plant growth absorption spectrum mimicking light sources

Clicks: 142
ID: 220919
2015
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Abstract
Plant factories have attracted increasing attention because they can produce fresh fruits and vegetables free from pesticides in all weather. However, the emission spectra from current light sources significantly mismatch the spectra absorbed by plants. We demonstrate a concept of using multiple broad-band as well as narrow-band solid-state lighting technologies to design plant-growth light sources. Take an organic light-emitting diode (OLED), for example; the resulting light source shows an 84% resemblance with the photosynthetic action spectrum as a twin-peak blue dye and a diffused mono-peak red dye are employed. This OLED can also show a greater than 90% resemblance as an additional deeper red emitter is added. For a typical LED, the resemblance can be improved to 91% if two additional blue and red LEDs are incorporated. The approach may facilitate either an ideal use of the energy applied for plant growth and/or the design of better light sources for growing different plants.
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jou2015materialsplant Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jwo-Huei Jou;Ching-Chiao Lin;Tsung-Han Li;Chieh-Ju Li;Shiang-Hau Peng;Fu-Chin Yang;K. R. Justin Thomas;Dhirendra Kumar;Yun Chi;Ban-Dar Hsu
Journal Nature Materials
Year 2015
DOI
10.3390/ma8085240
URL
http://www.mdpi.com/1996-1944/8/8/5240
Keywords
electronics civil engineering (general)microscopydescriptive and experimental mechanics nuclear engineeringengineering (general) plant-growth lighttechnologyelectrical engineering

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