Figure 4

CIGSSe solar cell coupon (a) and DLIT images at reverse bias for the CIGSSe solar cell with (b) the CBD buffer and (c) the ALD buffer. The bottom white lines are the horizontal line profiles of temperature throughout the samples.
CIGSSe solar cell coupon (a) and DLIT images at reverse bias for the CIGSSe solar cell with (b) the CBD buffer and (c) the ALD buffer. The bottom white lines are the horizontal line profiles of temperature throughout the samples.