Dear Colleagues,

Energy consumption worldwide is constantly growing, and with it, there is a pressing need to develop new materials that can tackle this demand in a sustainable way. In the building sector, it is of the utmost importance that energy consumption can be counterbalanced with the generation of renewable energy, in situ. We live in a technological world, and in this reality, nanotechnology has a major role. Indeed, the number of nanoparticle/nanodevice applications is ever-growing. The use of nanotechnology in the development of new and alternative methods for pharmaceutical, medicinal, optical engineering, biosensing, and energy applications, among others, has boosted research on new nanoparticles and nanofluids. In the energy area, nanoparticles can be found in, e.g., storage units, luminescent solar concentrators, smart windows, and heat transfer mechanisms. All of these can provide high input in society and in the construction of a sustainable energy future. Nanofluids, for example, have a largely superior performance when compared to the currently employed heat transfer liquids; as such, they are greatly promising for applications in thermal management in sectors ranging from space exploration, automotive industry, and energy storage, to medicine, including cancer therapy. Another interesting application of nanoparticles is in luminescent solar concentrators (LSCs). These devices can potentially transform a building façade into an electricity power generator. As researchers, the possibility of creating a green, sustainable, future for generations to come is in our hands.

Dr. Helena M. R. Gonçalves
Dr. Marita A. Cardoso
Guest Editors

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• nanoparticles
• nanofluids
• luminescent solar concentrators
• plasmonics
• smart window devices
• storage energy devices
• heat transfer
• sustainability