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| 001 | 894258 | ||
| 005 | 20240712084521.0 | ||
| 024 | 7 | _ | |a 10.1557/s43578-021-00155-z |2 doi |
| 024 | 7 | _ | |a 0884-1616 |2 ISSN |
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| 024 | 7 | _ | |a 2044-5326 |2 ISSN |
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| 100 | 1 | _ | |a Ünlü, Feray |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Single- or double A-site cations in A3Bi2I9 bismuth perovskites: What is the suitable choice? |
| 260 | _ | _ | |a Cambridge [u.a.] |c 2021 |b Cambridge Univ. Press |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Investigations on the effect of single or double A-site cation engineering on the photovoltaic performance of bismuth perovskite-inspired materials (A3Bi2I9) are rare. Herein, we report novel single- and double-cation based bismuth perovskite-inspired materials developed by (1) completely replacing CH3NH3+ (methylammonium, MA+) in MA3Bi2I9 with various organic cations such as CH(NH2)2+ (formamidinium, FA+), (CH3)2NH2+ (dimethylammonium, DMA+), C(NH2)3+ (guanidinium, GA+) and inorganic cations such as cesium (Cs+), rubidium (Rb+), potassium (K+), sodium (Na+) and lithium (Li+) and (2) partially replacing MA+ with Cs+ in different stoichiometric ratios. Compared to single-cation based bismuth perovskite devices, the double-cation bismuth perovskite device showed an increment in the device power conversion efficiency (PCE) up to 1.5% crediting to the reduction in the bandgap. This is the first study demonstrating double-cation based bismuth perovskite showing bandgap reduction and increment in device efficiency and opens up the possibilities towards compositional engineering for improved device performance. |
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| 700 | 1 | _ | |a Lê, Khan |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Bohr, Christoph |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Bliesener, Andrea |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Öz, Seren Dilara |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Jena, Ajay Kumar |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Ando, Yoichi |0 P:(DE-HGF)0 |b 7 |
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| 700 | 1 | _ | |a Kirchartz, Thomas |0 P:(DE-Juel1)159457 |b 9 |u fzj |
| 700 | 1 | _ | |a Mathur, Sanjay |0 P:(DE-HGF)0 |b 10 |e Corresponding author |
| 773 | _ | _ | |a 10.1557/s43578-021-00155-z |g Vol. 36, no. 9, p. 1794 - 1804 |0 PERI:(DE-600)2015297-8 |n 9 |p 1794 - 1804 |t Journal of materials research |v 36 |y 2021 |x 2044-5326 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/894258/files/%C3%BCnl%C3%BC21jmr.pdf |y OpenAccess |
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