Enhanced Light-Scattering Properties of Aqueous Chemical Bath Deposited ZnO Nanowires: Influence of Zinc Source Concentration

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Electronic Materials Letters Pub Date : 2025-01-18 DOI:10.1007/s13391-025-00545-z

Vinaya Kumar Arepalli, Eunyeong Yang, Choong-Heui Chung

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Abstract

This study investigates the light-diffusing capabilities of ZnO nanowires synthesized using the aqueous chemical bath deposition method on PET substrates. By systematically varying Zn source concentrations, the morphology and optical performance of ZnO nanowires were tuned. Scanning electron microscopy revealed that nanowires grown at optimal Zn sources (0.75 g and 1.2 g) exhibited sharp tip morphologies, while higher or lower Zn sources led to flatter tips due to isotropic growth or insufficient precursor availability. Optical characterization demonstrated that ZnO nanowires grown at 1.2 g of the Zn source achieved a maximum total transmittance of ~ 58% and a scattering angle of 53°, outperforming commercial optical diffusers. The transmission haze values peaked at 98.5% for nanowires grown at 1.2 g of the Zn source, attributed to the enhanced refractive index boundaries and optimized structural properties. These findings highlight the potential of ZnO nanowires as high-performance optical diffusers for advanced optoelectronic applications.

Graphical Abstract

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来源期刊

Electronic Materials Letters 工程技术-材料科学：综合

CiteScore

4.70

自引率

20.80%

发文量

审稿时长

2.3 months

期刊介绍： Electronic Materials Letters is an official journal of the Korean Institute of Metals and Materials. It is a peer-reviewed international journal publishing print and online version. It covers all disciplines of research and technology in electronic materials. Emphasis is placed on science, engineering and applications of advanced materials, including electronic, magnetic, optical, organic, electrochemical, mechanical, and nanoscale materials. The aspects of synthesis and processing include thin films, nanostructures, self assembly, and bulk, all related to thermodynamics, kinetics and/or modeling.