By Dong Zhang, ECN part of TNO – Solliance, Eindhoven; Stefan Luxembourg, ECN part of TNO, Petten, The Netherlands; Gianluca Coletti, ECN part of TNO, Petten, The Netherlands; Sjoerd Veenstra, ECN part of TNO – Solliance, Eindhoven; Bart Geerligs, ECN part of TNO, Petten, The Netherlands
Two factors have coincided to stimulate the recent spur in interest for hybrid tandem PV technology based on crystalline silicon – the fact that balance-of-system (BOS) costs are increasingly dominating turnkey system costs, which strengthens the effect of high efficiency in reducing Wp costs, and the discovery of perovskite solar cells as a promising low-cost wide-band-gap partner for crystalline silicon (c-Si). This paper presents the progress and analysis of four-terminal (4T) perovskite/c-Si tandem technology at ECN part of TNO, with perovskite technology development carried out within the Solliance research organization.
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