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离子液体巴基凝胶中硅纳米线与碳纳米管的混合平台

Hybrid Platforms of Silicon Nanowires and Carbon Nanotubes in an Ionic Liquid Bucky Gel.

作者信息

Lo Faro Maria José, Leonardi Antonio Alessio, Morganti Dario, Conoci Sabrina, Fazio Barbara, Irrera Alessia

机构信息

Department of Physics and Astronomy, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy.

CNR-IMM UoS Catania, Via Santa Sofia 64, 95123 Catania, Italy.

出版信息

Molecules. 2022 Jul 9;27(14):4412. doi: 10.3390/molecules27144412.

DOI:10.3390/molecules27144412
PMID:35889284
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9320466/
Abstract

Silicon nanowires (NWs) are appealing building blocks for low-cost novel concept devices with improved performances. In this research paper, we realized a hybrid platform combining an array of vertically oriented Si NWs with different types of bucky gels, obtained from carbon nanotubes (CNT) dispersed into an ionic liquid (IL) matrix. Three types of CNT bucky gels were obtained from imidazolium-based ionic liquids (BMIM-I, BIMI-BF, and BMIM-TfN) and semiconductive CNTs, whose structural and optical responses to the hybrid platforms were analyzed and compared. We investigated the electrical response of the IL-CNT/NW hybrid junctions in dark and under illumination for each platform and its correlation to the ionic liquid characteristics and charge mobility. The reported results confirm the attractiveness of such IL-CNT/NW hybrid platforms as novel light-responsive materials for photovoltaic applications. In particular, our best performing cell reported a short-circuit current density of 5.6 mA/cm and an open-circuit voltage of 0.53 V.

摘要

硅纳米线（NWs）是用于制造具有改进性能的低成本新颖概念器件的理想构建模块。在本研究论文中，我们实现了一个混合平台，该平台将垂直取向的硅纳米线阵列与不同类型的巴基凝胶相结合，这些巴基凝胶是由分散在离子液体（IL）基质中的碳纳米管（CNT）制成的。从基于咪唑鎓的离子液体（BMIM-I、BIMI-BF和BMIM-TfN）和半导体碳纳米管中获得了三种类型的碳纳米管巴基凝胶，并对其在混合平台上的结构和光学响应进行了分析和比较。我们研究了每个平台在黑暗和光照条件下IL-CNT/NW混合结的电响应及其与离子液体特性和电荷迁移率的相关性。所报道的结果证实了这种IL-CNT/NW混合平台作为用于光伏应用的新型光响应材料的吸引力。特别是，我们性能最佳的电池的短路电流密度为5.6 mA/cm，开路电压为0.53 V。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/1ecd0c06b0f9/molecules-27-04412-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/5c83dbe14376/molecules-27-04412-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/7d51294f153c/molecules-27-04412-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/9c9938b26951/molecules-27-04412-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/0a8dca0ce774/molecules-27-04412-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/1ecd0c06b0f9/molecules-27-04412-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/5c83dbe14376/molecules-27-04412-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/7d51294f153c/molecules-27-04412-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/9c9938b26951/molecules-27-04412-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/0a8dca0ce774/molecules-27-04412-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af27/9320466/1ecd0c06b0f9/molecules-27-04412-g005.jpg

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