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通过光化学方法吸附银纳米颗粒改善氧化锌纳米片的场电子发射性能

Improving Field Electron Emission Properties of ZnO Nanosheets with Ag Nanoparticles Adsorbed by Photochemical Method.

作者信息

Young Sheng-Joue, Liu Yi-Hsing, Chien Jen-Tse

机构信息

Department of Electronic Engineering, National Formosa University, No. 64, Wunhua Road, Huwei Township, Yunlin County 632, Taiwan.

出版信息

ACS Omega. 2018 Jul 20;3(7):8135-8140. doi: 10.1021/acsomega.8b01041. eCollection 2018 Jul 31.

DOI:10.1021/acsomega.8b01041
PMID:31458950
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6644653/
Abstract

Zinc oxide is a low cost and practical II-VI chemical material, which is utilized to absorb silver (Ag) nanoparticles (NPs) on zinc oxide nanosheets (ZnO NSs). Using the Ag NP-decorated ZnO NSs can improve the electrical characteristics of zinc oxide. Field electron emission characteristics of ZnO NSs and Ag-ZnO NSs indicate the turn-on fields were 5.3 and 3.2 V/μm in the dark, whereas the turn-on field were 4.3 and 2 V/μm under UV light, respectively. In addition, the field electron emission characteristics of ZnO NSs and Ag-ZnO NSs indicate the enhanced field enhancement factors were 3002 and 3420 in the dark and 3276 and 4815 under UV light, respectively.

摘要

氧化锌是一种低成本且实用的II-VI族化学材料，它被用于在氧化锌纳米片（ZnO NSs）上吸附银（Ag）纳米颗粒（NPs）。使用装饰有Ag NPs的ZnO NSs可以改善氧化锌的电学特性。ZnO NSs和Ag-ZnO NSs的场电子发射特性表明，在黑暗中开启场分别为5.3和3.2 V/μm，而在紫外光下开启场分别为4.3和2 V/μm。此外，ZnO NSs和Ag-ZnO NSs的场电子发射特性表明，在黑暗中增强的场增强因子分别为3002和3420，在紫外光下分别为3276和4815。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/f4428f67a244/ao-2018-01041m_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/fe9b6244a86c/ao-2018-01041m_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/3b88aa5fab64/ao-2018-01041m_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/761155a2c02d/ao-2018-01041m_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/2c4a80c1f0d2/ao-2018-01041m_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/9e886da15378/ao-2018-01041m_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/2e46c61c94af/ao-2018-01041m_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/f4428f67a244/ao-2018-01041m_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/fe9b6244a86c/ao-2018-01041m_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/3b88aa5fab64/ao-2018-01041m_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/761155a2c02d/ao-2018-01041m_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/2c4a80c1f0d2/ao-2018-01041m_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/9e886da15378/ao-2018-01041m_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/2e46c61c94af/ao-2018-01041m_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1115/6644653/f4428f67a244/ao-2018-01041m_0005.jpg

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