SEM, AFM, BET, X-ray, IR, and dielectric spectroscopy). Structure of carbon-nitrogen nanomaterial is fractal with a high specific surface area (378–460 m2/g) and a significant pore volume (0.33–0.48 cm3). The electrical conductivity increases with an increase in the degree of disorder in the structure of carbon-nitrogen nanomaterial and correlates with the quantitative nitrogen content in the sample. The maximum electrical conductivity value was obtained for the sample with molecular weight of LS 67 kDa and is 0.71•10−7 S/cm. This study provides a novel method for the development of highly conductive carbon-nitrogen nanomaterials based on low-cost biopolymers that hold promise for a variety of practical applications.

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基于木质素磺酸钠-壳聚糖互聚电解质复合物的半导体碳氮纳米材料

摘要以木质素磺酸酯/壳聚糖（LS/CT）体系为原料，经炭化合成了新型碳氮纳米材料。通过多种方法（SEM、AFM、BET、X射线、IR和介电光谱）确定了LS分子量对碳化物中氮含量、碳氮纳米材料的结构特征及其电学性能的影响。碳氮纳米材料的结构是分形的，具有高比表面积（378–460 m2/g）和显著的孔隙体积（0.33–0.48 cm3）。电导率随着碳氮纳米材料结构无序程度的增加而增加，并与样品中的定量氮含量相关。获得了分子量为LS 67的样品的最大电导率值 kDa，为0.71•10−7 S/cm。这项研究为开发基于低成本生物聚合物的高导电碳氮纳米材料提供了一种新方法，有望在各种实际应用中发挥作用。

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来源期刊

Journal of Wood Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

3.70

自引率

20.00%

发文量

审稿时长

3 months

期刊介绍： The Journal of Wood Chemistry and Technology (JWCT) is focused on the rapid publication of research advances in the chemistry of bio-based materials and products, including all aspects of wood-based polymers, chemicals, materials, and technology. JWCT provides an international forum for researchers and manufacturers working in wood-based biopolymers and chemicals, synthesis and characterization, as well as the chemistry of biomass conversion and utilization. JWCT primarily publishes original research papers and communications, and occasionally invited review articles and special issues. Special issues must summarize and analyze state-of-the-art developments within the field of biomass chemistry, or be in tribute to the career of a distinguished researcher. If you wish to suggest a special issue for the Journal, please email the Editor-in-Chief a detailed proposal that includes the topic, a list of potential contributors, and a time-line.