Publications

Tabula Rasa for n‐Cz silicon‐based photovoltaics

High‐temperature annealing, known as Tabula Rasa (TR), proves to be an effective method for dissolving oxygen precipitate nuclei in …

V. LaSalvia, A. Youssef, M.A. Jensen, E.E. Looney, W. Nemeth, M. Page, W. Nam, T. Buonassisi, P. Stradins

High-performance p-type multicrystalline silicon (mc-Si): Its characterization and projected performancen PERC solar cells

In industrial silicon solar cells, oxygen-related defects lower device efficiencies by up to 20% (rel.). In order to mitigate these …

P.P. Altermatt, Z. Xionga, Q. He, W. Deng, F. Ye, Y. Yang, Y. Chen, Z. Feng, P.J. Verlinden, A. Liu, D.H. Macdonald, T. Luka”, D. Lausch, M. Turek, C. Hagendorf, H. Wagner-Mohnsen, J. Schön, W. Kwapil, F. Frühauf, O. Breitenstein, E.E. Looney, T. Buonassisi, D.B. Needleman, C.M. Jackson, A.R. Arehart, S.A. Ringel, K.R. McIntosh, M.D. Abbott, B.A. Sudbury, A. Zuschlag, C. Winter, D. Skorka, G. Hahn, D. Chung, B. Mitchell, P. Geelan-Small, T. Trupke

Oxygen-related defect characterization using correlative microscopy

Swirl defects caused by oxide-related defects, namely oxide precipitates, have a detrimental effect on solar cell performance as these …

A. Youssef, E.E. Looney, M.A. Jensen, A.E. Morishige, S. Mack, S. Wieghold, H.S. Laine, J.R. Poindexter, B.Lai, H. Savin, T. Buonassisi

High Tolerance to Iron Contamination in Lead Halide Perovskite Solar Cells

The relationship between charge-carrier lifetime and the tolerance of lead halide perovskite (LHP) solar cells to intrinsic point …

J.R. Poindexter, L.Z. Hoye, L.Nienhaus, R.C. Kurchin. A.E. Morishige E.E. Looney, A. Osherov, J.P. Correa-Baena, B. Lai, V. Bulovic, V. Stevanovixc, M.G. Bawendi, T. Buonassisi

Oxygen migration enthalpy likely limits oxide precipitate dissolution during tabula rasa

In industrial silicon solar cells, oxygen-related defects lower device efficiencies by up to 20% (rel.). In order to mitigate these …

E.E. Looney, H.S. Laine, A. Youssef, M.A. Jensen, V. LaSalvia, P. Stradins, T. Buonassisi

Do grain boundaries matter? Electrical and elemental identification at grain boundaries in LeTID-affected p-type multicrystalline silicon

In industrial silicon solar cells, oxygen-related defects lower device efficiencies by up to 20% (rel.). In order to mitigate these …

M.A. Jensen, A.E. Morishige, S.Chakraborty, R. Sharma, H.C. Sio, C. Sun, B.Lai, V. Rose, A. Youssef, E.E. Looney, S. Wieghold, J. Poindexter, J.P. Corres-Baena, D. Macdonald, J.B. Li, T. Buonassisi

Tabula Rasa: Oxygen precipitate dissolution though rapid high temperature processing in silicon

Over one fourth of all monocrystalline silicon ingots suffer from a 20% performance degradation due to oxygen precipitates. Tabula Rasa …

E.E. Looney, H.S. Laine, M.A. Jensen, A. Youssef, V. LaSalvia, P. Stradins, T. Buonassisi

Assessing the defect responsible for LeTID: temperature- and injection-dependent lifetime spectroscopy

Temperature- and injection-dependent lifetime spectroscopy (TIDLS) is employed to study the defect responsible for light- and elevated …

M.A. Jensen, E.E. Looney, A.E. Morishige, C. Vargas, Z. Hameiri, T. Buonassisi

Thin silicon solar cells: Pathway to cost-effective and defect-tolerant cell design

Thinner silicon wafers are a pathway to lower cost without compromising the efficiency of solar cells. In this work, we study the …

A. Augusto, E.E. Looney, C. del Carnizo, S.G. Bowden, T. Buonassisi”

Accelerating Synchrotron-Based Characterization of Solar Materials: Development of Flyscan Capability

The root cause of light- and elevated temperatureinduced degradation (LeTID) in multicrystalline silicon p-type passivated emitter and …

A.E. Morishige, H.S. Laine, M.A. Jensen, P.X.T. Yen, E.E. Looney, S. Vogt, B. Lai, T. Buonassisi

Ex Situ and In Situ Neutron Imaging of Enzymatic Electrochemical Cells

Neutron imaging provides a route for studying the effect of environmental conditions on enzymatic electrochemical cell (EEC) …

E.E. Looney, G.J. Nelson, Z.K. van Zandt, S. Singhal, L.J. Santodonato, H.Z. Bilheux