Among various artificial photosynthesis routes, photoelectrochemical (PEC) hydrogen (H 2)
production via water splitting and hydrocarbon generation via carbon dioxide (CO 2) …

CuGaSe2, with a band‐gap energy of 1.7 eV, is expected to be a practical material useful for
wide‐gap top cells in tandem structure solar cells. In contrast to the success of narrow‐gap …

Tandem solar cells based on crystalline silicon present a practical route toward low-cost
cells with efficiencies above 30%. Here, we evaluate a dual-junction tandem configuration …

Summary The progress of Cu (In, Ga) S 2 remains significantly limited mainly due to
photovoltage (V oc) losses in the bulk and at the interfaces. Here, via a combination of …

The rapid advancement of thin-film photovoltaic (PV) technology increases the real
possibility of large-area Si-based tandems reaching 30% efficiency, although light in these …

World-record conversion efficiency of 15.5%, which is a number independently certified by
an external accredited laboratory, was achieved on a pure-sulfide Cu (In, Ga) S 2 (CIGS) …

Photoelectrochemical water splitting from photocathodes based on wide-gap Cu (In, Ga) S2
(CIGS) thin films modified with a CdS layer and Pt nanoparticles was investigated. CIGS …

Cu (In, Ga) S 2-based solar cells are interesting tandem partners for Si or chalcopyrite solar
cells, but suffer from a low open-circuit voltage. Recently, record efficiencies have been …

Cu (In, Ga) S 2 is a promising semiconductor that offers excellent prospects for
photovoltaics. However, the performance has been plagued mostly due to large …

Abstract A high band‐gap (~ 1.55 eV) chalcopyrite compound film (CuInGaS2) was
synthesized by a precursor solution‐based coating method with an oxidation and a …