Why does the SCLC test of perovskite single holes show a straight line ?It's not the n=2 region.?

18 June 2025 0 3K Report

Device structure:ITO/PEDOT:PSS/PVSK/MoO3/AG

After testing and analyzing the JV curves, it was found that most of them were a single diagonal line (n=1), and only two were relatively in line with expectations, existing in two stages (n=1 and n=2). Why does the test of single-hole devices only show the ohmic region?

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