Inverted polymer solar cells with indium sulfide electron selective layer

Annealing of indium sulfide thin films prepared at low temperature by modulated flux deposition

“…Among III-VI semiconductors, indium sulfide (In 2 S 3 ) is currently investigated due to its interesting properties in relation with the production of photovoltaic and optoelectronic devices. Indium sulfide is a photoconducting [1] and wide bandgap material, which makes it a suitable material for applications such as buffer layers in CIGS-type solar cells [2], electrodes for photochemical solar cells [3], inorganicorganic solar cells [4], green and red phosphors for television picture tubes [5] or the photocatalytic production of hydrogen [6].…”

Spray pyrolysed In2S3 thin films: A potential electron selective layer for large area inverted bulk‐heterojunction polymer solar cells

“…In our previous study, we fabricated polymer heterojunction using In 2 S 3 with In/S ratio of 1.2/8 in the precursor solution 18. This bilayer device exhibits good photo‐response compared to the single layer device employing the polymer alone which showed no photoactivity.…”

“…In our device structure, we used silver as the anode. It has already been found to serve as good positive contact 18. However when used directly over the blend, both the donor and acceptor phases come in direct contact with the anode and leads to a counter injecting behaviour for the device.…”

“…In the present work, we report the use of spray pyrolysis technique for depositing indium sulphide (In 2 S 3 ) as electron selective layer over larger areas for inverted polymer solar cells. In our earlier publication we had already reported the feasibility of spray deposited In 2 S 3 as an electron selective layer by fabricating In 2 S 3 /MEH‐PPV heterojunctions 18. An inverted bulk heterojunction configuration is tried in this work by using a blend of poly (2‐methoxy‐5‐[2′‐ethylhexyloxy]‐1,4‐phenylene vinylene) (MEH‐PPV) with [6,6] phenyl C 61 butyric acid methyl ester (PCBM).…”