Red Light Emitting Transition Metal Ion Doped Calcium Antimony Oxide for Plant Growth Lighting Applications

Lankamsetty Krishna Bharat, Harishkumarreddy Patnam, Alexander Sokolov, Sergey V. Gudkov () and Jae Su Yu ()
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Lankamsetty Krishna Bharat: Federal State Budgetary Scientific Institution “Federal Scientific Agroengineering Center VIM”, 1st Institutsky Proezd 5, 109428 Moscow, Russia
Harishkumarreddy Patnam: Department of Electronic Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, Yongin-si 17104, Republic of Korea
Alexander Sokolov: Federal State Budgetary Scientific Institution “Federal Scientific Agroengineering Center VIM”, 1st Institutsky Proezd 5, 109428 Moscow, Russia
Sergey V. Gudkov: Federal State Budgetary Scientific Institution “Federal Scientific Agroengineering Center VIM”, 1st Institutsky Proezd 5, 109428 Moscow, Russia
Jae Su Yu: Department of Electronic Engineering, Institute for Wearable Convergence Electronics, Kyung Hee University, Yongin-si 17104, Republic of Korea

Agriculture, 2022, vol. 12, issue 12, 1-10

Abstract: In this work, we synthesized Mn 4+ -doped CaSb 2 O 6 phosphors using the conventional solid-state reaction method for plant growth lighting applications. The morphological, structural, and optical properties were analyzed based on the results obtained from scanning electron microscope, X-ray diffraction, and spectrophotometer. The results of the spectrophotometer illustrate that the phosphors showed a red emission band in 550–800 nm wavelength range with peak maxima at 642 nm. The red emission in these phosphors is attributed to the 2 E g → 4 A 2g transition of Mn 4+ ions. The emission intensity is increased with the doping of a charge compensator. The emission range of the phosphor covers the absorption range of photosynthetic pigments such as chlorophyll a, chlorophyll b, phytochrome P r , and phytochrome P fr . The results signify that the prepared phosphor materials are suitable candidates for application in plant growth lighting.

Keywords: transition metal; charge compensator; red emission; artificial lighting; photosynthetic pigments (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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