Atom probe tomography (APT) is an analytical technique that provides quantitative three‐
dimensional elemental and isotopic analyses at sub‐nanometre resolution across the whole …

Abstract Cu (In, Ga) Se2 thin‐film solar cells have attracted significant research interest in
recent decades due to their high efficiency in converting solar energy into electricity for …

In this contribution, we show that silver substitution for copper in Cu (In, Ga) Se 2 (CIGS) to
form (Ag, Cu)(In, Ga) Se 2 (ACIGS) leads to a reduction of the voltage loss expressed as E …

Copper indium selenide chalcopyrite-structure alloys with gallium (CIGS) are unique among
the highest performing photovoltaic (PV) semiconductor technologies. They are structurally …

Cu (In, Ga)(S, Se) 2 (CIGS) thin film solar cells require appropriate depth and lateral
distributions of alkali metal dopants and gallium to attain world record photovoltaic energy …

The effects of alkali diffusion and post‐deposition treatment in three‐stage processed Cu (In,
Ga) Se2 solar cells are examined by using atom probe tomography and electrical property …

In this work, we present an exploration of deep learning models for predicting defect
properties in cubic phase semiconductors. The nature of impurity energy levels strongly …

The relative chemistry from grain interiors to grain boundaries help explain why grain
boundaries may be beneficial, detrimental or benign towards device performance. 3D …

The grain boundaries (GBs) in the absorber of a Cu (In, Ga)(S, Se) 2 (CIGS) solar cell play a
vital role in its efficiency and cells with polycrystalline absorbers exhibit high conversion …

Atom probe tomography reconstructions provide valuable information on nanometer-scale
compositional variations within materials. As such, the spatial accuracy of the …