THIS PAPER INVESTIGATES CDS/CDTE SOLAR CELLS TREATED WITH VARIOUS CHLORIDE SOLUTIONS AND THEN ANNEALED IN AIR BEFORE THE DEPOSITION OF THE BACK CONTACT. IT WAS FOUND THAT THE CELLS WITH HIGHER EFFICIENCY WERE FABRICATED USING CDCL2 SOLUTION TREATMENT AND THERMAL ANNEALING. SUCH CELLS ARE FURTHER EXAMINED BY MEASURING THEIR CURRENT DENSITY VS. VOLTAGE (J-V)‚ CHARACTERISTICS AT VARIOUS TEMPERATURES‚ QUANTUM EFFICIENCY (QE)‚ AND CAPACITANCE VS. VOLTAGE(C-V) CHARACTERISTICS.