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

IF 2.6 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.

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化学浴沉积ZnO纳米线增强光散射性能：锌源浓度的影响

本文研究了用化学浴沉积法制备的ZnO纳米线在PET衬底上的光扩散性能。通过系统地改变锌源浓度，可以调整ZnO纳米线的形貌和光学性能。扫描电镜显示，在最佳Zn源（0.75 g和1.2 g）下生长的纳米线表现出尖锐的尖端形貌，而较高或较低Zn源由于各向同性生长或前驱体可用性不足而导致尖端较平坦。光学表征表明，在1.2 g Zn源下生长的ZnO纳米线的最大总透射率为~ 58%，散射角为53°，优于商用光学扩散器。在1.2 g Zn源下生长的纳米线，由于增强的折射率边界和优化的结构特性，透射雾度值达到98.5%。这些发现突出了ZnO纳米线作为先进光电应用的高性能光扩散器的潜力。图形抽象

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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.