Journal
CHEMISTRY OF MATERIALS
Volume 29, Issue 3, Pages 1089-1094Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.6b03944
Keywords
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Funding
- A*STAR international fellowship by Agency for Science, Technology and Research, Singapore
- Ras al Khaimah Center for Advanced Materials
- EPSRC [EP/K014560/1]
- Natural Environment Research Council [NE/B505738/1, NE/F017081/1]
- Engineering and Physical Sciences Research Council [EP/1036079/1]
- EPSRC [EP/I036079/1, EP/K014560/1] Funding Source: UKRI
- NERC [NE/F017081/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I036079/1, EP/K014560/1] Funding Source: researchfish
- Natural Environment Research Council [NE/B505738/1, NE/F017081/1] Funding Source: researchfish
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The discovery of lead-free hybrid double perovskites provides a viable approach in the search for stable and environmentally benign photovoltaic materials as alternatives to lead-containing systems such as MAPbX3 (X = Cl, Br, or I). Following our recent reports of (MA)(2)KBiCl6 and (MA)(2)TlBiBr6, we have now synthesized a hybrid double perovskite, (MA)(2)AgBiBr6, that has a low band gap of 2.02 eV and is relatively stable and nontoxic. Its electronic structure and mechanical and optical properties are investigated with a combination of experimental studies and density functional theory calcula tions.
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