ArticleACS omega2026
Development of a Low-Cost Microphotoreactor from Recycled Materials: Application to Nb
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
12 authors.
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Abstract
A low-cost, robust, and easy-to-operate photoreactor with automatic temperature control, achieved through heat sinks, cooling fans, a temperature sensor, and a microcontroller (Arduino Nano), was manually constructed using predominantly discarded materials, without the need for sophisticated instrumentation. The light source employed was a 3 W RGB LED lamp with infrared (IR) remote control. The electromagnetic radiation spectra (white, blue, green, and red) were determined by UV-vis spectroscopy; additionally, the irradiance and luminous flux of these radiations were evaluated. For luminous flux determination, a lux meter was developed based on a BH1750-FVI sensor coupled to the Arduino Nano. The characterizations indicated that red radiation exhibits the highest irradiance and luminous flux values when compared to blue and green radiations. The estimated cost for constructing the photoreactor was US$ 41.50, which is significantly lower than that of commercially available photoreactors, whose prices typically exceed US$ 3000.00. To validate the performance of the photoreactor, the photocatalytic degradation of methylene blue (MB) was carried out using a novel Nb
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