Filipino Student Invents Solar Windows Out Of Rotten Fruits and Vegetables

A student demonstrating Solar Windows made of rotten vegetables shortlisted for the James Dyson award 2020
Cr: James Dyson

AuREUS is a device created by Carvey Maigue of Mapua University and for this device, he was shortlisted for the James Dyson Award 2020. AuREUS transforms rotten products of the soil into clean and renewable electricity.

Maigue’s AuREUS system utilizes crop waste to retain stray UV light from the sun and convert it to power. What makes AuREUS unique is that unlike regular solar panels, the system operates just as well even if the device is not obtaining heat from the sun.

Application of AuREUS

His innovation was among 1,800 entries from youthful inventors and design engineers from 27 nations. The brief was straightforward: Design something that tackles an issue. Regardless of the pandemic, understudies met practically to come up with answers to worldwide issues. From every one of the competition entries, just 20 were picked to be conceivably declared as Sustainability Winner, International Winner,  or International Runners-Up by the James Dyson Foundation.

Information Technologies champions the cases of UV sequestration, adequate access to solar-powered energy (solar energy) for environmental change supporting and mitigating the local agriculture industry hit by disasters by upcycling crops that would some way or another be viewed as wastes subsequently, mitigating farmer loss.

The system is utilized for walls and windows for buildings. AuREUS devices utilize a similar technology got from the phenomena that make the Northern lights. Mr. Maigue is now arranging further use for the material and is hoping to install it in vehicles, clothes, fabrics, boats, and whole buildings.


Both AuREUS gadgets (Astralis Solar Wall and Borealis Solar Window) utilizes a similar technology from the wonders that oversee the excellent Northern and Southern lights. High energy particles are consumed by illuminating particles that re-emit them as obvious light.

A similar kind of illuminating particles (derivable from specific vegetables and fruits) were suspended in a resin substrate and is utilized as the center technology on the two devices. At the point when hit by UV light, the particles absorb and re-produce visible light along the edges because of internal reflectance.

 PV cells are put along the edges to catch the visible light discharged. The visible light captured is then changed over to DC electricity. Regulating circuits will process the outcome of the voltage to allow storage, battery charging, or direct usage of power.

The Design process of AuREUS

The notion evolved from consistent iteration and pivots from the simple notion of needing to capture UV light to better the solar energy industry and contribute to establishing a regenerative and sustainable environment. Traditional PV cells do not have the capacity to capture high energy UV light. Making better materials with such capacity has been the journey for 2017 yet prompted disappointment.

A workaround has been discovered after taking motivation from the delightful Aurora lights. Instead, of straightforwardly changing UV to electricity, it can rather be degraded first to visible light, afterward capture the photons rather utilizing ordinary PV cells. A candidate to settle the light degradation guideline is the utilization of Quantum spots.

 In 2018, quantum dot technology has been explored however end up being expensive and would take a long time to be market prepared. By some coincidence, in a dark pub motivation was drawn from gleaming neon plates when presented to blacklight.

The Year 2019 finished with a full scholarly thesis and various models proving that the idea is possible. In 2020, the chance of utilizing local vegetables and fruits as key particles for empowering the technology has been centered around. Recently, 78 kinds of local crops have been tested and 9 indicated high potential.




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