Publications

Improving the Carrier Lifetime of Tin Sulfide via Prediction and Mitigation of Harmful Point Defects

A. Polizzotti, A. Faghaninia, J.R. Poindexter, L. Nienhaus, V. Steinmann, R.L.Z. Hoye, A. Felten, A. Deyine, N.M. Mangan, J.-P. Correa-Baena, S.S. Shin, S. Jaffer, M.G. Bawendi, C. Lo, and T. Buonassisi
The Journal of Physical Chemistry Letters 8, 3661–3667 (2017)

A two-step absorber deposition approach to overcome shunt losses in thin-film solar cells: Using tin sulfide as a proof-of-concept material system

V. Steinmann, R. Chakraborty, P.H. Rekemeyer, K. Hartman, R.E. Brandt, A. Polizzotti, C. Yang, T. Moriarty, S. Gradečak, R.G. Gordon, and T. Buonassisi
Applied Materials & Interfaces 8, 22664–22670 (2016)

The impact of sodium contamination in tin sulfide thin-film solar cells

V. Steinmann, R.E. Brandt, R. Chakraborty, R. Jaramillo, M.R. Young, B.K. Ofori-Okai, C. Yang, A. Polizzotti, K.A. Nelson, R.G. Gordon, and T. Buonassisi
APL Materials 4, 026103 (2016)

Transient terahertz photoconductivity measurements of minority-carrier lifetime in tin sulfide thin films: Advanced metrology for an early stage photovoltaic material

R. Jaramillo, M.-J. Sher, B.K. Ofori-Okai, V. Steinmann, C. Yang, K. Hartman, K.A. Nelson, A.M. Lindenberg, R.G. Gordon, and T. Buonassisi
Journal of Applied Physics 119, 035101 (2016)

Non-cubic solar cell materials

V. Steinmann, R.E. Brandt, and T. Buonassisi
Nature Photonics 9, 355 (2015)

News & Views article

Making record-efficiency SnS solar cells by thermal evaporation and atomic layer deposition

R. Jaramillo, V. Steinmann, C. Yang, K. Hartman, R. Chakraborty, J.R. Poindexter, M.L. Castillo, R.G. Gordon, and T. Buonassisi
Journal of Visualized Experiments 99, e52705 (2015)

Non-monotonic effect of growth temperature on carrier collection in SnS solar cells

R. Chakraborty, V. Steinmann, N.M. Mangan, R.E. Brandt, J.R. Poindexter, R. Jaramillo, J.P. Mailoa, K. Hartman, A. Polizzotti, C. Yang, R.G. Gordon, and T. Buonassisi
Applied Physics Letters 106, 203901 (2015)

Supporting online material available: ftp://ftp.aip.org/epaps/appl_phys_lett/E-APPLAB-106-056520

3.88% efficient tin sulfide solar cells using congruent thermal evaporation

V. Steinmann, R. Jaramillo, K. Hartman, R. Chakraborty, R.E. Brandt, J.R. Poindexter, Y.S. Lee, L. Sun, A. Polizzotti, H.H. Park, R.G. Gordon, and T. Buonassisi
Advanced Materials 26, 7488 (2014)

Co-optimization of SnS absorber and Zn(O,S) buffer materials for improved solar cells

H.H. Park, L. Sun, K. Hartman, R. Chakraborty, P. Sinsermsuksakul, T. Buonassisi, and R.G. Gordon
Progress in Photovoltaics DOI 10.1002/pip.2504 (2014)