Imperial College London
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Dr Robert Hoye, FIMMM CEng CSci

Faculty of Engineering, Department of Materials

Honorary Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7594 6048r.hoye Website

 
 
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Location

 

2.27Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hoye:2016:10.1002/chem.201505055,
author = {Hoye, RLZ and Brandt, RE and Osherov, A and Stevanovi, V and Stranks, SD and Wilson, MWB and Kim, H and Akey, AJ and Perkins, JD and Kurchin, RC and Poindexter, JR and Wang, EN and Bawendi, MG and Bulovi, V and Buonassisi, T},
doi = {10.1002/chem.201505055},
journal = {Chemistry – A European Journal},
pages = {2605--2610},
title = {Methylammonium Bismuth Iodide as a LeadFree, Stable Hybrid Organic–Inorganic Solar Absorber},
url = {http://dx.doi.org/10.1002/chem.201505055},
volume = {22},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - <jats:title>Abstract</jats:title><jats:p>Methylammonium lead halide (MAPbX<jats:sub>3</jats:sub>) perovskites exhibit exceptional carrier transport properties. But their commercial deployment as solar absorbers is currently limited by their intrinsic instability in the presence of humidity and their lead content. Guided by our theoretical predictions, we explored the potential of methylammonium bismuth iodide (MBI) as a solar absorber through detailed materials characterization. We synthesized phasepure MBI by solution and vapor processing. In contrast to MAPbX<jats:sub>3</jats:sub>, MBI is air stable, forming a surface layer that does not increase the recombination rate. We found that MBI luminesces at room temperature, with the vaporprocessed films exhibiting superior photoluminescence (PL) decay times that are promising for photovoltaic applications. The thermodynamic, electronic, and structural features of MBI that are amenable to these properties are also present in other hybrid ternary bismuth halide compounds. Through MBI, we demonstrate a leadfree and stable alternative to MAPbX<jats:sub>3</jats:sub> that has a similar electronic structure and nanosecond lifetimes.</jats:p>
AU  - Hoye,RLZ
AU  - Brandt,RE
AU  - Osherov,A
AU  - Stevanovi,V
AU  - Stranks,SD
AU  - Wilson,MWB
AU  - Kim,H
AU  - Akey,AJ
AU  - Perkins,JD
AU  - Kurchin,RC
AU  - Poindexter,JR
AU  - Wang,EN
AU  - Bawendi,MG
AU  - Bulovi,V
AU  - Buonassisi,T
DO  - 10.1002/chem.201505055
EP  - 2610
PY  - 2016///
SN  - 0947-6539
SP  - 2605
TI  - Methylammonium Bismuth Iodide as a LeadFree, Stable Hybrid Organic–Inorganic Solar Absorber
T2  - Chemistry – A European Journal
UR  - http://dx.doi.org/10.1002/chem.201505055
VL  - 22
ER  -
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