Publications

Using Atom-Probe Tomography to Understand ZnO∶Al/SiO2/Si Schottky Diodes

R. Jaramillo, A. Youssef, A.J. Akey, F. Schoofs, S. Ramanathan, and T. Buonassisi
Physical Review Applied 6, 034016 (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)

Dopant activation in Sn-doped Ga₂O₃ investigated by X-ray absorption spectroscopy

S.C. Siah, R.E. Brandt, K. Lim, L.T. Schelhas, R. Jaramillo, M.D. Heinemann, D. Chua, J. Wright, J.D. Perkins, C.U. Segre, R.G. Gordon, M.F. Toney, and T. Buonassisi
Applied Physics Letters 107, 252103 (2015)

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

X-Ray absorption spectroscopy study of structure and stability of disordered (Cu₂SnS₃)_(1-x)(ZnS)_x alloys upon annealing

S.C. Siah, R. Jaramillo, R. Chakraborty, P.T. Erslev, T.-C. Weng, M.F. Toney, G. Teeter, and T. Buonassisi
IEEE Journal of Photovoltaics 5, 372 (2015)

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)

Variations of ionization potential and electron affinity as a function of surface orientation: The case of orthorhombic SnS

V. Stevanovic, K. Hartman, R. Jaramillo, S. Ramanathan, T. Buonassisi, and P. Graf
Applied Physics Letters 104, 211603 (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)