By Associate Professor Brett Jason Hallam

Journal articles

Zhou R; Yu M; Tweddle D; Hamer P; Chen D; Hallam B; Ciesla A; Altermatt PP; Wilshaw PR; Bonilla RS, 2020, 'Understanding and optimizing EBIC pn-junction characterization from modeling insights', Journal of Applied Physics, 127, http://dx.doi.org/10.1063/1.5139894

Varshney U; Chan C; Hoex B; Hallam B; Hamer P; Ciesla A; Chen D; Liu S; Sen C; Samadi A; Abbott M, 2020, 'Controlling Light- And Elevated-Temperature-Induced Degradation with Thin Film Barrier Layers', IEEE Journal of Photovoltaics, 10, pp. 19 - 27, http://dx.doi.org/10.1109/JPHOTOV.2019.2945199

Wright B; Madumelu C; Soeriyadi A; Wright M; Hallam B, 2020, 'Evidence for a Light-Induced Degradation Mechanism at Elevated Temperatures in Commercial N-Type Silicon Heterojunction Solar Cells', Solar RRL, 4, http://dx.doi.org/10.1002/solr.202000214

Ciesla AM; Bilbao JI; Chan CE; Payne DNR; Chen D; Kim M; Wenham SR; Hallam BJ, 2020, 'Modeling Boron-Oxygen Degradation and Self-Repairing Silicon PV Modules in the Field', IEEE Journal of Photovoltaics, 10, pp. 28 - 40, http://dx.doi.org/10.1109/JPHOTOV.2019.2945161

Sen C; Chan C; Hamer P; Wright M; Varshney U; Liu S; Chen D; Samadi A; Ciesla A; Chong CM; Hallam B; Abbott M, 2019, 'Annealing prior to contact firing: A potential new approach to suppress LeTID', Solar Energy Materials and Solar Cells, 200, http://dx.doi.org/10.1016/j.solmat.2019.109938

Vicari Stefani B; Weigand W; Wright M; Soeriyadi A; Yu Z; Kim M; Chen D; Holman Z; Hallam B, 2019, 'P-type Upgraded Metallurgical-Grade Multicrystalline Silicon Heterojunction Solar Cells with Open-Circuit Voltages over 690 mV', Physica Status Solidi (A) Applications and Materials Science, 216, http://dx.doi.org/10.1002/pssa.201900319

Wang S; Mai L; Ciesla A; Hameiri Z; Payne D; Chan C; Hallam B; Chong CM; Ji J; Shi Z; Wenham S, 2019, 'Advanced passivation of laser-doped and grooved solar cells', Solar Energy Materials and Solar Cells, 193, pp. 403 - 410, http://dx.doi.org/10.1016/j.solmat.2019.01.025

Sun C; Chen D; Rougieux F; basnet R; Hallam B; macdonald D, 2019, 'Kinetics and dynamics of the regeneration of boron-oxygen defects in compensated n-type silicon', Solar Energy Materials and Solar Cells, http://dx.doi.org/10.1016/j.solmat.2019.03.016

Vargas C; Nie S; Chen D; Chan C; Hallam B; Coletti G; Hameiri Z, 2019, 'Degradation and recovery of n-type multi-crystalline silicon under illuminated and dark annealing conditions at moderate temperatures', IEEE Journal of Photovoltaics, 9, pp. 355 - 355, http://dx.doi.org/10.1109/JPHOTOV.2018.2885711

Collett KA; Du S; Bourret-Sicotte G; Luo Z; Hamer P; Hallam B; Bonilla RS; Wilshaw PR, 2019, 'Scalable Techniques for Producing Field-Effect Passivation in High-Efficiency Silicon Solar Cells', IEEE Journal of Photovoltaics, 9, pp. 26 - 33, http://dx.doi.org/10.1109/JPHOTOV.2018.2872032

Sen C; Kim M; Chen D; Varshney U; Liu S; Samadi A; Ciesla A; Wenham SR; Chan CE; Chong C; Abbott MD; Hallam BJ, 2019, 'Assessing the Impact of Thermal Profiles on the Elimination of Light- and Elevated-Temperature-Induced Degradation', IEEE Journal of Photovoltaics, 9, pp. 40 - 48, http://dx.doi.org/10.1109/JPHOTOV.2018.2874769

Sun C; Chen D; Weigand W; Basnet R; Phang SP; Hallam B; Holman Z; Macdonald D, 2018, 'Complete regeneration of BO-related defects in n-type upgraded metallurgical-grade Czochralski-grown silicon heterojunction solar cells', Applied Physics Letters, 113, http://dx.doi.org/10.1063/1.5042460

Fung TH; Kim M; Chen D; Chan CE; Hallam BJ; Chen R; Payne DNR; Ciesla A; Wenham SR; Abbott MD, 2018, 'A four-state kinetic model for the carrier-induced degradation in multicrystalline silicon: Introducing the reservoir state', Solar Energy Materials and Solar Cells, 184, pp. 48 - 56, http://dx.doi.org/10.1016/j.solmat.2018.04.024

Hamer P; Chan C; Bonilla RS; Hallam B; Bourret-Sicotte G; Collett KA; Wenham S; Wilshaw PR, 2018, 'Hydrogen induced contact resistance in PERC solar cells', Solar Energy Materials and Solar Cells, 184, pp. 91 - 97, http://dx.doi.org/10.1016/j.solmat.2018.04.036

Ciesla A; Chen R; Wang S; Ji J; Shi Z; Mai L; Chan C; Hallam B; Chong CM; Wenham S; Green M, 2018, 'High-voltage p-type PERC solar cells with anchored plating and hydrogenation', Progress in Photovoltaics: Research and Applications, 26, pp. 397 - 401, http://dx.doi.org/10.1002/pip.2986

Chen D; Hamer P; Kim M; bourett-sicotte G; liu S; chan C; ciesla A; chen R; abbott M; hallam B; wenham S, 2018, 'Hydrogen induced degradation: A possible mechanism for light- and elevated temperature- induced degradation in n-type silicon', Solar Energy Materials and Solar Cells, 185, pp. 174 - 182, http://dx.doi.org/10.1016/j.solmat.2018.05.034

Kim M; Chen DANIEL; abbott M; Nampalli ; wenham ; Stefani B; hallam , 2018, 'Impact of interstitial iron on the study of meta-stable B-O defects in Czochralski silicon: Further evidence of a single defect', Journal of Applied Physics, 123, pp. 161586, http://dx.doi.org/10.1063/1.5000323

Hamer P; Hallam B; Bonilla RS; Altermatt PP; Wilshaw P; Wenham S, 2018, 'Modelling of hydrogen transport in silicon solar cell structures under equilibrium conditions', Journal of Applied Physics, 123, http://dx.doi.org/10.1063/1.5016854

Chong CM; Wenham S; Ji J; Mai L; Wang S; Hallam B; Li H, 2018, 'LEDs for the implementation of advanced hydrogenation using hydrogen charge-state control', International Journal of Photoenergy, 2018, http://dx.doi.org/10.1155/2018/2439425

Hallam BJ; Ciesla AM; Chan CC; Soeriyadi A; Liu S; Soufiani AM; Wright M; Wenham S, 2018, 'Overcoming the Challenges of Hydrogenation in Silicon Solar Cells', Australian Journal of Chemistry, 71, pp. 743 - 752, http://dx.doi.org/10.1071/CH18271

Hallam B; Chen D; Shi J; Einhaus R; Holman ZC; Wenham S, 2018, 'Pre-Fabrication Gettering and Hydrogenation Treatments for Silicon Heterojunction Solar Cells: A Possible Path to \textgreater700mV Open-Circuit Voltages Using Low-Lifetime Commercial-Grade p-Type Czochralski Silicon', Solar RRL, 1700221, pp. 2 - 5, http://dx.doi.org/10.1002/solr.201700221

Hallam B; Herguth A; Hamer P; Nampalli N; Wilking S; Abbott M; Wenham S; Hahn G, 2017, 'Eliminating light-induced degradation in commercial p-Type Czochralski silicon solar cells', Applied Sciences (Switzerland), 8, pp. 10, http://dx.doi.org/10.3390/app8010010

Chen D; Kim M; Stefani BV; Hallam BJ; Abbott MD; Chan CE; Chen R; Payne DNR; Nampalli N; Ciesla A; Fung TH; Kim K; Wenham SR, 2017, 'Evidence of an identical firing-activated carrier-induced defect in monocrystalline and multicrystalline silicon', Solar Energy Materials and Solar Cells, 172, pp. 293 - 300, http://dx.doi.org/10.1016/j.solmat.2017.08.003

Nampalli N; Li H; Kim M; Stefani B; Wenham S; Hallam B; Abbott M, 2017, 'Multiple pathways for permanent deactivation of boron-oxygen defects in p-type silicon', Solar Energy Materials and Solar Cells, 173, pp. 12 - 17, http://dx.doi.org/10.1016/j.solmat.2017.06.041

Hallam B; Kim M; Abbott M; Nampalli N; Nærland T; Stefani B; Wenham S, 2017, 'Recent insights into boron-oxygen related degradation: Evidence of a single defect', Solar Energy Materials and Solar Cells, 173, pp. 25 - 32, http://dx.doi.org/10.1016/j.solmat.2017.06.038

Chan C; Hamer P; Bourret-Sicotte G; Chen R; Ciesla A; Hallam B; Payne D; Bonilla RS; Wenham S, 2017, 'Instability of Increased Contact Resistance in Silicon Solar Cells Following Post-Firing Thermal Processes', Solar RRL, 1, http://dx.doi.org/10.1002/solr.201700129

Hallam BJ; Hamer PG; Bonilla RS; Wenham SR; Wilshaw PR, 2017, 'Method of Extracting Solar Cell Parameters from Derivatives of Dark I-V Curves', IEEE Journal of Photovoltaics, 7, pp. 1304 - 1312, http://dx.doi.org/10.1109/JPHOTOV.2017.2731778

Hallam BJ; Chan CE; Chen R; Wang S; Ji J; Mai L; Abbott MD; Payne DNR; Kim M; Chen D; Chong C; Wenham SR, 2017, 'Rapid mitigation of carrier-induced degradation in commercial silicon solar cells', Japanese Journal of Applied Physics, 56, pp. 08mb13, http://dx.doi.org/10.7567/JJAP.56.08MB13

Hallam B; Chen D; Kim M; Stefani B; Hoex B; Abbott M; Wenham S, 2017, 'The role of hydrogenation and gettering in enhancing the efficiency of next-generation Si solar cells: An industrial perspective', Physica Status Solidi (A) Applications and Materials Science, 214, http://dx.doi.org/10.1002/pssa.201700305

Kim M; Hamer P; Li H; Payne D; Wenham S; Abbott M; Hallam B, 2017, 'Impact of thermal processes on multi-crystalline silicon', Frontiers in Energy, 11, pp. 32 - 41, http://dx.doi.org/10.1007/s11708-016-0427-5

Chen D; Edwards M; Wenham S; Abbott M; Hallam B, 2017, 'Laser enhanced gettering of silicon substrates', Frontiers in Energy, 11, pp. 23 - 31, http://dx.doi.org/10.1007/s11708-016-0441-7

Li H; Kim K; Hallam B; Hoex B; Wenham S; Abbott M, 2017, 'POCl3 diffusion for industrial Si solar cell emitter formation', Frontiers in Energy, 11, pp. 42 - 51, http://dx.doi.org/10.1007/s11708-016-0433-7

Nampalli N; Fung TH; Wenham S; Hallam B; Abbott M, 2017, 'Statistical analysis of recombination properties of the boron-oxygen defect in p-type Czochralski silicon', Frontiers in Energy, 11, pp. 4 - 22, http://dx.doi.org/10.1007/s11708-016-0442-6

Kim M; Abbott M; Nampalli N; Wenham S; Stefani B; Hallam B, 2017, 'Modulating the extent of fast and slow boron-oxygen related degradation in Czochralski silicon by thermal annealing: Evidence of a single defect', Journal of Applied Physics, 121, http://dx.doi.org/10.1063/1.4975685

Chan C; Fung TH; Abbott M; Payne D; Wenham A; Hallam B; Chen R; Wenham S, 2017, 'Modulation of Carrier-Induced Defect Kinetics in Multi-Crystalline Silicon PERC Cells Through Dark Annealing', Solar RRL, 1, http://dx.doi.org/10.1002/solr.201600028

Li H; Hallam B; Wenham S; Abbott M, 2017, 'Oxidation Drive-In to Improve Industrial Emitter Performance by POCl3 Diffusion', IEEE Journal of Photovoltaics, 7, pp. 144 - 152, http://dx.doi.org/10.1109/JPHOTOV.2016.2631300

Wang S; Mai L; Wenham A; Hameiri Z; Payne D; Chan C; Hallam B; Sugianto A; Chong CM; Ji J; Shi Z; Wenham S, 2017, 'Selective emitter solar cell through simultaneous laser doping and grooving of silicon followed by self-aligned metal plating', Solar Energy Materials and Solar Cells, 169, pp. 151 - 158, http://dx.doi.org/10.1016/j.solmat.2017.05.018

Payne DNR; Chan CE; Hallam BJ; Hoex B; Abbott MD; Wenham SR; Bagnall DM, 2016, 'Rapid passivation of carrier-induced defects in p-type multi-crystalline silicon', Solar Energy Materials and Solar Cells, 158, pp. 102 - 106, http://dx.doi.org/10.1016/j.solmat.2016.05.022

Wenham A; Song L; Abbott M; Zafirovska I; Wang S; Hallam B; Chan C; Barnett A; Wenham S, 2016, 'Defect passivation on cast-mono crystalline screen-printed cells', Frontiers in Energy, 11, http://dx.doi.org/10.1007/s11708-016-0443-5

Chan CE; Payne DNR; Hallam BJ; Abbott MD; Fung TH; Wenham AM; Tjahjono BS; Wenham SR, 2016, 'Rapid Stabilization of High-Performance Multicrystalline P-type Silicon PERC Cells', IEEE Journal of Photovoltaics, 6, pp. 1473 - 1479, http://dx.doi.org/10.1109/JPHOTOV.2016.2606704

Hallam B; Abbott M; Nærland T; Wenham S, 2016, 'Fast and slow lifetime degradation in boron-doped Czochralski silicon described by a single defect', Physica Status Solidi - Rapid Research Letters, 10, pp. 520 - 524, http://dx.doi.org/10.1002/pssr.201600096

Payne DNR; Chan CE; Hallam BJ; Hoex B; Abbott MD; Wenham SR; Bagnall DM, 2016, 'Acceleration and mitigation of carrier-induced degradation in p-type multi-crystalline silicon', Physica Status Solidi - Rapid Research Letters, 10, pp. 237 - 241, http://dx.doi.org/10.1002/pssr.201510437

Hallam B; Abbott M; Nampalli N; Hamer P; Wenham S, 2016, 'Influence of the formation-And passivation rate of boron-oxygen defects for mitigating carrier-induced degradation in silicon within a hydrogen-based model', Journal of Applied Physics, 119, http://dx.doi.org/10.1063/1.4941387

Hamer P; Hallam B; Abbott M; Chan C; Nampalli N; Wenham S, 2016, 'Investigations on accelerated processes for the boron-oxygen defect in p-type Czochralski silicon', Solar Energy Materials and Solar Cells, 145, pp. 440 - 446, http://dx.doi.org/10.1016/j.solmat.2015.11.013

Hallam BJ; Abbott MD; Nampalli N; Hamer PG; Wenham SR, 2016, 'Implications of accelerated recombination-active defect complex formation for mitigating carrier-induced degradation in silicon', IEEE Journal of Photovoltaics, 6, pp. 92 - 99, http://dx.doi.org/10.1109/JPHOTOV.2015.2494691

Hallam B; Urueña A; Russell R; Aleman M; Abbott M; Dang C; Wenham S; Tous L; Poortmans J, 2015, 'Efficiency enhancement of i-PERC solar cells by implementation of a laser doped selective emitter', Solar Energy Materials and Solar Cells, 134, pp. 89 - 98, http://dx.doi.org/10.1016/j.solmat.2014.11.028

Nampalli N; Hallam BJ; Chan CE; Abbott MD; Wenham SR, 2015, 'Influence of Hydrogen on the Mechanism of Permanent Passivation of Boron-Oxygen Defects in p-Type Czochralski Silicon', IEEE Journal of Photovoltaics, 5, pp. 1580 - 1585, http://dx.doi.org/10.1109/JPHOTOV.2015.2466457

Hallam B; Chan C; Abbott M; Wenham S, 2015, 'Hydrogen passivation of defect-rich n-type Czochralski silicon and oxygen precipitates', Solar Energy Materials and Solar Cells, 141, pp. 125 - 131, http://dx.doi.org/10.1016/j.solmat.2015.05.009

Hamer P; Hallam B; Abbott M; Wenham S, 2015, 'Accelerated formation of the boron-oxygen complex in p-type Czochralski silicon', Physica Status Solidi - Rapid Research Letters, 9, pp. 297 - 300, http://dx.doi.org/10.1002/pssr.201510064

Nampalli N; Hallam B; Chan C; Abbott M; Wenham S, 2015, 'Evidence for the role of hydrogen in the stabilization of minority carrier lifetime in boron-doped Czochralski silicon', Applied Physics Letters, 106, pp. 173501, http://dx.doi.org/10.1063/1.4919385

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