Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review
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Cool surfaceCool materialCool roofUrban heat island
Mourou, C... [et al.]. Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review. Appl. Sci. 2022, 12, 1893. [https://doi.org/10.3390/app12041893]
SponsorshipState Research Agency (AEI) of Spain; European Commission PID2019-108761RB-I00
The need to tackle the urban heat island effect demands the implementation of cool surfaces as a mitigation strategy. This study comprehensively reviews the evolution of this research field from a materials perspective. It provides a bibliometric analysis of the relevant literature using the SciMAT software processing of bibliographic records from 1995 to 2020, for the evolution of cool surfaces. The results obtained show an increased interest in the field from 2011 to 2020, particularly for roof applications, and present the scientific evolution of reflective materials. According to the materials dimension adopted by the development of the research field, the study is refined from a bibliometric analysis of 982 selected records for the analysis of five themes: (i) Pigments; (ii) Phase change materials; (iii) Retroreflective materials; (iv) Ceramic materials; and (v) Glass. These materials present promising results in terms of their solar reflectance performances in the mitigation of the urban heat island phenomenon. At the end of this review, recommendations for future studies are provided for the creation of economic and environmentally friendly materials based on waste glass recycling. This study represents a valuable contribution that provides a scientific background with regard to cool surfaces from a materials perspective for future investigations.