#SUN COMMON ARRAY MANAGER WINDOWS WINDOWS#

#SUN COMMON ARRAY MANAGER WINDOWS WINDOWS#

Therefore, pursuing smart windows that dynamically adapt to variations of solar irradiance and weather conditions is essential for improving building energy efficiency ( 3). Windows represent the major source of heat gain or loss as well as of visual and thermal discomfort and are regarded as the least energy-efficient sector of building envelope. Building accounts for 30 to 40% of the total energy consumption, while around half of building energy is used for heating, ventilation, and air conditioning ( 2). This dual solar and thermal regulation mechanism may provide unidentified insights into the advancement of smart window technology.Ĭarbon neutrality before 2050 is becoming a global consensus, and more than 110 countries have committed to a diversity of measures to improve energy efficiency and reduce carbon emissions ( 1). Compared to other thermochromic technologies, the STR window reduces heat loss in cold environment while promotes heat dissipation in hot conditions, achieving efficient energy saving in all weathers. The STR window shows excellent solar modulation (58.4%) and thermal modulation (57.1%) and demonstrates effective regulation of indoor temperatures during both daytime and nighttime. A hitherto unexplored mechanism, originating from the temperature-triggered water capture and release due to pNIPAm phase transition, is exploited to achieve simultaneous regulations of solar transmission and thermal emission. Here, we develop a solar and thermal regulatory (STR) window by integrating poly( N-isopropylacrylamide) (pNIPAm) and silver nanowires (AgNWs) into pNIPAm/AgNW composites. However, such synchronous passive regulations are challenging to be integrated into one thermochromic window. Adaptive control of solar and thermal radiation through windows is of pivotal importance for building energy saving.

Sun common array manager windows