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High-Voltage, High-Current Electrical Switching Discharge Synthesis of ZnO Nanorods: A New Method toward Rapid and Highly Tunable Synthesis of Oxide Semiconductors in Open Air and Water for Optoelectronic Applications

A novel method of oxide semiconductor nanoparticle synthesis is proposed based on high-voltage, high-current electrical switching discharge (HVHC-ESD)

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Abstract:

“A novel method of oxide semiconductor nanoparticle synthesis is proposed based on high-voltage, high-current electrical switching discharge (HVHC-ESD). Through a subsecond discharge in the HVHC-ESD method, we successfully synthesized zinc oxide (ZnO) nanorods. Crystallography and optical and electrical analyses approve the high crystal-quality and outstanding optoelectronic characteristics of our synthesized ZnO. The HVHC-ESD method enables the synthesis of ZnO nanorods with ultraviolet (UV) and visible emissions. To demonstrate the effectiveness of our prepared materials, we also fabricated two UV photodetectors based on the ZnO nanorods synthesized using the subsecond HVHC-ESD method. The UV-photodetector test under dark and UV light irradiation also had a promising result with a linear ohmic current–voltage output. In addition to the HVHC-ESD method’s excellent tunability for ZnO properties, this method enables the rapid synthesis of ZnO nanorods in open air and water. The results demonstrate the preparation, highlight the synthesis of fine hexagonal-shaped nanorods under a second with controlled oxygen vacancies, and point defects for a wide range of applications in less than a second.”

Access this technical paper here. Published 09/21.

Shahab Sharifi Malvajerdi, Masoud Abrari, Vahid Karimi, Mojtaba Shafiee, Saeb Ghollamhosseini, Reza Taheri Ghahrizjani, Morteza Ahmadi, Danhao Wang, Haiding Sun, Mina Soltanmohammadi, Aref Imani, Majid Ghanaatshoar, Seyed Majid Mohseni, and Nima Taghavinia
ACS Applied Materials & Interfaces 2021 13 (39), 46951-46966
DOI: 10.1021/acsami.1c08207



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