Potassium Doping Enhances Kesterite Thin Films

Undoped CZTS Defect-Rich

Potassium Engineering Defect Passivation

Enhanced Structural Order & Optical Performance

Toward Efficient Solar Energy Harvesting

K+ Incorporates Ion

Bath Conditions pH: 11 - 13 Volume: 100 mL

Potassium-Engineered Kesterite Thin Films ● Grain size ○ Defects ◯ Reduces ◇ Tuning

Kesterite Thin films