Publications

The effect of embedded nanopillars on the built-in electric field of amorphous silicon p–i–n devices

T.R. Kirkpatrick, C.B. Simmons, A.J. Akey, N. Tabet, and T. Buonassisi
Journal of Applied Physics 119, 194501 (2016)

Targeted search for effective intermediate band solar cell materials

J.T. Sullivan, C.B. Simmons, T. Buonassisi, and J.J. Krich
IEEE Journal of Photovoltaics 5, 212 (2015)

Hole-mobility-limiting atomic structures in hydrogenated amorphous silicon

E.C. Johlin, C.B. Simmons, T. Buonassisi, and J.C. Grossman
Physical Review B 90, 104103 (2014)

Picosecond carrier recombination dynamics in chalcogen-hyperdoped silicon

M.-J. Sher, C.B. Simmons, J.J. Krich, A.J. Akey, M.T. Winkler, D. Recht, T. Buonassisi, M.J. Aziz, and A.M. Lindenberg
Applied Physics Letters 105, 053905 (2014)

Enhancing the infrared photoresponse of silicon by controlling the Fermi level location within an impurity band

C.B. Simmons, A.J. Akey, J.P. Mailoa, D. Recht, M.J. Aziz, and T. Buonassisi
Advanced Functional Materials 24, 2852–2858 (2014)

Room-temperature sub-band gap optoelectronic response of hyperdoped silicon

J.P. Mailoa, A.J. Akey, C.B. Simmons, D. Hutchinson, J. Mathews, J.T. Sullivan, D. Recht, M.T. Winkler, J.S. Williams, J.M. Warrender, P.D. Persans, M.J. Aziz, and T. Buonassisi
Nature Communications 5, 3011 (2014)

Deactivation of metastable single-crystal silicon hyperdoped with sulfur

C.B. Simmons, A.J. Akey, J.J. Krich, J.T. Sullivan, D. Recht, M.J. Aziz, and T. Buonassisi
Journal of Applied Physics 114, 243514 (2013)

Methodology for vetting heavily doped semiconductors for intermediate band photovoltaics: A case study in sulfur-hyperdoped silicon

J.T. Sullivan, C.B. Simmons, J.J. Krich, A.J. Akey, D. Recht, M.J. Aziz, and T. Buonassisi
Journal of Applied Physics 114, 103701 (2013)

Decoupling surface- and bulk-limited lifetimes in 100-μm thin silicon using transient absorption pump-probe spectroscopy

S.C. Siah, C.B. Simmons, J. Hofstetter, M.T. Winkler, and T. Buonassisi
Proc. 39th IEEE Photovoltaic Specialists Conference, Tampa, FL, USA (2013)

Crystalline silicon photovoltaics: A cost analysis framework for determining technology pathways to reach baseload electricity costs

D.M. Powell, M.T. Winkler, H.J. Choi, C.B. Simmons, D. Berney Needleman, and T. Buonassisi
Energy & Environmental Science 5, 5874–5883 (2012)

Featured in The Economist, Tech Review

Raman study of localized recrystallization of amorphous silicon induced by laser beam

N. Tabet, A. Al-Sayoud, S. Said, X. Yang, Y. Yang, A. Syed, E.-H. Diallo, Z.S. Wang, X. Wang, E.C. Johlin, C.B. Simmons, and T. Buonassisi
Proc. 38th IEEE Photovoltaic Specialists Conference, Austin, TX, USA (2011)