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A chessboard-like photothermoelectric cement cell: a new design for scalable and high efficiency solar energy
Mohamad Barzegar1, Guido Goracci1, Pavel Martauz2
1Centro de Física de Materiales, CSIC-UPV/EHU, Paseo Manuel de Lardizábal 5, 20018 Donostia-San Sebastián, Spain. Mohamad.barzegar@ehu.eus.
Materials Horizons
|September 12, 2025
Abstract:
A scalable, low-cost photothermoelectric (PTE) cell using cementitious blocks in a chessboard-like design with varying solar absorbance achieves up to 1.81 × 106 μJ m-2 and ∼10 mV K-1 Seebeck coefficient-among the highest for PTE materials. This highlights the potential of engineered cement for efficient solar energy harvesting in smart, sustainable infrastructure.

