“…2e). Perhaps, low density polyethylene can be the [33], 2D emitter (2013) [18], 1D emitter (2014) [6], metamaterial (MM) (2015) [31], polymer (2015) [17], 1D emitter (2016) [24], metasurface (2017) [32], MM (2017) [7], NPM (2017) [20], polymer (2017) [35], 2D emitter (2018) [30], polymer (2018) [8], NPM (2018) [21], metasurface (2018) [103], 1D emitter (2018) [29], Al 2 O 3 (2019) [36]. EH ¼ energy harvesting, CC ¼ cryogenic cooling, BC ¼ building cooling, PC ¼ photovoltaic cooling, NPM ¼ nanoparticle mixture material.…”