Bilayer polymer solar cells prepared with transfer printing of active layers from controlled swelling/de-swelling of PDMS
2021
The organic solar cells (OSCs) have contributed a significant role in photovoltaics by improving its power conversion efficiency (PCE). We have introduced a facile method for transferring thin films to achieve polymer solar cells with stacked structures to enhance the bilayer and ternary solar cells' efficiency. By controlling the swelling/de-swelling properties of Polydimethylsiloxane (PDMS) via solvent treatment, we formed uniform organic films upon the PDMS surface and then transferred them to target substrates.This residue-free and place-lift-off transferring method appear to have great promise in increasing the efficiency of multilayer stacked thin-film OSCs.
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