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Regular Papers
Understanding the internal conversion efficiency of BiVO4/SnO2 photoanodes for solar water splitting: an experimental and computational analysis
L. Geronimo, 
C. G. Ferreira, 
V. Gacha, 
D. Raptis, 
J. Martorell, 
C. Ros
ACS Appl. Energy Mater. 7, 1792-1801 (2024)
Spatiotemporal mapping uncouples exciton diffusion from singlet–singlet annihilation in the electron acceptor y6
G. Lo Gerfo M., 
L. Bolzonello, 
F. Bernal-Texca, 
J. Martorell, 
N. F. van Hulst
J. Phys. Chem. Lett. 14, 1999-2005 (2023)
Controlling the electrochemical hydrogen generation and storage in graphene oxide by in-situ raman spectroscopy
A. Pinilla-Sánchez, 
E. Chávez-Angel, 
S. Murcia-López, 
N.M. Carretero, 
S. M. Palardonio, 
P. Xiao, 
D. Rueda-García, 
C. M. Sotomayor Torres, 
P. Gómez-Romero, 
J. Martorell, 
C. Ros
Carbon 200, 227-235 (2022)
Wide bandgap perovskite photovoltaic cells for stray light recycling in a system emitting broadband polarized light
G. Martínez‐Denegri, 
C. G. Ferreira, 
M. A. Ruiz‐Preciado, 
P. Fassl, 
M. Kramarenko, 
U. W. Paetzold, 
J. Martorell
Adv. Energy Mat. 12, 2201473 (2022)
Light recycling using perovskite solar cells in a half‐cylinder photonic plate for an energy efficient broadband polarized light emission
C. G. Ferreira, 
G. Martínez-Denegri, 
M. Kramarenko, 
J. Toudert, 
J. Martorell
Adv. Photon. Res. 2, 2100077 (2021)
Photocurrent-detected 2D electronic spectroscopy reveals ultrafast hole transfer in operating PM6/Y6 organic solar cells
L. Bolzonello, 
F. Bernal-Texca, 
L. G. Gerling, 
J. Ockova, 
E. Collini, 
J. Martorell, 
N. F. van Hulst
J. Phys. Chem. Lett. 12, 3983-3988 (2021)
Light harvesting at oblique incidence decoupled from transmission in organic solar cells exhibiting 9.8% efficiency and 50% visible light transparency
Q. Liu, 
L. G. Gerling, 
F. Bernal‐Texca, 
J. Toudert, 
T. Li, 
X. Zhan, 
J. Martorell
Adv. Energy Mater. 10, 1904196 (2020)
Relation between fluorescence quantum yield and open?circuit voltage in complete perovskite solar cells
M. Kramarenko, 
C. G. Ferreira, 
G. Martínez-Denegri, 
C. Sansierra, 
J. Toudert, 
J. Martorell
Sol. RRL 4,4 (2020)
Water splitting of hydrogen chemisorbed in graphene oxide dynamically evolves into a graphane lattice
L. Ciammaruchi, 
L. Bellucci, 
G. C. Castillo, 
G. M. D. Sánchez, 
Q. Liu, 
V. Tozzini, 
J. Martorell
Carbon 153, 234-241 (2019)
Inverse optical cavity design for ultrabroadband light absorption beyond the conventional limit in low?bandgap nonfullerene acceptor–based solar cells
Q. Liu, 
J. Toudert, 
T. Li, 
M. Kramarenko, 
G. Martínez‐Denegri, 
L. Ciammaruchi, 
X. Zhan, 
J. Martorell
Adv. Energy Mater. 9, 1900463 (2019)
Ergodic light propagation in a half-cylinder photonic plate for optimal absorption in Perovskite solar cells
G. Martínez-Denegri, 
S. Colodrero, 
Q. Liu, 
J. Toudert, 
G. Kozyreff, 
J. Martorell
Adv. Opt. Mater. 7, 1900018 (2019)
All-Nanoparticle SnO2/TiO2 Electron-Transporting Layers Processed at Low Temperature for Efficient Thin-Film Perovskite Solar Cells
G. Martínez-Denegri, 
S. Colodrero, 
M. Kramarenko, 
J. Martorell
ACS Appl. Energy Mater. 1, 5548–5556 (2018)
High open-circuit voltage and short-circuit current flexible polymer solar cells using ternary blends and ultrathin Ag-based transparent electrodes
Q. Liu, 
J. Toudert, 
L. Ciammaruchi, 
G. Martínez-Denegri, 
J. Martorell
J. Mater. Chem. A 5, 25476-25484 (2017)
Circumventing UV light induced nanomorphology disorder to achieve long lifetime PTB7-Th:PCBM based solar cells
Q. Liu, 
J. Toudert, 
F. Liu, 
P. Mantilla-Perez, 
M. Montes Bajo, 
T. P. Russell, 
J. Martorell
Adv. Energy Mater. 7, 1701201 (2017)
Interband transitions in semi-metals, semiconductors, and topological insulators: a new driving force for plasmonics and nanophotonics [Invited]
J. Toudert, 
R. Serna
Opt. Mater. Express 7, 2299 (2017)
A two-resonance tapping cavity for an optimal light trapping in thin-film solar cells
Q. Liu, 
P. Romero-Gómez, 
P. Mantilla-Perez, 
S. Colodrero, 
J. Toudert, 
J. Martorell
Adv. Energy Mater. 7, 1700356 (2017)
Monolithic CIGS–Perovskite tandem cell for optimal light harvesting without current matching
P. Mantilla-Perez, 
T. Feurer, 
J.-P. Correa-Baena, 
Q. Liu, 
S. Colodrero, 
J. Toudert, 
M. Saliba, 
S. Buecheler, 
A. Hagfeldt, 
A. N. Tiwari, 
J. Martorell
ACS Photonics 4, 861-867 (2017)
UV-induced oxygen Removal for Photostable, High-Efficiency PTB7-Th:PC71BM Photovoltaic cells
Q. Liu, 
P. Mantilla-Perez, 
M. Montes Bajo, 
P. Romero-Gómez, 
J. Martorell
ACS Appl. Mater. Interfaces 8, 28750–28756 (2016)
Neutral water splitting catalysis with a High FF triple junction polymer cell
X. Elias, 
Q. Liu, 
C. Gimbert-Surinach, 
R. Matheu, 
P. Mantilla-Perez, 
A. Martínez-Otero, 
X. Sala, 
J. Martorell, 
A. Llobet
ACS Catal. 6, 3310-3316 (2016)
Monitoring degradation mechanisms in PTB7:PC71BM photovoltaic cells by means of impedance spectroscopy
B. Arredondo, 
M. B. Martín-Lópeza, 
B. Romero, 
R. Vergaz, 
P. Romero-Gómez, 
J. Martorell
Sol. Energy Mat. Sol. Cells 144, 422-428 (2016)
Highly flexible transparent electrodes containing ultrathin silver for efficient polymer solar cells
D. S. Ghosh, 
Q. Liu, 
P. Mantilla-Perez, 
T. L. Chen, 
V. Mkhitaryan, 
M. Huang, 
S. Garner, 
J. Martorell, 
V. Pruneri
Adv. Funct. Mater. 25, 7309-7316 (2015)
4‑Terminal tandem photovoltaic cell using two Layers of PTB7:PC71BM for optimal light absorption
P. Mantilla-Perez, 
A. Martínez-Otero, 
P. Romero-Gómez, 
J. Martorell
ACS Appl. Mater. Interfaces 7, 18435-18440 (2015)
An extremely thin and robust interconnecting layer providing 76% fill factor in a tandem polymer solar cell architecture
A. Martínez-Otero, 
Q. Liu, 
P. Mantilla-Perez, 
M. Montes Bajo, 
J. Martorell
J. Mater. Chem. A 3, 10681-10686 (2015)
An indium tin oxide-free polymer solar cell on flexible glass
N. Formica, 
P. Mantilla-Perez, 
D. S. Ghosh, 
D. Janner, 
T. L. Chen, 
M. Huang, 
S. Garner, 
J. Martorell, 
V. Pruneri
ACS Appl. Mater. Interfaces 7, 4541-4548 (2015)
Semi-transparent polymer solar cells
P. Romero-Gómez, 
F. Pastorelli, 
P. Mantilla-Perez, 
M. Mariano, 
A. Martínez-Otero, 
X. Elias, 
R. Betancur, 
J. Martorell
J. Photon. Energy 5, 057212 (2015)
Enhanced stability in semi-transparent PTB7/PC71BM photovoltaic cells
P. Romero-Gómez, 
R. Betancur, 
A. Martínez-Otero, 
X. Elias, 
M. Mariano, 
B. Romero, 
B. Arredondo, 
R. Vergaz, 
J. Martorell
Sol. Energy Mat. Sol. Cells 137, 44-49 (2015)
Enhanced light harvesting in semitransparent organic solar cells using an optical metal cavity configuration
F. Pastorelli, 
P. Romero-Gómez, 
R. Betancur, 
A. Martinez-Otero, P. Mantilla-Perez, 
N. Bonod, 
J. Martorell
Adv. Energ. Mater. 5, 1400614 (2015)
Light coupling into the whispering gallery modes of a fiber array thin film solar cell for fixed partial sun tracking
M. Mariano, 
F. J. Rodríguez, 
P. Romero-Gómez, 
G. Kozyreff, 
J. Martorell
Sci. Rep. 4, 4959 (2014)
Self-assembled plasmonic oligomers for organic photovoltaics
F. Pastorelli, 
S. Bidault, 
J. Martorell, 
N. Bonod
Adv. Opt. Mater. 2, 171-175 (2014)
Transparent polymer solar cells employing a layered light-trapping architecture
R. Betancur, 
P. Romero-Gómez, 
A. Martínez-Otero, 
X. Elias, 
M. Maymó, 
J. Martorell
Nature Photon. 7, 995-1000 (2013)
Ultrathin oxidized Ti to increase stability and smoothness of Al doped ZnO transparent conductors for high efficiency indium-free polymer solar cells
N. Formica, 
D. S. Ghosh, 
A. Martínez-Otero, 
T. L. Chen, 
J. Martorell, 
V. Pruneri
Appl. Phys. Lett. 103, 183304 (2013)
Microcavity effects on the generation, fluorescence, and diffusion of excitons in organic solar cells
G. Kozyreff, 
D. C. Urbanek, 
L. T. Vuong, 
O. Nieto Silleras, 
J. Martorell
Opt. Express 21, A336-A354 (2013)
High-performance polymer solar cells using an optically enhanced architecture
A. Martínez-Otero, 
X. Elias, 
R. Betancur, 
J. Martorell
Adv. Opt. Mater. 1, 37-42 (2013)
Molecular conformation in organic films from quantum chemistry ab initio calculations and second harmonic spectroscopy
R. Macovez, 
N. Lopez, 
M. Mariano, 
M. Maymó, 
J. Martorell
J. Phys. Chem. C 116, 26784–26790 (2012)
Optical interference for the matching of the external and internal quantum efficiencies inorganic photovoltaic cells
R. Betancur, 
A. Martínez-Otero, 
X. Elias, 
P. Romero-Gómez, 
S. Colodrero, 
H. Míguez, 
J. Martorell
Sol. Energy Mat. Sol. Cells 104, 87-91 (2012)
Controlling the diffused nonlinear light generated in random materials
C. Yao, 
F. J. Rodríguez, 
J. Martorell
Opt. Lett. 37, 1676-1678 (2012)
Efficient polymer solar cell employing an oxidized Ni capped Al:ZnO anode without the need of additional hole-transporting-layer
T. L. Chen, 
R. Betancur, 
D. S. Ghosh, 
J. Martorell, 
V. Pruneri
Appl. Phys. Lett. 100, 013310 (2012)
Nonlinear optics in spheres: from second harmonic scattering to quasi-phase matched generation in whispering gallery modes
G. Kozyreff, 
J. L. Domínguez-Juárez, 
J. Martorell
Laser & Photon. Rev. 5, 737-749 (2011)
Highlighted in Materials Views
Large optical-frequency shift of molecular radiation via coherent coupling to an off-resonance plasmon
R. Macovez, 
M. Mariano, 
S. Di Finizio, 
G. Kozyreff, 
J. Martorell
Phys. Rev. Lett. 107, 073902 (2011)
Observation of speckle pattern formation in transparent nonlinear random media
F. J. Rodríguez, 
C. Yao, 
J. L. Domínguez-Juárez, 
J. Bravo-Abad, 
J. Martorell
Opt. Lett. 36, 1347-1349 (2011)
Whispering gallery microresonators for second harmonic light generation from a low number of small molecules
J. L. Domínguez-Juárez, 
G. Kozyreff, 
J. Martorell
Nature Commun. 2, 254 (2011)
Semi-transparent metal electrode of Cu–Ni as a replacement of an ITO in organic photovoltaic cells
D. S. Ghosh, 
R. Betancur, 
T. L. Chen, 
V. Pruneri, 
J. Martorell
Sol. Energy Mat. Sol. Cells 95, 1228-1231 (2011)
Sputtered NiO as electron blocking layer in P3HT:PCBM solar cells fabricated in ambient air
R. Betancur, 
M. Maymó, 
X. Elias, 
L. T. Vuong, 
J. Martorell
Sol. Energy Mat. Sol. Cells 95, 735-739 (2011)
Anomalous group velocity at the high energy range of a 3D photonic nanostructure
M. Botey, 
J. Martorell, 
L. A. Dorado, 
R. A. Depine, 
G. Lozano, 
H. Míguez
Opt. Express 18, 15682-15690 (2010)
Molecular quadratic nonlinear susceptibility gratings via electron-beam lithography
J. L. Domínguez-Juárez, 
R. Macovez, 
M. Ujué González, 
J. Martorell
Appl. Phys. Lett. 97, 023307 (2010)
Optical second-harmonic scattering from a non-diffusive random distribution of nonlinear domains
J. Bravo-Abad, 
X. Vidal, 
J. L. Domínguez Juárez, 
J. Martorell
Opt. Express 18, 14202-14211 (2010)
Cavity-controlled radiative recombination of excitons in thin-film solar cells
L. T. Vuong, 
G. Kozyreff, 
R. Betancur, 
J. Martorell
Appl. Phys. Lett. 95, 233106 (2009)
New approaches for the fabrication of photonic structures of nonlinear optical materials
J. J. Carvajal, 
A. Peña, 
R. Kumar, 
M. C. Pujol, 
X. Mateos, 
M. Aguiló, 
F. Díaz, 
J. R. Vázquez de Aldana, 
C. Méndez, 
P. Moreno, 
L. Roso, 
T. Trifonov, 
A. Rodriguez, 
R. Alcubilla, 
Z. Král, 
J. Ferre-Borrull, 
J. Pallares, 
L. F. Marsal, 
S. Di Finizio, 
R. Macovez, 
J. Martorell
J. Lumin. 129, 1441-1447 (2009)
Link to J. Lumin.
Measurement of the dispersion of air and of refractive index anomalies by wavelength-dependent nonlinear interferometry
R. Macovez, 
M. Mariano, 
S. Di Finizio, 
J. Martorell
Opt. Express 17, 13881-13888 (2009)
Light generation at the anomalous dispersion high energy range of a nonlinear opal film
M. Botey, 
M. Maymó, 
A. Molinos-Gómez, 
L. Dorado, 
R. A. Depine, 
G. Lozano, 
A. Mihi, 
H. Míguez, 
J. Martorell
Opt. Express 17, 12210-12216 (2009)
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