喷雾热解合成 Sr2Si5N8:Eu2+ 纳米粒子，用于增强温室光合作用的光转换薄膜

IF 3.7 3区材料科学 Q1 INSTRUMENTS & INSTRUMENTATION

Smart Materials and Structures Pub Date : 2024-07-08 DOI:10.1088/1361-665x/ad5920

Yan Wang, Lina Zhou, Lichun Cheng

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引用次数: 0

摘要

本研究对采用喷雾热解（SP）和固态合成（SSS）法合成的 Sr2Si5N8:Eu2+ 纳米粒子进行了比较分析。通过细致的表征，我们发现喷雾热解法显著提高了纳米粒子的形态和光学特性。与 SSS 法相比，SP 法生产的纳米粒子结晶度提高了 30%，发光强度提高了 25%。此外，SP 合成的颗粒所特有的介孔结构使其表面积增加了 15%，达到 124.7 m2 g-1，从而提高了光吸收能力。这些特性对于在温室环境中增强光合作用的预期应用至关重要。紫外-可见光谱证实，SP 纳米粒子具有卓越的光转换能力，对于优化光分布以促进植物生长具有显著的意义。这项研究凸显了 SP 的优势，包括易于扩展和增强的光学性能，这对农业应用至关重要。该研究强调，合成方法的选择在调整 Sr2Si5N8:Eu2+ 纳米粒子的性能以满足光学和农业技术的特定功能要求方面起着至关重要的作用。

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Spray pyrolysis synthesis of Sr2Si5N8:Eu2+ nanoparticles for light conversion film enhancing photosynthesis in greenhouses

This study presents a comparative analysis of Sr₂Si₅N₈:Eu²⁺ nanoparticles synthesized using Spray Pyrolysis (SP) and Solid-State Synthesis (SSS). Through meticulous characterization, we found that the SP method significantly enhanced the morphological and optical properties of the nanoparticles. SP-produced nanoparticles demonstrated a 30% higher crystallinity and a 25% increase in luminescence intensity compared to their SSS counterparts. Additionally, the mesoporous structure characteristic of SP-synthesized particles exhibited a 15% greater surface area, measured at 124.7 m² g⁻¹, which contributed to improved light absorption capabilities. These attributes are crucial for the intended application of enhancing photosynthesis in greenhouse environments. The UV–Visible spectra confirmed that SP nanoparticles possess superior light conversion capabilities, with notable implications for optimizing light distribution to facilitate plant growth. This research highlighted the advantages of SP, including ease of scalability and enhanced optical performance, which are pivotal for agricultural applications. The study emphasized that the choice of synthesis method played a critical role in tailoring the properties of Sr₂Si₅N₈:Eu²⁺ nanoparticles for specific functional requirements in optical and agricultural technologies.

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来源期刊

Smart Materials and Structures 工程技术-材料科学：综合

CiteScore

7.50

自引率

12.20%

发文量

317

审稿时长

3 months

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