Research Progress of LED Phosphors for Plant Supplemental Lighting
Plants require suitable lighting conditions for growth.However,in natural settings,plant growth is subjected to numerous uncontrollable factors such as sunlight,temperature,water availability,and others.To address the issue of unstable temperature and lighting in traditional agricultural practices,people have begun to develop factory farming.The core of factory farming for plants lies in artificial lighting sources.In recent years,plant supplemental lighting technology has been increasingly applied,and there has been a growing amount of research on the effects of light on plant growth and artificial supplemental lighting techniques.This article introduces the development history of LED plant lights,the advantages of modern LED light sources as artificial light sources in plant factories,the emission principle of LED supplemental lights,and some optical parameters mentioned in the article.It also summarizes the current research status of phosphors such as Eu2+,Eu3+,Mn4+,Cr3+,and multi-ions co-doping in plant supplemental lighting technology.Finally,an analysis of the advantages and disadvantages of the different phosphors in plant supplemental lighting technology is provided.The potential development prospects of LED phosphors in the field of plant supplemental lighting are also discussed.This offers valuable technical references for relevant researchers or institutions.
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