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Highly-EfficiencyFar-Red Emission inCr3+ ActivatedCa1.8Mg1.2Al2Ge3O12toward Plant PreciseLighting Yang ChaoweiZheng DongweiZou Xikun2024 год

Highly-Efficiency Far-Red Emission in Cr3+ Activated Ca1.8Mg1.2Al2Ge3O12 toward Plant Precise Lighting
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Highly-Efficiency Far-Red Emission in Cr3+ Activated Ca1.8Mg1.2Al2Ge3O12 toward Plant Precise Lighting : научное издание / C. C. Yang [et al.]. - Текст : непосредственный // Advanced Optical Materials. - 2024. - № . - ISSN 2195-1071, DOI 10.1002/adom.202303235.
Аннотация: <jats:title>Abstract</jats:title><jats:p>Far-red (FR) region (beyond 700 nm) lighting sources possess special potential for plant lighting. However, it remains a challenge to obtain high-performance Cr<jats:sup>3+</jats:sup>-doped FR phosphors. This study developed a FR phosphor, Ca<jats:sub>1.8</jats:sub>Mg<jats:sub>1.2</jats:sub>Al<jats:sub>2</jats:sub>Ge<jats:sub>3</jats:sub>O<jats:sub>12</jats:sub>:Cr<jats:sup>3+</jats:sup> (CMAGG: Cr<jats:sup>3+</jats:sup>), using the cation substitution strategy. Under 438 nm blue light excitation, the phosphors display FR emission centered at 720 nm with a full width at half maximum (FWHM) of 91 nm. Benefit from the favorable match with the FR phytochrome (P<jats:sub>fr</jats:sub>), the phosphor is combined with InGaN blue light chips to create a FR phosphor-converted light-emitting diode (pc-LED), which is used in Italian lettuce growth experiments and it results shown in a 15% increase in fresh weight and a 6.5% increase in dry weight. Notably, supplemental FR light modulated its growth morphology. The results of this study will be useful for further research on novel Cr<jats:sup>3+</jats:sup>-doped FR phosphors to meet the precise spectral requirements for plant growth.</jats:p>
Год издания: 2024
Авторы: Yang Chaowei , Zheng Dongwei , Zou Xikun , Dai Xiangyi , Tang Baoling , Molokeev Maxim S. , Zhang Xuejie , Zhang Haoran , Liu Yingliang , Lei Bingfu
Источник: Advanced Optical Materials
Держатель оригинала документа: Key Laboratory for Biobased Materials and Energy of Ministry of Education College of Materials and Energy South China Agricultural University Guangzhou Guangdong 510642 P. R. China, Maoming Branch Guangdong Laboratory for Lingnan Modern Agriculture Maoming Guangdong 525100 P. R. China, SB RAS Kirensky Inst Phys Lab Crystal Phys Krasnoyarsk 660036 Russia
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