可见光宽波带减反超疏玻璃的制备工艺及结构探讨

doi:10.11896/cldb.22030191

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Abstract Multiple functionality including high transmittance and self-cleaning is one of the hotspots in current study of photovoltaic glass. Using photovoltaic glass as substrate and EDTA-2Na and EDTA-4Na mixing aqueous solution as etching solution, low reflective in a wideband visible light (380—780 nm) and superhydrophobic glass has been successfully prepared by hydrothermal etching and dodecyltriethoxysilane (DTES) hydrophobic modification. The effects of hydrothermal temperature, reaction time, mixing ratio and amount of complex on the etched glass's structure and optical properties, as well as coating process of hydrophobic agent and pretreatment time on the surface wettability were investigated. When the reaction conditions are 160 ℃ 8 h and the etching agent with EDTA-2Na∶EDTA-4Na = 40%∶60%, total EDTA-nNa(0.34 mol/L) added amount = 4vol%, the reflectance is <1% among 380—780 nm band of visible light, and the total reflectance, total transmittance, haze are 0.45%, 98.85%, 0%, respectively. After modified by DTES spin coating and when the prehydrolysis time is 18 h, the glass surface shows superhydrophobic property with a water contact angle 150.86° and a sliding angle 5.9°. The surface hydrophobic modification has little influence on the antireflection performance.

Key words： antireflection superhydrophobicity hydrothermal etching ethylenediaminetetraacetic acid sodium salt (EDTA-nNa) dodecyltriethoxysilane (DTES) photovoltaic glass

Published: 25 September 2023 Online: 2023-09-18

CLC number:

TB321

Fund:Science and Technology Major Program of Fujian Province (2014HZ0005), and the Science and Technology Program of Xiamen University (XDHT2017415A).

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	ZHOU Ziji
	SUN Huihui
	WANG Qun
	CAO Wen
	ZHOU Zhonghua
	HUANG Yue

Cite this article:

ZHOU Ziji,SUN Huihui,WANG Qun, et al. Study on Engineering and Structure of a Wideband Visible Light Low Reflection and Superhydrophobic Glass[J]. Materials Reports, 2023, 37(18): 22030191-7.

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http://www.mater-rep.com/EN/10.11896/cldb.22030191 OR http://www.mater-rep.com/EN/Y2023/V37/I18/22030191

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