C.G. Granqvist · Physica Scripta 1985 · narrative review · n=?

Spectrally Selective Coatings for Energy Efficiency and Solar Applications

Cited 107 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Narrative review of optical coatings and materials (by design analogy, not clinical CEBM)

OpenAlex W2067417685 · doi:10.1088/0031-8949/32/4/026 · record verified 2026-08-29

What was done

The author conducted a survey summarizing contemporary developments in surface coatings for solar energy applications and energy efficiency. The review covered coatings tailored for selective solar absorption in collectors, selective 8–13 μm infrared emission for passive cooling, near-infrared reflectance for reduced window solar heat gain, thermal-infrared reflectance for building heat retention, and variable transmission for dynamic smart windows.

What was found

The abstract provides no numerical data, performance metrics, or experimental measurements. It presents a qualitative functional categorization of selective optical surfaces and notes that research in the field was progressing rapidly.

Why it matters

The paper outlines the core optical mechanisms and application categories that form the foundation of modern architectural glazing and solar energy harvesting materials.

Limits

No quantitative synthesis, comparative performance values, or systematic literature search methods are reported in the abstract. As a broad narrative survey from 1985, it lacks granular experimental details and reflects early-stage materials development.

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