Alex J. Barker
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Rational molecular passivation for high-performance perovskite light-emitting diodes
W Xu, Q Hu, S Bai, C Bao, Y Miao, Z Yuan, T Borzda, AJ Barker, ...
Nature Photonics 13 (6), 418-424, 2019
4372019
Carrier trapping and recombination: the role of defect physics in enhancing the open circuit voltage of metal halide perovskite solar cells
T Leijtens, GE Eperon, AJ Barker, G Grancini, W Zhang, JM Ball, ...
Energy & Environmental Science 9 (11), 3472-3481, 2016
3202016
Iodine chemistry determines the defect tolerance of lead-halide perovskites
D Meggiolaro, SG Motti, E Mosconi, AJ Barker, J Ball, CAR Perini, ...
Energy & Environmental Science 11 (3), 702-713, 2018
3012018
Defect-assisted photoinduced halide segregation in mixed-halide perovskite thin films
AJ Barker, A Sadhanala, F Deschler, M Gandini, SP Senanayak, ...
ACS Energy Letters 2 (6), 1416-1424, 2017
2772017
Role of microstructure in the electron–hole interaction of hybrid lead halide perovskites
G Grancini, ARS Kandada, JM Frost, AJ Barker, M De Bastiani, M Gandini, ...
Nature photonics 9 (10), 695-701, 2015
2322015
Photoinduced emissive trap states in lead halide perovskite semiconductors
SG Motti, M Gandini, AJ Barker, JM Ball, AR Srimath Kandada, A Petrozza
ACS Energy Letters 1 (4), 726-730, 2016
1302016
Controlling competing photochemical reactions stabilizes perovskite solar cells
SG Motti, D Meggiolaro, AJ Barker, E Mosconi, CAR Perini, JM Ball, ...
Nature Photonics 13 (8), 532-539, 2019
1172019
Exciton‐Charge Annihilation in Organic Semiconductor Films
JM Hodgkiss, S Albert‐Seifried, A Rao, AJ Barker, AR Campbell, ...
Advanced Functional Materials 22 (8), 1567-1577, 2012
1152012
Distance distributions of photogenerated charge pairs in organic photovoltaic cells
AJ Barker, K Chen, JM Hodgkiss
Journal of the American Chemical Society 136 (34), 12018-12026, 2014
1042014
Effect of carrier thermalization dynamics on light emission and amplification in organometal halide perovskites
K Chen, AJ Barker, FLC Morgan, JE Halpert, JM Hodgkiss
The journal of physical chemistry letters 6 (1), 153-158, 2015
1002015
Broadband ultrafast photoluminescence spectroscopy resolves charge photogeneration via delocalized hot excitons in polymer: fullerene photovoltaic blends
K Chen, AJ Barker, ME Reish, KC Gordon, JM Hodgkiss
Journal of the American Chemical Society 135 (49), 18502-18512, 2013
992013
Defect activity in lead halide perovskites
SG Motti, D Meggiolaro, S Martani, R Sorrentino, AJ Barker, F De Angelis, ...
Advanced Materials 31 (47), 1901183, 2019
832019
High exciton diffusion coefficients in fused ring electron acceptor films
S Chandrabose, K Chen, AJ Barker, JJ Sutton, SKK Prasad, J Zhu, J Zhou, ...
Journal of the American Chemical Society 141 (17), 6922-6929, 2019
752019
Transient grating photoluminescence spectroscopy: an ultrafast method of gating broadband spectra
K Chen, JK Gallaher, AJ Barker, JM Hodgkiss
The journal of physical chemistry letters 5 (10), 1732-1737, 2014
512014
Near-infrared emitting single squaraine dye aggregates with large Stokes shifts
GM Paternò, L Moretti, AJ Barker, C D'andrea, A Luzio, N Barbero, ...
Journal of Materials Chemistry C 5 (31), 7732-7738, 2017
322017
Broadband Defects Emission and Enhanced Ligand Raman Scattering in 0D Cs3Bi2I9 Colloidal Nanocrystals
GM Paternò, N Mishra, AJ Barker, Z Dang, G Lanzani, L Manna, ...
Advanced Functional Materials 29 (21), 1805299, 2019
222019
Pump–Push–Probe for Ultrafast All‐Optical Switching: The Case of a Nanographene Molecule
GM Paternò, L Moretti, AJ Barker, Q Chen, K Müllen, A Narita, G Cerullo, ...
Advanced Functional Materials 29 (21), 1805249, 2019
212019
Thermoelectric properties of highly conductive poly (3, 4-ethylenedioxythiophene) polystyrene sulfonate printed thin films
D Beretta, AJ Barker, I Maqueira-Albo, A Calloni, G Bussetti, G Dell’Erba, ...
ACS applied materials & interfaces 9 (21), 18151-18160, 2017
202017
N-type organic thermoelectrics: demonstration of ZT> 0.3
J Liu, B van der Zee, R Alessandri, S Sami, J Dong, MI Nugraha, ...
Nature communications 11 (1), 1-9, 2020
182020
High speed solution-processed hybrid perovskite photodetectors with low dark current enabled by a low temperature metal oxide interlayer
CAR Perini, AJ Barker, M Sala, A Petrozza, M Caironi
Semiconductor Science and Technology 33 (9), 094004, 2018
82018
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