2021
DOI: 10.1002/adom.202101173
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A Highly Efficient Eu2+ Excited Phosphor with Luminescence Tunable in Visible Range and Its Applications for Plant Growth

Abstract: Among these aforementioned types of light, blue and red light are particularly crucial for plant growth and fruit maturity. [2] Several traditional light sources for indoor plant cultivation, including incandescent lamps, high-pressure halogen lamps, and xenon lamps, have been employed; however, they have disadvantages such as high energy consumption, short work life, and spectral mismatch. [3] Therefore, light-emitting diodes (LEDs) with benefits such as reduced energy consumption, long lifespan, spectral m… Show more

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Cited by 41 publications
(20 citation statements)
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“…Nowadays, red phosphors are attracting widespread attention for enhancing luminous efficacy in white light-emitting-diodes (WLEDs) for lighting and for artificial red light to promote plant growth. [1][2][3][4][5] The former calls for phosphors with emission maxima within 620-650 nm to compensate for the red region of the commercial WLED. 6,7 The latter needs red-to-deep-red (650-750 nm) emitting materials to meet the absorptions of chlorophylls and phytochromes.…”
Section: Introductionmentioning
confidence: 99%
“…Nowadays, red phosphors are attracting widespread attention for enhancing luminous efficacy in white light-emitting-diodes (WLEDs) for lighting and for artificial red light to promote plant growth. [1][2][3][4][5] The former calls for phosphors with emission maxima within 620-650 nm to compensate for the red region of the commercial WLED. 6,7 The latter needs red-to-deep-red (650-750 nm) emitting materials to meet the absorptions of chlorophylls and phytochromes.…”
Section: Introductionmentioning
confidence: 99%
“…Generally, chlorophyll can absorb energy from light and transform it into electronic energy, and chlorophyll is the core of light absorption during the photosynthesis process. 53 Phytochrome is an albumen in plants that mainly absorbs red and deep-red light. Phytochrome can promote plant growth, especially for the seed germination and the growth of stems and leaves.…”
Section: ■ Introductionmentioning
confidence: 99%
“…[8][9][10] Eu 2+ and Mn 2+ ions can have a certain FWHM but their emission positions tend to be located from the deep red region to NIR-I, with emission wavelengths relatively close to the short-wave direction. [11][12][13] Generally, Cr 3+ ions are widely used as near infrared emitting ions due to their tunable emission position; however, the emission spectra of Cr 3+ -doped phosphors have been reported to be mainly located in NIR-I or only a part of the spectra in NIR-II. For example, Shao developed an ultrabroadband Ga 4 GeO 8 :Cr 3+ phosphor with a near-infrared emission range of 700-1300 nm and a tunable emission band with peaks from 835 to 980 nm by varying the Cr 3+ concentration; 14 Li reported a new series of ABO 4 :Cr 3+ (A 3+ = Ga, Sc, In; B 5+ = Ta, Nb) NIR-emitting phosphors.…”
Section: Introductionmentioning
confidence: 99%