In the modern era, growing number of indoor plants for various purposes, such as vegetation, flowering, and decorations, has increased over the traditional follow‐up trends for plantation. However, the indoor plantation requires different parameters for their growth; among these, light plays a significant role. In order to control the growth of plants using light‐emitting diodes, Mn‐doped oxide phosphors have emerged as promising candidates due to their broad and intense emission bands in the red and far‐red spectral range. In this review article, recent progress on Mn‐doped oxides for indoor plant growth has been reviewed. This review article is mainly divided into three parts. In the first part, different reaction conditions for the synthesis of Mn‐doped oxide phosphors are compared. In the second part, the luminescent and other photometric parameters of these are discussed. The influence of different co‐dopants on the luminescent characteristics has been elucidated in detail. The third part discusses the properties of light‐emitting diodes fabricated using these phosphors for plant growth. The present review article elucidates the synthesis parameters, luminescent properties, and light‐emitting diodes fabricated using Mn‐doped oxide materials for plant growth applications.

Single crystals of the NLO active lithium sulphate monohydrate were grown successfully by slow evaporation technique. The as-grown crystal was clear, transparent and the size of the crystal attained was 14 x 8 x 5 mm 3 within a period of 4 weeks. The crystal was subjected to Fourier transform infrared spectroscopy (FTIR), Thermal analysis (TG/DTA), UV-Vis analysis, mechanical and dielectric studies. Theoretical calculations for band gap energy were made. An attempt was made to calculate polarizability by Penn analysis and compare with the traditional method and results are tabulated.

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