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

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2022 Jul 27

PMID 35889284

Authors

Maria Jose Lo Faro

Antonio Alessio Leonardi

Dario Morganti

Sabrina Conoci

Barbara Fazio

Alessia Irrera

Affiliations

Soon will be listed here.

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.

Citing Articles

Luminescent Silicon Nanowires as Novel Sensor for Environmental Air Quality Control.

Morganti D, Lo Faro M, Leonardi A, Fazio B, Conoci S, Irrera A Sensors (Basel). 2022; 22(22).

PMID: 36433351 PMC: 9698341. DOI: 10.3390/s22228755.

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