Select Publications

Journal articles

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

Hamer P; Wang S; Hallam B; Wenham S; Chong CM; Wenham A; Abbott M, 2015, 'Laser illumination for manipulation of hydrogen charge states in silicon solar cells', Physica Status Solidi - Rapid Research Letters, 9, pp. 111 - 114, http://dx.doi.org/10.1002/pssr.201409495

Cornagliotti E; Uruena A; Hallam B; Tous L; Russell R; Duerinckx F; Szlufcik J, 2015, 'Large area p-type PERL cells featuring local p+ BSF formed by laser processing of ALD Al2O3 layers', Solar Energy Materials and Solar Cells, 138, pp. 72 - 79, http://dx.doi.org/10.1016/j.solmat.2015.02.034

Song L; Wenham A; Wang S; Hamer P; Ahmmed MS; Hallam B; Mai L; Abbott M; Hawkes ER; Chong C; Wenham S, 2015, 'Laser enhanced hydrogen passivation of silicon wafers', International Journal of Photoenergy, 2015, pp. 1 - 13, http://dx.doi.org/10.1155/2015/193892

Chan C; Abbott M; Hallam B; Juhl M; Lin D; Li Z; Li Y; Rodriguez J; Wenham S, 2015, 'Edge isolation of solar cells using laser doping', Solar Energy Materials and Solar Cells, 132, pp. 535 - 543, http://dx.doi.org/10.1016/j.solmat.2014.10.002

Hallam B; Tjahjono B; Trupke T; Wenham S, 2014, 'Erratum: Photoluminescence imaging for determining the spatially resolved implied open circuit voltage of silicon solar cells (Journal of Applied Physics (2014) 115 (044901))', Journal of Applied Physics, 115, http://dx.doi.org/10.1063/1.4884755

Hallam B; Augarten Y; Tjahjono B; Trupke T; Wenham S, 2014, 'Photoluminescence imaging for determining the spatially resolved implied open circuit voltage of silicon solar cells', Journal of Applied Physics, 115, http://dx.doi.org/10.1063/1.4862957

Hallam BJ; Hamer PG; Wenham SR; Abbott MD; Sugianto A; Wenham AM; Chan CE; Xu G; Kraiem J; Degoulange J; Einhaus R, 2014, 'Advanced bulk defect passivation for silicon solar cells', IEEE Journal of Photovoltaics, 4, pp. 88 - 95, http://dx.doi.org/10.1109/JPHOTOV.2013.2281732

Hallam B; Sugianto A; Mai L; Xu G; Chan C; Abbott M; Wenham S; Uruena A; Cornagliotti E; Aleman M, 2014, 'Hydrogen passivation of laser-induced defects for laser-doped silicon solar cells', IEEE Journal of Photovoltaics, 4, pp. 1413 - 1420, http://dx.doi.org/10.1109/JPHOTOV.2014.2347804

Lin D; Abbott M; Lu PH; Xiao B; Hallam B; Tjahjono B; Wenham S, 2014, 'Incorporation of deep laser doping to form the rear localized back surface field in high efficiency solar cells', Solar Energy Materials and Solar Cells, 130, pp. 83 - 90, http://dx.doi.org/10.1016/j.solmat.2014.06.037

Hamer P; Hallam B; Wenham S; Abbott M, 2014, 'Manipulation of hydrogen charge states for passivation of P-type wafers in photovoltaics', IEEE Journal of Photovoltaics, 4, pp. 1252 - 1260, http://dx.doi.org/10.1109/JPHOTOV.2014.2339494

Chan CE; Abbott MD; Juhl MK; Hallam BJ; Xiao B; Wenham SR, 2013, 'Assessing the Performance of Surface Passivation Using Low-Intensity Photoluminescence Characterization Techniques', IEEE Journal of Photovoltaics, pp. 1 - 7, http://dx.doi.org/10.1109/JPHOTOV.2013.2282739

Hallam B; Wenham S; Lee H; Lee E; Lee H; Kim J; Shin J; Cho K; Kim J, 2012, 'Record Efficiency on Large Area P-Type Czochralski Silicon Substrates', Japanese Journal of Applied Physics, 51, pp. 10NA08 - 10NA08, http://dx.doi.org/10.7567/jjap.51.10na08

Hallam B; Wenham S; Lee H; Lee E; Lee H; Kim J; Shin J, 2012, 'Erratum: Effect of edge junction isolation on the performance of laser doped selective emitter solar cells (Solar Energy Materials & Solar Cells (2011) 95 (3557-3563))', Solar Energy Materials and Solar Cells, 99, pp. 365, http://dx.doi.org/10.1016/j.solmat.2011.12.017

Wang Z; Han P; Lu H; Qian H; Chen L; Meng Q; Tang N; Gao F; Jiang Y; Wu J; Wu W; Zhu H; Jingjia J; Shi Z; Sugianto A; Mai L; Hallam B; Wenham SR, 2012, 'Advanced PERC and PERL production cells with 20.3% record efficiency for standard commercial p-type silicon wafers', Progress in Photovoltaics: Research and Applications, 20, pp. 260 - 268, http://dx.doi.org/10.1002/pip.2178

Hallam B; Tjahjono BS; Wenham SR, 2012, 'Effect of PECVD silicon oxynitride film composition on the surface passivation of silicon wafers', Solar Energy Materials and Solar Cells, 96, pp. 173 - 179, http://dx.doi.org/10.1016/j.solmat.2011.09.052

Hallam B; Wenham SR; Lee H; Lee E; Lee H; Kim KJ; Shin J; Cho K; Kim J, 2012, 'Record Efficiency on Large Area P-Type Czochralski Silicon Substrates', Japanese Journal of Applied Physics, 51, pp. 10NA08, http://dx.doi.org/10.1143/JJAP.51.10NA08

Lee E; Lee H; Choi CJ; Oh D; Shim J; Cho K; Kim KJ; Lee S; Hallam B; Wenham SR; Lee H, 2011, 'Improved LDSE processing for the avoidance of overplating yielding 19.2% efficiency on commercial grade crystalline Si solar cell', Solar Energy Materials and Solar Cells, 95, pp. 3592 - 3595, http://dx.doi.org/10.1016/j.solmat.2011.07.030

Conference Papers

Yamaguchi M; Araki K; Zhang Y; Hallam B; Kojima N; Ohshita Y, 2023, 'Consideration for importance of concentrating photovoltaics (PV) toward TW-scale PV production', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0146171

Kim M; Wang L; Zhang Y; Underwood R; Drury S; Hallam B, 2023, 'Roadmap towards sustainable SHJ solar cell design', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0140906

Wright M; Chen R; Wright B; Soeriyadi A; Stefani BV; Zhang X; Hallam B, 2022, '0.3% Efficiency Improvement for n-PERT Solar Cells with Illuminated Hydrogenation Process', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0090522

Soeriyadi AH; Hollemann C; Madumelu C; Haase F; Römer U; Brendel R; Peibst R; Hallam BJ, 2022, 'Impact of Firing and Capping Layers on Long-term Stability of Doped Poly-Si Passivating Contact Layers', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0089658

Kim M; Zhang Y; Verlinden P; Hallam B, 2022, 'Towards Sustainable Silicon PV Manufacturing at the Terawatt Level', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0090424

Wright B; Hallam B, 2022, 'Unsupervised Machine Learning for Photovoltaic Systems: Modelling LID Dynamics in SHJ Solar Cells', in AIP Conference Proceedings, http://dx.doi.org/10.1063/5.0089218

Hallam B; Kim M; Underwood R; Drury S; Wang L; Dias PR, 2022, 'A Silicon learning curve and polysilicon requirements for broad-electrification with photovoltaics by 2050', in 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), IEEE, pp. 1177 - 1177, presented at 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), 05 June 2022 - 10 June 2022, http://dx.doi.org/10.1109/pvsc48317.2022.9938918

Dias PR; Kim M; Lennon A; Hallam B, 2022, 'What is the Role of Recycling in the Solar Terawatt Future?', in 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), IEEE, pp. 1047 - 1047, presented at 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), 05 June 2022 - 10 June 2022, http://dx.doi.org/10.1109/pvsc48317.2022.9938641

Kim M; Ciesla A; Sun C; Chen D; Malcolm A; Hallam B, 2021, 'Application of Δn Normalised Time, β: Linear Injection-Level Dependence on LeTID and the Recovery in Crystalline Silicon', in 38th European Photovoltaic Solar Energy Conference and Exhibition, Online, pp. 191 - 193, presented at 38th European Photovoltaic Solar Energy Conference and Exhibition, Online, 06 September 2021 - 10 September 2021

Zhang Y; Kim M; Wang L; Dias P; Underwood R; Verlinden P; Hallam B, 2021, 'Towards Multi-TW Scale Manufacturing of PV Technologies: Challenges Related to Material Consumption', in Proceedings - ISES Solar World Congress 2021, International Solar Energy Society (ISES), pp. 62 - 71, presented at Proceedings of the ISES Solar World Congress 2021, - 29 November 2021, http://dx.doi.org/10.18086/swc.2021.04.01

Heikkinen ITS; Wright B; Soeriyadi AH; Yli-Koski M; Kim M; Vahanissi V; Hallam BJ; Savin H, 2020, 'Can hydrogenation mitigate Cu-induced bulk degradation in silicon?', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 2582 - 2585, http://dx.doi.org/10.1109/PVSC45281.2020.9300619

Weigand W; Muralidharan P; Chen D; Soeriyadi A; Stefani BV; Hallam B; Goodnick SM; Yu ZJ; Holman ZC, 2020, 'Diffusion profiles beneath silicon heterojunction contacts reduce contact resistivity and increase efficiency', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1404 - 1407, http://dx.doi.org/10.1109/PVSC45281.2020.9300520

Wright M; Kim M; Dexiang P; Xin X; Wenbin Z; Wright B; Hallam B, 2019, 'Multifunctional process to improve surface passivation and carrier transport in industrial N-type silicon heterojunction solar cells by 0.7% absolute', in AIP Conference Proceedings, http://dx.doi.org/10.1063/1.5123882

Soeriyadi A; Weigand W; Wright B; Stefani BV; Wright M; Sen C; Chen D; Kim M; Holman Z; Hallam B, 2019, 'Elevating Low-Quality Silicon Wafers for High-Efficiency Silicon Heterojunction Solar Cell Applications', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 807 - 812, http://dx.doi.org/10.1109/PVSC40753.2019.8980613

Chen D; Weigand W; Wright M; Kim M; Shi J; Yu ZJ; Stefani BV; Soeriyadi A; Holman Z; Hallam B, 2019, 'Evaluating the Impact of and Solutions to Light-induced Degradation in Silicon Heterojunction Solar Cells', in Conference Record of the IEEE Photovoltaic Specialists Conference, pp. 1099 - 1103, http://dx.doi.org/10.1109/PVSC40753.2019.8980779

Chen D; Hamer P; Kim M; Mullins J; Sen C; Khan M; Oshima T; Abe H; Liu S; Ciesla A; Chan C; Chen R; Rougieux F; Zhou Z; Wright B; Varshney U; Vicari Stefani B; Soeriyadi A; Vargas Castrillon C; Samadi A; Hameiri Z; zhang X; Jin H; Qi W; Abbott M; Chong C; Peaker A; Hallam B, 2019, 'Will LeTID remain a commercial problem? Evaluating the solutions and a possible root cause. (LeTID仍是一个商业难题吗?根源分析和问题解决)', Wuxi, China, presented at 18th Issue PV WE CLASS-Crystalline Silicon Advanced Technology and Materials Forum, Wuxi, China, 24 April 2019 - 24 May 2019, http://dx.doi.org/10.26190/unsworks/27317

Chen D; Hamer P; Ciesla A; Chan C; Chen R; Rougieux F; Liu S; Kim M; Samadi A; Wright B; Vargas C; Zhang X; Hameiri Z; Hao J; Wenham S; Abbott M; Hallam B, 2019, 'Hydrogen-Induced Degradation: An explanation of Light-and Elevated Temperature-Induced Degradation Mechanisms in n-and p-type Silicon', Leuven, Belgium, presented at 9thInternational Conference on Crystalline Silicon Photovoltaics 2019, Leuven, Belgium, 08 April 2019, http://dx.doi.org/10.26190/unsworks/27902

Chen D; Kim M; Shi J; Yu ZJ; Leilaeioun AM; Liu S; Stefani B; Wenham S; Einhaus R; Holman Z; Hallam B, 2018, '< 700 mV Open-Circuit Voltages on Defect-Engineered P-type Silicon Heterojunction Solar Cells on Czochralski and Multicrystalline Wafers', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, pp. 1677 - 1681, http://dx.doi.org/10.1109/PVSC.2018.8548239

Chen R; Ciesla AM; Chen D; Chan CE; Hamer PG; Hallam BJ; Wenham SR, 2018, 'Impact of the impurity concentration on modulating charge state occupation in silicon', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, pp. 53 - 57, http://dx.doi.org/10.1109/PVSC.2018.8548195

Chang NL; Hallam B; Chen D; Egan RJ, 2018, 'Techno-economic analysis of silicon heterojunction cell sequences using hydrogenated p-type wafers', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, pp. 2108 - 2113, http://dx.doi.org/10.1109/PVSC.2018.8547685

Herguth A; Hallam B, 2018, 'A generalized model for boron-oxygen related light-induced degradation in crystalline silicon', in AIP Conference Proceedings, http://dx.doi.org/10.1063/1.5049325

Liu S; Chan C; Chen D; Kim M; Sen C; Varshney U; Hallam B; Abbott M; Wenham S; Payne D, 2018, 'Investigation of temperature and illumination dependencies of carrier-induced degradation in p -type multi-crystalline silicon', in AIP Conference Proceedings, http://dx.doi.org/10.1063/1.5049333

Wenham ACN; Wenham S; Chen R; Chan C; Chen D; Hallam B; Payne D; Fung T; Kim M; Liu S; Wang S; Kim K; Samadi A; Sen C; Vargas C; Varshney U; Stefani BV; Hamer P; Bourret-Sicotte G; Nampalli N; Hameiri Z; Chong C; Abbott M; Ciesla A, 2018, 'Hydrogen-induced degradation', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, Institute of Electrical and Electronics Engineers (IEEE), Hawaii, USA, pp. 1 - 8, presented at 7th World Conference on Photovoltaic Energy Conversion, Hawaii, USA, 10 June 2018 - 17 June 2018, http://dx.doi.org/10.1109/PVSC.2018.8548100

Wenham ACN; Wenham S; Chen R; Chan C; Chen D; Hallam B; Payne D; Fung T; Kim M; Liu S; Wang S; Kim K; Samadi A; Sen C; Vargas C; Varshney U; Stefani BV; Hamer P; Bourret-Sicotte G; Nampalli N; Hameiri Z; Chong C; Abbott M, 2018, 'Hydrogen-induced degradation', IEEE, Waikoloa, HI, pp. 0001 - 0008, presented at 7th IEEE World Conference on Photovoltaic Energy Conversion (WCPEC), Waikoloa, HI, 10 June 2018 - 15 June 2018

Kim M; Chen D; Abbott M; Wenham S; Hallam B, 2018, 'Role of hydrogen: Formation and passivation of meta-stable defects due to hydrogen in silicon', in Ballif C; Brendel R; Glunz S; Hahn G; Poortmans J; Ribeyron PJ; Weeber A (eds.), AIP Conference Proceedings, AIP Publishing, SWITZERLAND, Lausanne, pp. 130010 - 130010, presented at 8th International Conference on Crystalline Silicon Photovoltaics (SiliconPV), SWITZERLAND, Lausanne, 19 March 2018 - 21 March 2018, http://dx.doi.org/10.1063/1.5049329

Fung TH; Kim M; Chen D; Samadi A; Chan CE; Hallam BJ; Wenham S; Abbott M, 2018, 'Influence of bound hydrogen states on carrier-induced degradation in multi-crystalline silicon', in Ballif C; Brendel R; Glunz S; Hahn G; Poortmans J; Ribeyron PJ; Weeber A (eds.), AIP Conference Proceedings, AIP Publishing, SWITZERLAND, Lausanne, pp. 130004, presented at 8th International Conference on Crystalline Silicon Photovoltaics (SiliconPV), SWITZERLAND, Lausanne, 19 March 2018 - 21 March 2018, http://dx.doi.org/10.1063/1.5049323

Kim M; Wenham S; Unsur V; Ebong A; Hallam B, 2018, 'Impact of Rapid Firing Thermal Processes on Meta-Stable Defects: Preformation of the LeTID and the Suppression of B-O Defects', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC 34th EU PVSEC), pp. 0341 - 0346, http://dx.doi.org/10.1109/PVSC.2018.8547666

Kim M; Chen D; Shi J; Abbott M; Holman Z; Wenham S; Hallam B, 2018, 'P-type Hybrid Heterojunction Solar Cells Naturally Incorporating Gettering and Bulk Hydrogenation', in 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC 34th EU PVSEC), pp. 2027 - 2031, http://dx.doi.org/10.1109/PVSC.2018.8547954

Kim M; chen DANIEL; abbott MALCOLM; wenham ; hallam ; Abbott M, 2017, 'INVESTIGATING THE INFLUENCE OF INTERSTITIAL IRON ON THE STUDY OF BORON-OXYGEN DEFECTS', in Proceedings of the 33rd European Photovoltaic Solar Energy Conference, Amsterdam, Netherlands, presented at 33rd European Photovoltaic Solar Energy Conference, Amsterdam, Netherlands, 25 September 2017 - 29 September 2017, http://dx.doi.org/10.4229/EUPVSEC20172017-2BO.2.6

chan C; abbott M; Chen D; chen R; chong C; ciesla A; hallam B; hameiri Z; kim K; liu S; samadi A; varshney U; wenham S, 2017, 'New insights into degradation in multi-crystalline silicon PERC Cells', Shanghai, China, presented at 2017 World Solar Congress, Shanghai, China, 04 September 2017 - 06 September 2017

Chan CE; Fung TH; Payne DNR; Chen D; Abbott MD; Ciesla AM; Chen R; Hallam BJ; Wenham SR, 2017, 'Investigation of carrier-induced defect behavior in p-type multi-crystalline silicon', in 2017 IEEE 44TH PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC), IEEE, DC, Washington, pp. 2576 - 2581, presented at IEEE 44th Photovoltaic Specialist Conference (PVSC), DC, Washington, 25 June 2017 - 30 June 2017, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000455636002138&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Fung TH; Chan CE; Hallam BJ; Payne DNR; Abbott MD; Wenham SR, 2017, 'Impact of annealing on the formation and mitigation of carrier-induced defects in multi-crystalline silicon', in Energy Procedia, Freiburg, Germany, pp. 726 - 733, presented at 7th International Conference on Silicon Photovoltaics, SiliconPV 2017, Freiburg, Germany, 03 April 2017 - 05 April 2017, http://dx.doi.org/10.1016/j.egypro.2017.09.087


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