Search Results - "Kavanagh, Seán R."
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Frenkel Excitons in Vacancy-Ordered Titanium Halide Perovskites (Cs2TiX6)
Published in The journal of physical chemistry letters (01-12-2022)“…Low-cost, nontoxic, and earth-abundant photovoltaic materials are long-sought targets in the solar cell research community. Perovskite-inspired materials have…”
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2
Band Degeneracy and Anisotropy Enhances Thermoelectric Performance from Sb2Si2Te6 to Sc2Si2Te6
Published in Journal of the American Chemical Society (03-07-2024)“…The complex interrelationships among thermoelectric parameters mean that a priori design of high-performing materials is difficult. However, band engineering…”
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3
Rapid Recombination by Cadmium Vacancies in CdTe
Published in ACS energy letters (09-04-2021)“…CdTe is currently the largest thin-film photovoltaic technology. Non-radiative electron–hole recombination reduces the solar conversion efficiency from an…”
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4
Mixed-Cation Vacancy-Ordered Perovskites (Cs2Ti1–x Sn x X6; X = I or Br): Low-Temperature Miscibility, Additivity, and Tunable Stability
Published in Journal of physical chemistry. C (02-11-2023)“…Lead toxicity and poor stability under operating conditions are major drawbacks that impede the widespread commercialization of metal–halide perovskite solar…”
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5
Computational Prediction of an Antimony-Based n‑Type Transparent Conducting Oxide: F‑Doped Sb2O5
Published in Chemistry of materials (26-03-2024)“…Transparent conducting oxides (TCOs) possess a unique combination of optical transparency and electrical conductivity, making them indispensable in…”
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6
Strong absorption and ultrafast localisation in NaBiS2 nanocrystals with slow charge-carrier recombination
Published in Nature communications (24-08-2022)“…I-V-VI 2 ternary chalcogenides are gaining attention as earth-abundant, nontoxic, and air-stable absorbers for photovoltaic applications. However, the…”
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7
Identifying the ground state structures of point defects in solids
Published in npj computational materials (17-02-2023)“…Point defects are a universal feature of crystals. Their identification is addressed by combining experimental measurements with theoretical models. The…”
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8
Band versus Polaron: Charge Transport in Antimony Chalcogenides
Published in ACS energy letters (09-09-2022)“…Antimony sulfide (Sb2S3) and selenide (Sb2Se3) are emerging earth-abundant absorbers for photovoltaic applications. Solar cell performance depends strongly on…”
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Understanding the Photocatalytic Activity of La5Ti2AgS5O7 and La5Ti2CuS5O7 for Green Hydrogen Production: Computational Insights
Published in ACS applied energy materials (28-02-2022)“…Green production of hydrogen is possible with photocatalytic water splitting, where hydrogen is produced while water is reduced by using energy derived from…”
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10
Machine-learning structural reconstructions for accelerated point defect calculations
Published in npj computational materials (06-06-2024)“…Defects dictate the properties of many functional materials. To understand the behaviour of defects and their impact on physical properties, it is necessary to…”
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11
Oxygen Dimerization as a Defect-Driven Process in Bulk LiNiO2
Published in ACS energy letters (09-08-2024)“…To explore the possibility of oxygen dimerizationparticularly, the formation of molecular oxygen-like speciesin the bulk of LiNiO2 lithium ion cathode…”
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12
Solvent engineered synthesis of layered SnO for high-performance anodes
Published in NPJ 2D materials and applications (03-03-2021)“…Batteries are the most abundant form of electrochemical energy storage. Lithium and sodium ion batteries account for a significant portion of the battery…”
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13
Novel chalcogenides, pnictides and defect-tolerant semiconductors: general discussion
Published in Faraday discussions (28-10-2022)Get more information
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14
Orbital-selective band hybridisation at the charge density wave transition in monolayer TiTe2
Published in npj quantum materials (27-09-2022)“…Reducing the thickness of a material to its two-dimensional (2D) limit can have dramatic consequences for its collective electronic states, including…”
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15
Bulk and surface characterisation techniques of solar absorbers: general discussion
Published in Faraday discussions (28-10-2022)Get more information
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16
Indium-free CIGS analogues: general discussion
Published in Faraday discussions (28-10-2022)Get more information
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17
Cation disorder engineering yields AgBiS2 nanocrystals with enhanced optical absorption for efficient ultrathin solar cells
Published in Nature photonics (01-03-2022)“…Strong optical absorption by a semiconductor is a highly desirable property for many optoelectronic and photovoltaic applications. The optimal thickness of a…”
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18
Computational Prediction of an Antimony-Based n-Type Transparent Conducting Oxide: F-Doped Sb 2 O 5
Published in Chemistry of materials (26-03-2024)“…Transparent conducting oxides (TCOs) possess a unique combination of optical transparency and electrical conductivity, making them indispensable in…”
Get full text
Journal Article -
19
Band Degeneracy and Anisotropy Enhances Thermoelectric Performance from Sb 2 Si 2 Te 6 to Sc 2 Si 2 Te 6
Published in Journal of the American Chemical Society (03-07-2024)“…The complex interrelationships among thermoelectric parameters mean that design of high-performing materials is difficult. However, band engineering can allow…”
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20
Interplay of Static and Dynamic Disorder in the Mixed-Metal Chalcohalide Sn2SbS2I3
Published in Journal of the American Chemical Society (14-06-2023)“…Chalcohalide mixed-anion crystals have seen a rise in interest as “perovskite-inspired materials” with the goal of combining the ambient stability of metal…”
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