Dopant-free hole-transporting materials for stable and efficient perovskite solar cells
| Author | Paek, Sanghyun |
| Author | Qin, Peng |
| Author | Lee, Yonghui |
| Author | Cho, Kyung Taek |
| Author | Gao, Peng |
| Author | Grancini, Giulia |
| Author | Oveisi, Emad |
| Author | Gratia, Paul |
| Author | Rakstys, Kasparas |
| Author | Al-Muhtaseb, Shaheen A. |
| Author | Ludwig, Christian |
| Author | Ko, Jaejung |
| Author | Nazeeruddin, Mohammad Khaja |
| Available date | 2022-11-28T08:18:27Z |
| Publication Date | 2017 |
| Publication Name | Advanced Materials |
| Resource | Scopus |
| Resource | 2-s2.0-85024134331 |
| Abstract | Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI3)0.85(MAPbBr3)0.15 (MA: CH3NH3+, FA: NH=CHNH3+) that exhibit an excellent power conversion efficiency of 18.9% under AM 1.5 conditions are investigated. The mobilities of FA-CN, and TPA-CN are determined to be 1.2 × 10−4 cm2 V−1 s−1 and 1.1 × 10−4 cm2 V−1 s−1, respectively. Exceptional stability up to 500 h is measured with the PSC based on FA-CN. Additionally, it is found that the maximum power output collected after 1300 h remained 65% of its initial value. This opens up new avenue for efficient and stable PSCs exploring new materials as alternatives to Spiro-OMeTAD. |
| Sponsor | S.P. and P.Q. contributed equally to this work. The authors acknowledge financial support from SNSF NRP 70 Project No.: 407040_154056, and CTI 15864.2.PFNM-NM, Solaronix, Aubonne, Switzerland. This work was partially funded by NPRP Award No. [NPRP 6-175-2-070] from the Qatar National Research Fund, the Basic Science Research Program through the National Research Foundation of Korea (2016, R1415802), and Competence Center Energy and Mobility (project PAWaSto), the cooperation with the Swiss Competence Center for Energy Research SCCER BIOSWEET. The authors thank Manuel Tschumi for designing the stability measurement system and Valentin Queloz for help to measure hole mobility. |
| Language | en |
| Publisher | Wiley-VCH Verlag |
| Subject | Dopant-free Hole-transport materials Perovskite solar cells Photovoltaic Stability |
| Type | Article |
| Issue Number | 35 |
| Volume Number | 29 |
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Chemical Engineering [1174 items ]