Detailed electrical characterization of nanoparticle based Cu 2 ZnSn (S x Se 1− x) 4
(CZTSSe) and Cu 2 Zn (Sn y Ge 1− y)(S x Se 1− x) 4 (CZTGeSSe) solar cells has been …

The power conversion efficiency of Cu 2 ZnSnS 4 (CZTS) solar cells is still limited by deep
defects, low minority carrier lifetime and high recombination rates at the CZTS/CdS interface …

The main aim of this work is to determine and explain the relationships between
optoelectronic properties and the sulfur anion content in Cu 2 ZnSn (S x Se 1− x) 4 solid …

The solution-based synthesis of quaternary Cu 2 ZnSnS 4 (CZTS) nanocrystals and further
processing into a homogeneous photovoltaic absorber film prove challenging due to the …

This paper reports simulations of gradual bandgap CIGS absorber and its impact on the
characteristics of a solar cell. The bandgap of the CIGS absorber varies linearly and drops …

The improvement of light trapping inside the active layer of perovskite solar cells (PSCs) was
numerically investigated. The light absorption probability was improved by incorporating …

Capacitance spectroscopy has been used to compare charge carrier and defect properties
of champion nanocrystal-ink based CZTSSe and CIGSSe solar cells, with efficiencies …

Voltage-dependent admittance spectroscopy has been applied nanocrystal-ink based
CZTSSe and CIGSSe solar cells to understand the origins of admittance signatures …

Kesterite solar cells based off of the Cu 2 ZnSn (S, Se) 4 (CZTSSe) material system are a
promising technology for earth-abundant photovoltaic applications. Thin-film absorbers …

In this work, a front graded band gap of CIGS absorber is simulated where a spatial variation
of the band gap energy decreases from a maximum value E gmax at the limit of the junction …