| 초록 |
Heat is considered to be the biggest cause of decomposition of perovskite solar cells, resulting severe decrement of power conversion efficiency. Thus, heat dissipation strategy is effective for increasing operational lifetime of perovskite solar cells. In this work, we introduced alluminium oxide nanoparticles in hole transporting layer. Allonium oxide has high thermal conductivity, thereby heat is effectively released through hole transporting layer. With this strategy, we demonstrated perovskite solar cells retained 91% of their initial efficiency after 31 days at 85 °C and 85% relative humidity without encapsulation. |
