The Influence of Composite Luminescent Materials Based on Graphene Oxide on the Growth and Development of Solanum lycopersicum in Greenhouses

IF 3 Q2 MATERIALS SCIENCE, COMPOSITES

Journal of Composites Science Pub Date : 2023-11-12 DOI:10.3390/jcs7110474

Mark O. Paskhin, Roman V. Pobedonostsev, Dina V. Kazantseva, Alexander V. Simakin, Irina V. Gorudko, Denis V. Yanykin, Sergey V. Gudkov

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Abstract

The effect of graphene oxide-based photoconversion covers on the growth and photosynthesis of tomatoes (Solanum lycopersicum) was investigated. Two types of photoconversion composite for covers were produced. In the first, only graphene oxide nanoparticles were used as a phosphor, and in the second, the graphene oxide nanoparticles were used jointly with europium oxide nanoparticles. The freshly prepared composites for covers had almost identical photoluminescence spectra: an intense peak in the red region and a minor peak in the blue region. It was revealed that during operation, luminescence in the red region decreased, while in the blue region it increased, probably due to the photothermal reduction of graphene oxide. It was shown that the photoconversion covers increased productivity (25%) and intensified photosynthesis (30–35%) in the tomato plants. It is suggested that the stimulation of plant growth is caused by changes in the light spectrum induced by the photoconversion covers.

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基于氧化石墨烯的复合发光材料对温室茄生长发育的影响

研究了氧化石墨烯基光转换膜对番茄生长和光合作用的影响。制备了两种覆盖层光转换复合材料。在第一个实验中，仅使用氧化石墨烯纳米粒子作为荧光粉，在第二个实验中，氧化石墨烯纳米粒子与氧化铕纳米粒子联合使用。新制备的复合材料具有几乎相同的光致发光光谱:在红色区域有一个强峰，在蓝色区域有一个小峰。结果表明，在操作过程中，红色区域的发光减少，而蓝色区域的发光增加，可能是由于氧化石墨烯的光热还原。结果表明，在番茄植株中，光能转化可提高产量(25%)和增强光合作用(30-35%)。这表明，植物生长的刺激是由光转换盖引起的光谱变化引起的。

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