Research from ultraviolet to near-infrared band covering materials based on graphene photonic crystals

Du, Weichen; Yang, Zekun; Xia, Lei; Xie, Jin; Hao, Jiong-Ju; Yang, Hong-Wei

doi:10.1007/s13204-021-01821-8

Cited by 1 publication

(2 citation statements)

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“…Multilayer materials have been extensively researched for application in heat-shielding windows in buildings, [10,11,14,48,[55][56][57] and the same principles can be adapted for thermal management in greenhouses as well. Some of the earliest multilayer systems for NIR blocking involved alternating metal and dielectric layers, [58] which can make for high costs of depositions on large surfaces like greenhouse covers.…”

Section: One-dimensional Photonic Crystalsmentioning

confidence: 99%

“…The promise of 1DPCs lies in their "customizable" optical properties, for instance, through computational optimization. [56,62,63] In particular, a recent publication [64] capitalizes on this to precisely engineer a multilayered filter composed of the materials Al 2 O 3 , ZnS, and Ag, that can transmit a spectrum optimized for maximum yield of lettuce (Lactuca sativa) through LED experiments, and simultaneously blocks NIR transmission almost entirely. Such plant-specific multilayer filters, possibly deployable as screens, could result in high individual yields for different crops grown under the same generic natural or artificial light sources.…”

Section: One-dimensional Photonic Crystalsmentioning

confidence: 99%

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Technology and Materials for Passive Manipulation of the Solar Spectrum in Greenhouses

Mishra

Stanghellini

Hemming

2023

Advanced Sustainable Systems

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Greenhouse horticulture grows increasingly important due to its ability to provide a controlled microclimate which is optimizable for highly efficient crop growth and resource use, although it may come at a significant energy and investment cost. One of the most crucial inputs in any greenhouse is sunlight, giving free energy and light for greenhouse crop growth. However, it is enormously variable, both geographically and seasonally. This review discusses materials and technologies usable in greenhouse cover and screen materials which can passively manipulate the incident sunlight to transmit a light spectrum that is ideal for crop growth, thereby improving the yield, and for greenhouse microclimate management, thereby reducing the energy usage of greenhouses. The current status of spectrum‐manipulating technology in greenhouses, developments over the last few years, some potential innovations adaptable from diverse fields to greenhouse horticulture, and the associated challenges, are discussed.

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