纳米氧化锌的合成及紫外吸收能力研究

doi:10.3969/j.issn.2097-2806.2023.08.007

日用化学工业（中英文） ›› 2023, Vol. 53 ›› Issue (8): 908-914.doi: 10.3969/j.issn.2097-2806.2023.08.007

纳米氧化锌的合成及紫外吸收能力研究

谭文波^1,^*(),蒙衍强²

1.柳州职业技术学院环境与食品工程学院，广西柳州 545006
2.广西科技大学，广西柳州 545006

收稿日期:2022-08-31 修回日期:2023-07-24 出版日期:2023-08-22 发布日期:2023-08-28
通讯作者: 谭文波

Synthesis and UV absorption capacity of nano-zinc oxides

Tan Wenbo^1,^*(),Meng Yanqiang²

1. School of Environmental and Food Engineering, Liuzhou Vocational & Technical College, Liuzhou, Guangxi 545006, China
2. Guangxi University of Science and Technology, Liuzhou, Guangxi 545006, China

Received:2022-08-31 Revised:2023-07-24 Online:2023-08-22 Published:2023-08-28
Contact: Wenbo Tan

摘要/Abstract

摘要：

采用聚丙烯酰胺凝胶法（PGM）、伽马射线辐照辅助聚丙烯酰胺凝胶法（GRIAPGM）和碳颗粒辅助聚丙烯酰胺凝胶法（CPAPGM）三种不同的方法成功地合成了不同光响应能力的ZnO纳米颗粒。通过PGM和GRIAPGM合成的ZnO纳米颗粒为纯的六方结构的ZnO，空间群为P63mc（186）；而通过CPAPGM合成的ZnO纳米颗粒除包含六方结构的ZnO外，还含有少量的碳的衍射峰。经谢乐公式计算，采用PGM、GRIAPGM和CPAPGM合成的ZnO纳米颗粒的平均晶粒尺寸分别为23.86，22.73和26.47 nm，光学带隙（E_g）值分别为3.15，3.18和3.01 eV。ZnO纳米颗粒的E_g值随着晶粒尺寸的增加而减小。采用CPAPGM合成的ZnO纳米颗粒具有最宽的光响应能力，由于碳相关的杂质存在导致其可响应可见光。但采用GRIAPGM合成的ZnO纳米颗粒的颗粒细小呈球形，且颗粒尺寸均匀，具有最高的紫外光学吸收系数，可潜在应用于紫外屏蔽材料等领域。

关键词: 聚丙烯酰胺凝胶法, 氧化锌, 光学带隙

Abstract:

In this paper, nano ZnO with different photoresponsive capacities were successfully synthesized by three different methods: polyacrylamide gel method （PGM）, gamma ray irradiation-assisted polyacrylamide gel method （GRIAPGM） and carbon particle assisted polyacrylamide gel method （CPAPGM）. The ZnO sunscreens synthesized by PGM and GRIAPGM are pure hexagonal ZnO with space group P63mc （186）. However, the ZnO nanoparticles synthesized by CPAPGM contains not only hexagonal ZnO but also a small amount of carbon diffraction peak. The average grain size of ZnO nanoparticles synthesized by PGM, GRIAPGM and CPAPGM are 23.86, 22.73 and 26.47 nm, respectively, and the optical band gap （E_g） values are 3.15, 3.18 and 3.01 eV, respectively. The E_g value of ZnO nanoparticles decreases with the increase of grain size. The ZnO nanoparticles synthesized by CPAPGM have the widest photoresponse, which can respond to visible light due to the presence of carbon-related impurities. However, the particles of ZnO nanoparticles synthesized by GRIAPGM are small and spherical, and the particle size is uniform. It has the highest UV optical absorption coefficient, which can be potentially applied in the field of ultraviolet shielding materials.

Key words: polyacrylamide gel method, ZnO, optical band gap

中图分类号:

TQ658

谭文波,蒙衍强. 纳米氧化锌的合成及紫外吸收能力研究[J]. 日用化学工业（中英文）, 2023, 53(8): 908-914.

Tan Wenbo,Meng Yanqiang. Synthesis and UV absorption capacity of nano-zinc oxides[J]. China Surfactant Detergent & Cosmetics, 2023, 53(8): 908-914.

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纳米氧化锌的合成及紫外吸收能力研究

Synthesis and UV absorption capacity of nano-zinc oxides

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