Synthesis of nitrogen-doped ZnO nanoparticles by RF thermal plasma

Hiragino, Yuto; Tanaka, Toshimi; Takeuchi, Hiroshi; Takeuchi, Akira; Lin, Jie; Yoshida, Toshiyuki; Fujita, Yasuhisa

doi:10.1016/j.sse.2016.01.003

Cited by 23 publications

(11 citation statements)

References 20 publications

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“…The next option is to feed zinc powder into a plasma reactor. Hiragino et al [ 26 ] synthesized nitrogen-doped ZnO nanoparticles using a medium-pressure gaseous plasma. The experimental system was almost identical to that presented in Figure 1 a, except the microwave cavity was replaced with a coil connected to a radiofrequency (RF) generator.…”

Section: Plasma Methods For Synthesizing Zno Nanoparticlesmentioning

confidence: 99%

Recent Advances in the Plasma-Assisted Synthesis of Zinc Oxide Nanoparticles

et al. 2021

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An overview of recent work on the low-temperature plasma-assisted synthesis of zinc oxide (ZnO) nanoparticles is presented and interpreted in terms of gas-phase and surface reactions with illustrated examples. The thermodynamical nonequilibrium conditions allow the formation of chemically reactive species with a potential energy of several eV, which readily interact with the Zn precursors and initiate reactions leading to the formation of nanoparticles or nanowires. The high-quality nanowires were synthesized from Zn powders only upon interaction with moderately ionized plasma in a narrow range of plasma parameters. This technique is promising for the synthesis of large quantities of nanowires with aspect ratios well above 10, but the exact range of parameters remains to be determined. Apart from the ex situ techniques, the ZnO nanoparticles can be synthesized by depositing a film of precursors (often Zn salts or Zn-containing organometallic compounds) and exposing them to oxygen plasma. This technique is useful for the synthesis of well-adherent ZnO nanoparticles on heat-sensitive objects but requires further scientific validation as it often leads to the formation of a semicontinuous ZnO film rather than nanoparticles. Both low-pressure and atmospheric plasmas are useful in converting the precursor film into ZnO nanoparticles despite completely different mechanisms.

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Section: Plasma Methods For Synthesizing Zno Nanoparticlesmentioning

confidence: 99%

Recent Advances in the Plasma-Assisted Synthesis of Zinc Oxide Nanoparticles

et al. 2021

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“…In 2016, a RF thermal plasma process is introduced to produce massively N-doped ZnO NPs. 221 The scheme of the RF thermal plasma-assisted synthesis of N-doped ZnO NPs is described in Figure 22. First of all, the gas used to generate plasma is transferred to the torch, with the cooling water system.…”

Section: Plasma Synthesis Of N-doped Zno Npsmentioning

confidence: 99%

Perspectives on plasma-assisted synthesis of N-doped nanoparticles as nanopesticides for pest control in crops

et al. 2020

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“…Nitrogen (N)-doped ZnO NPs were researched by several groups using various fabrication methods. [8][9][10] Our lab group synthesized Ndoped ZnO NPs by using a gas evaporation method. [11,12] These particles have the possibility to act as a p-type semiconductor.…”

Section: Introductionmentioning

confidence: 99%

Demonstration and Evaluation of p‐Type and n‐Type ZnO Nanoparticles‐Based Homojunction UV Light‐Emitting Diodes

Shafiqul

Deep

Lin³

et al. 2022

Physica Rapid Research Ltrs

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The world's first homojunction UV light‐emitting diode (LED) based on both p‐type and n‐type ZnO nanoparticles (NPs) is demonstrated. Nitrogen‐doped ZnO and gallium‐doped ZnO NPs are provided to fabricate p‐type and n‐type NP layers, respectively. The LEDs with the structures of p‐ZnO/GZO and p‐ZnO/n‐ZnO/GZO are fabricated. These devices show near UV electroluminescence (EL) at room temperature and emission power doubled by inserting the n‐ZnO NP layer. By comparing the results of I–V, EL and photoluminescence for LEDs, it can be confirmed that the holes inject from p‐ZnO NP layer to n‐ZnO NP layer and the mechanism of these devices are that of p‐n junction LEDs.

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Synthesis of nitrogen-doped ZnO nanoparticles by RF thermal plasma

Cited by 23 publications

References 20 publications

Recent Advances in the Plasma-Assisted Synthesis of Zinc Oxide Nanoparticles

Recent Advances in the Plasma-Assisted Synthesis of Zinc Oxide Nanoparticles

Perspectives on plasma-assisted synthesis of N-doped nanoparticles as nanopesticides for pest control in crops

Demonstration and Evaluation of p‐Type and n‐Type ZnO Nanoparticles‐Based Homojunction UV Light‐Emitting Diodes

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