Recent papers on photovoltaics

I. Metastable defects in II-VI and chalcopyrite semiconductors

  1. Stephan Lany and Alex Zunger, Intrinsic DX Centers in Ternary Chalcopyrite Semiconductors, Phys. Rev. Lett. 100, 016401 (2008). (pdf)

  2. A. Zunger New insights on chalcopyrites from solid-state theory , Thin Solid Films 515, 6160-6162 (2007). (pdf)

  3. Stephan Lany and Alex Zunger, Light and bias induced metastabilities in Cu(In,Ga)Se2 based solar cells caused by the (VSe-VCu) vacancy complex, J. Appl. Phys. 100, 113725 (2006). (pdf)

  4. Stephan Lany and Alex Zunger, Anion vacancies as a source of persistent photoconductivity in II-VI and chalcopyrite semiconductors, Phys. Rev. B 72, 035215 (2005). (pdf)

  5. Stephan Lany and Alex Zunger, Metal-dimer atomic reconstruction leading to deep donor states of the anion vacancy in II-VI and chalcopyrite semiconductors, Phys. Rev. Lett. 93, 156404 (2004). (pdf)

  6. Y.J. Zhao and A. Zunger Site Preference for Mn Substitution in Spintronic CuMnX2 Chalcopyrite Semiconductors , Phys. Rev. B 69, 075208 (2004). (pdf)

  7. Y.J. Zhao and A. Zunger Electronic Structure and Ferromagnetism of Mn-Substituted CuAlS2, CuGaS2, CuInS2, CuGaTe2 , Phys. Rev. B 69, 104422 (2004). (pdf)

  8. Y.J. Zhao, P. Mahadevan and A. Zunger Comparison of predicted ferromagnetic tendencies of Mn substituting the Ga site in III-Vs and in I-III-VI2 chalcopyrite semiconductors , App. Phys. Letters 84, 3753 (2004). (pdf)

  9. L.G. Wang and A. Zunger Dilute Non-isovalent (II-VI)-(III-V) Semiconductor Alloys: Monodoping, Co-doping and Cluster Doping in ZnSe-GaAs , Phys. Rev. B 68, 125211 (2003). (pdf)

  10. L.G. Wang and A. Zunger Cluster Doping Approach for Wide-Gap Semiconductors , Physical Review Letters 90, 256401 (2003). (pdf)

II. Doping of photovoltaic semiconductors

  1. Hannes Raebiger, Stephan Lany, and Alex Zunger, Origins of the p-type nature and cation deficiency in Cu2O and related materials , Phys. Rev. B 76, 045209 (2007) (pdf)

  2. Clas Persson, Yu-Jun Zhao, Stephan Lany, and Alex Zunger, n-type doping of CuInSe2 and CuGaSe2, Phys. Rev. B 72, 035211 (2005). (pdf)

  3. Stephan Lany, Yu-Jun Zhao, Clas Persson, and Alex Zunger, n-type doping principles for doping CuInSe2 and CuGaSe2 with Cl, Br, I, Mg, Zn, and Cd , Proc. 31st IEEE Photovoltaic Specialists Conference, 343 (2005). (pdf)

  4. Stephan Lany, Yu-Jun Zhao, Clas Persson, and Alex Zunger, Halogen n-type doping of chalcopyrite semiconductors, Appl. Phys. Lett. 86, 042109 (2005). (pdf)

  5. Yu-Jun Zhao, Clas Persson, Stephan Lany, and Alex Zunger, Why can CuInSe2 be readily equilibrium-doped n-type but the wider-gap CuGaSe2 can not, Appl. Phys. Lett. 85, 5860 (2004). (pdf)

  6. Cetin Kilic and Alex Zunger, n-type doping and passivation of CuInSe2 and CuGaSe2 by hydrogen, Phys. Rev. B 68, 075201 (2003). (pdf)

  7. Cetin Kilic and Alex Zunger, Doping of chalcopyrites by hydrogen, Appl. Phys. Lett. 83, 2007 (2003). (pdf)

  8. Alex Zunger, Practical doping principles, Appl. Phys. Lett. 83, 57 (2003). (pdf)

III. Grain boundaries in polycrystalline solar cells

  1. Clas Persson and Alex Zunger, Compositionally induced valence-band offset at the grain boundary of polycrystalline chalcopyrites creates a hole barrier , Appl. Phys. Lett. 87, 211904 (2005). (pdf)

  2. M.J. Hetzer, Y.M. Strzhemechny, M. Gao, M.A. Contreras, A. Zunger, and L.J. Brillson, Direct observation of copper depletion and potential changes at copper indium gallium diselenide grain boundaries , Appl. Phys. Lett. 86, 162105 (2005). (pdf)

  3. Clas Persson and Alex Zunger, Anomalous Grain Boundary Physics in Polycrystalline CuInSe2: The Existence of a Hole Barrier, Phys. Rev. Lett. 91, 266401 (2003). (pdf)

IV. 3rd generation solar cells employing quantum dots

  1. J.-W. Luo, A. Franceschetti, and A. Zunger Carrier Multiplication in Semiconductor Nanocrystals: Theoretical Screening of Candidate Materials Based on Band-Structure Effects Nano Lett. 8 (10), 3174-3181 (2008) (pdf).
  2. Voicu Popescu, Gabriel Bester, Mark C. Hanna, Andrew G. Norman, and Alex Zunger Theoretical and experimental examination of the intermediate-band concept for strain-balanced (In,Ga)As/Ga(As,P) quantum dot solar cells Phys. Rev. B 78, 205321 (2008) (pdf).
  3. Marco Califano, Alex Zunger, and Alberto Franceschetti Direct carrier multiplication due to inverse Auger scattering in CdSe quantum dots , Appl. Phys. Lett. 84, 2409 (2004). (pdf)