%0 Journal Article %1 kakavelakis2018extending %A Kakavelakis, George %A Paradisanos, Ioannis %A Paci, Barbara %A Generosi, Amanda %A Papachatzakis, Michael %A Maksudov, Temur %A Najafi, Leyla %A Castillo, Antonio Esaú Del Rio %A Kioseoglou, George %A Stratakis, Emmanuel %A Bonaccorso, Francesco %A Kymakis, Emmanuel %D 2018 %I Wiley Online Library %J Advanced Energy Materials %K MoS2 interlayer perovskite stability %N 12 %R 10.1002/aenm.201702287 %T Extending the Continuous Operating Lifetime of Perovskite Solar Cells with a Molybdenum Disulfide Hole Extraction Interlayer %U https://doi.org/10.1002/aenm.201702287 %V 8 %X Solution‐processed organic–inorganic lead halide perovskite solar cells (PSCs) are considered as one of the most promising photovoltaic technologies thanks to both high performance and low manufacturing cost. However, a key challenge of this technology is the lack of ambient stability over prolonged solar irradiation under continuous operating conditions. In fact, only a few studies (carried out in inert atmosphere) already approach the industrial standards. Here, it is shown how the introduction of MoS2 flakes as a hole transport interlayer in inverted planar PSCs results in a power conversion efficiency (PCE) of ≈17%, overcoming the one of the standard reference devices. Furthermore, this approach allows the realization of ultrastable PSCs, stressed in ambient conditions and working at continuous maximum power point. In particular, the photovoltaic performances of the proposed PSCs represent the current state‐of‐the‐art in terms of lifetime, retaining 80% of their initial performance after 568 h of continuous stress test, thus approaching the industrial stability standards. Moreover, it is further demonstrated the feasibility of this approach by fabricating large‐area PSCs (0.5 cm2 active area) with MoS2 as the interlayer. These large‐area PSCs show improved performance (i.e., PCE = 13.17%) when compared with the standard devices (PCE = 10.64%). Highly stable and efficient inverted planar perovskite solar cells are fabricated based on a molybdenum disulfide (MoS2) hole extraction interlayer. The performance improvement is attributed to improved hole extraction, while the enhancement in the long‐term stability is attributed to the stabilization of the hole transporting materials/perovskite interface, inhibiting the bulk degradation process of the MAPbI3 structure itself.

@article{kakavelakis2018extending, abstract = {Solution‐processed organic–inorganic lead halide perovskite solar cells (PSCs) are considered as one of the most promising photovoltaic technologies thanks to both high performance and low manufacturing cost. However, a key challenge of this technology is the lack of ambient stability over prolonged solar irradiation under continuous operating conditions. In fact, only a few studies (carried out in inert atmosphere) already approach the industrial standards. Here, it is shown how the introduction of MoS2 flakes as a hole transport interlayer in inverted planar PSCs results in a power conversion efficiency (PCE) of ≈17%, overcoming the one of the standard reference devices. Furthermore, this approach allows the realization of ultrastable PSCs, stressed in ambient conditions and working at continuous maximum power point. In particular, the photovoltaic performances of the proposed PSCs represent the current state‐of‐the‐art in terms of lifetime, retaining 80% of their initial performance after 568 h of continuous stress test, thus approaching the industrial stability standards. Moreover, it is further demonstrated the feasibility of this approach by fabricating large‐area PSCs (0.5 cm2 active area) with MoS2 as the interlayer. These large‐area PSCs show improved performance (i.e., PCE = 13.17%) when compared with the standard devices (PCE = 10.64%). Highly stable and efficient inverted planar perovskite solar cells are fabricated based on a molybdenum disulfide (MoS2) hole extraction interlayer. The performance improvement is attributed to improved hole extraction, while the enhancement in the long‐term stability is attributed to the stabilization of the hole transporting materials/perovskite interface, inhibiting the bulk degradation process of the MAPbI3 structure itself.}, added-at = {2018-07-02T15:58:06.000+0200}, author = {Kakavelakis, George and Paradisanos, Ioannis and Paci, Barbara and Generosi, Amanda and Papachatzakis, Michael and Maksudov, Temur and Najafi, Leyla and Castillo, Antonio Esaú Del Rio and Kioseoglou, George and Stratakis, Emmanuel and Bonaccorso, Francesco and Kymakis, Emmanuel}, biburl = {https://www.bibsonomy.org/bibtex/2821d34537c98b275654e910b80acbd47/bretschneider_m}, doi = {10.1002/aenm.201702287}, interhash = {cfc141f5184627154b3fd5969f44e4ce}, intrahash = {821d34537c98b275654e910b80acbd47}, issn = {1614-6832}, journal = {Advanced Energy Materials}, keywords = {MoS2 interlayer perovskite stability}, month = {4}, number = 12, publisher = {Wiley Online Library}, timestamp = {2018-07-02T15:58:06.000+0200}, title = {Extending the Continuous Operating Lifetime of Perovskite Solar Cells with a Molybdenum Disulfide Hole Extraction Interlayer}, url = {https://doi.org/10.1002/aenm.201702287}, volume = 8, year = 2018 }