Ventanas inteligentes: Aplicaciones a la eficiencia energética en el diseño arquitectónico de fachadas

Windows are indispensable elements for regulating natural light in buildings, necessary for occupational health. They also control the radiation flow that determines the internal temperature of a room and, therefore, the use of air conditioners. A smart window is a system that modulates its optical and thermal properties through an external stimulus to regulate the passage of solar energy.

Among the most promising developments are thermochromic windows, which have great potential to combine architectural design with carbon footprint reduction. One of their technological limitations is their color, which varies from brown-transparent to blue-opaque when heated. The challenge is then to maintain an energy-stable and inexpensive thermochromic system while producing different colors that allow them to be incorporated into the façade design. Incorporating an aesthetic point of view based on architectural design would promote its use as color-stained glass or a smart window system

Smart windows based on nanoparticles of tungsten doped with vanadium dioxide, which typically exhibits a semiconductor metal transition at a critical temperature lower than 68°C. At this transition, it increases reflection in the infrared range of the solar spectrum, preventing internal warming of the building without sacrificing its illumination. To bring the transition temperature closer to the room temperature, tungsten doping levels between 0.05 and 2% by weight are required.

We propose a thermochromic window that combines tungsten doped with vanadium oxide and liquid crystals in a polymeric matrix. This mixture can be laminated or used as a coating on glass substrates, generating different colors that, together with the self-regulating capacity of vanadium-based dioxides, offer great potential for architectural design and the reduction of energy consumption in buildings

Desarrollar ventanas inteligentes que permitan modular el espectro visible e infrarrojo y posibiliten el diseño de fachadas arquitectónicas multicolores y el ahorro energético por medio de la síntesis de películas delgadas con anopartículas de óxido de vanadio termocrómico y cristales líquidos termotrópicos embebidas en matrices poliméricas

Escuela de física: Física experimental y física experimental aplicada a otras áreas.
Escuela de Química: Soluciones químicas para el desarrollo y soluciones de la Ingeniería ambiental para el desarrollo.