Improvement in Open-Circuit Voltage of Thin Film Solar
Cells from Aqueous Nanocrystals by Interface Engineering
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Abstract
In this work, improved solar cells
from aqueous CdTe NCs is achieved by replacing evaporated MoO<sub><i>x</i></sub> with spiro-OMeTAD as a hole transfer layer.
The increased <i>V</i><sub>oc</sub> and <i>J</i><sub>sc</sub> can be attributed to interfacial dipole effect and
reduced back recombination loss, respectively. A high PCE of 6.56%
for solar cells from aqueous NCs is obtained by optimizing the microstructure
further
