Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots

Light is one of the five indispensable factors for plant growth. Green houses and plant factories have advantages of growing vegetables off-season and high production. However, artificial lighting occupies most of the running cost during the operation of plant factories, and intelligent and programm...

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Autores principales:	Zilei Liu, Feng Li, Gaoxiang Huang, Jiahu Wei, Guangyu Jiang, Yan Huang, Xiao Jin, Qinghua Li
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Induced photosynthesis index light-emitting diodes photosynthetic action factor quantum dots Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/2b707a69e7474fa0b0bd611af1d8bc1c
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spelling	oai:doaj.org-article:2b707a69e7474fa0b0bd611af1d8bc1c2021-12-01T00:00:44ZSpectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots2169-353610.1109/ACCESS.2021.3054929https://doaj.org/article/2b707a69e7474fa0b0bd611af1d8bc1c2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9336694/https://doaj.org/toc/2169-3536Light is one of the five indispensable factors for plant growth. Green houses and plant factories have advantages of growing vegetables off-season and high production. However, artificial lighting occupies most of the running cost during the operation of plant factories, and intelligent and programmable light-emitting diodes (LEDs) have been considered to be used as growing lamps to save energy. Taking both the photosynthetic and the visual performances into consideration, luminescent spectrum of LEDs based on quantum dot (QD) materials is designed and optimized according to the photosynthetic action spectrum (PAS) of plants. In our calculation, the three-band QD-based LEDs (QLEDs) show a highest photosynthetic action factor (PAF) of 8.088 and a highest induced photosynthetic index (IPI) of 4.012. The four-band QLEDs show a highest PAF of 7.689 and a highest IPI of 3.818. CdZnS/ZnS and CdZnS/ZnSe QDs are also synthesized for fabricating three- and four-band QLEDs. Investigations of the photosynthetic and the vison performances on these devices are consistent with those theoretical simulation results. Both the simulation and the experimental results show that either the three- or the four-band QLEDs has better photosynthetic parameters than those of the conventional light sources. The fabricated four-band QLED under different applied current exhibits a highest PAF of 2.6942 and a highest IPI of 1.3621. For the vison performances, the four-band device demonstrate a highest CRI of 93 and a highest CCT of 2053 K. Despite the visual performances of the four-band QLEDs show improvement than those of the three-band ones, they still need to be improved to offer better visual experience for human eyes. With further investigation on the synthesis of emission tunable QD materials and the optimization of the spectrum, highly efficient QLEDs with both good photosynthetic and visual performances are expected to be applied in the field of growing lamps.Zilei LiuFeng LiGaoxiang HuangJiahu WeiGuangyu JiangYan HuangXiao JinQinghua LiIEEEarticleInduced photosynthesis indexlight-emitting diodesphotosynthetic action factorquantum dotsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 156229-156238 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Induced photosynthesis index light-emitting diodes photosynthetic action factor quantum dots Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Induced photosynthesis index light-emitting diodes photosynthetic action factor quantum dots Electrical engineering. Electronics. Nuclear engineering TK1-9971 Zilei Liu Feng Li Gaoxiang Huang Jiahu Wei Guangyu Jiang Yan Huang Xiao Jin Qinghua Li Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
description	Light is one of the five indispensable factors for plant growth. Green houses and plant factories have advantages of growing vegetables off-season and high production. However, artificial lighting occupies most of the running cost during the operation of plant factories, and intelligent and programmable light-emitting diodes (LEDs) have been considered to be used as growing lamps to save energy. Taking both the photosynthetic and the visual performances into consideration, luminescent spectrum of LEDs based on quantum dot (QD) materials is designed and optimized according to the photosynthetic action spectrum (PAS) of plants. In our calculation, the three-band QD-based LEDs (QLEDs) show a highest photosynthetic action factor (PAF) of 8.088 and a highest induced photosynthetic index (IPI) of 4.012. The four-band QLEDs show a highest PAF of 7.689 and a highest IPI of 3.818. CdZnS/ZnS and CdZnS/ZnSe QDs are also synthesized for fabricating three- and four-band QLEDs. Investigations of the photosynthetic and the vison performances on these devices are consistent with those theoretical simulation results. Both the simulation and the experimental results show that either the three- or the four-band QLEDs has better photosynthetic parameters than those of the conventional light sources. The fabricated four-band QLED under different applied current exhibits a highest PAF of 2.6942 and a highest IPI of 1.3621. For the vison performances, the four-band device demonstrate a highest CRI of 93 and a highest CCT of 2053 K. Despite the visual performances of the four-band QLEDs show improvement than those of the three-band ones, they still need to be improved to offer better visual experience for human eyes. With further investigation on the synthesis of emission tunable QD materials and the optimization of the spectrum, highly efficient QLEDs with both good photosynthetic and visual performances are expected to be applied in the field of growing lamps.
format	article
author	Zilei Liu Feng Li Gaoxiang Huang Jiahu Wei Guangyu Jiang Yan Huang Xiao Jin Qinghua Li
author_facet	Zilei Liu Feng Li Gaoxiang Huang Jiahu Wei Guangyu Jiang Yan Huang Xiao Jin Qinghua Li
author_sort	Zilei Liu
title	Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
title_short	Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
title_full	Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
title_fullStr	Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
title_full_unstemmed	Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots
title_sort	spectral design of light-emitting diodes for plant photosynthesis based on quantum dots
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/2b707a69e7474fa0b0bd611af1d8bc1c
work_keys_str_mv	AT zileiliu spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT fengli spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT gaoxianghuang spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT jiahuwei spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT guangyujiang spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT yanhuang spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT xiaojin spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots AT qinghuali spectraldesignoflightemittingdiodesforplantphotosynthesisbasedonquantumdots
_version_	1718406130112135168

Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots

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