Abstract Cu 2 ZnSnS 4 (CZTS) is considered a solar cell material alternative to CuInGaSe 2
(CIGS); they have almost the same performance; except for power conversion efficiency …

Copper chalcogenides (CuCh) have attracted considerable attention due to their promising
potential as environmental-friendly photoactive material for lightweight and flexible thin film …

Due to their environmental friendliness, low cost, and versatility in applications, flexible
Cu2ZnSn (S, Se) 4 (CZTSSe) solar cells have garnered significant attention in recent years …

One of the main issues that limits the efficiency of kesterite solar cells is the low diffusion and
chemical activity of selenium clusters. Here, this work proposes a simple and effective pre …

Flexible Cu2ZnSn (S, Se) 4 (CZTSSe) solar cells have the advantages of nontoxicity and low
cost, showing great commercial potential in wearable devices, indoor photovoltaics, and …

Understanding the stress-induced phenomena is essential for improving the long-term
application of flexible solar cells to non-flat surfaces. Here, we investigated the electronic …

Grain boundaries (GBs)‐triggered severe non‐radiative recombination is recently
recognized as the main culprits for carrier loss in polycrystalline kesterite photovoltaic …

Alkali metal doping plays a great role in improving the efficiency of Cu2SnZn (S, Se) 4
(CZTSSe) thin film solar cells. However, it is unclear how to realize the ideal distribution of …

The use of different Sn valence states (such as Sn4+ and Sn2+) in the Cu2ZnSn (S, Se) 4
(CZTSSe) precursor solution is especially important for the quality of the subsequent growth …

Controlling the formation of harmful defects plays an important role in obtaining high
efficiency Cu 2 ZnSn (S, Se) 4 (CZTSSe) solar cells. Here, the extra tiny Ce 3+ is used to …