Sustainable Manufacturing of Fully Printed Zn/ZnO/CNT Schottky Diodes on Kraft Paper
Luís Henrique Tigre Bertoldo, Maíza Ozório, Douglas Henrique Vieira, Rogério Miranda Morais, Andrew Rollo, Jeff Kettle, Neri Alves
TL;DR
This paper presents a sustainable way to make electronic diodes on paper using zinc, zinc oxide, and carbon nanotubes, aiming to reduce electronic waste.
Contribution
The study introduces fully printed Schottky diodes on kraft paper using sustainable materials and low-temperature fabrication methods.
Findings
The diodes achieved a Schottky barrier height of 0.75 ± 0.04 eV and a rectification ratio of 1.6 × 10³.
Life cycle assessments confirmed the environmental benefits of the sustainable manufacturing approach.
Abstract
The escalating generation of electronic waste underscores the critical need for sustainable alternatives to conventional electronic technologies. Printed electronics emerge as a promising approach to address this issue by incorporating sustainable materials, implementing energy-efficient fabrication methods compatible with large-area manufacturing, and integrating end-of-life (EoL) strategies to minimize the environmental impact associated with waste management. In this work, we demonstrate fully printed Schottky diodes on kraft paper substrates fabricated using zinc (Zn) as a sustainable ohmic contact, zinc oxide (ZnO) nanoparticles as the semiconductor layer, and carbon nanotubes (CNTs) as the Schottky contact. The devices were manufactured using large area deposition processes at low-temperature and with vacuum-free printing techniques. The Cheung, Norde, and Mikhelashvili methods…
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Taxonomy
TopicsNanomaterials and Printing Technologies · Recycling and Waste Management Techniques · Advanced Sensor and Energy Harvesting Materials