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Effect of the ligand in the crystal structure of zinc oxide: an x-ray powder diffraction, x-ray absorption near-edge structure, and an extended x-ray absorption fine structure study

  • María de los A. Cepeda-Pérez (a1), Cristina M. Reyes-Marte (a1), Valerie Ann Carrasquillo (a1), William A. Muñiz (a1), Edgar J. Trujillo (a1), Rahul Singhal (a2), Harry Rivera (a3) and Mitk'El B. Santiago-Berríos (a1)...


We analyze the effect of functionalization in the surface of zinc oxide crystal structure by 3-mercaptopropionic acid. X-ray powder diffraction data and extended x-ray absorption fine structure studies confirms a wurtzite structure. However, the morphology of the surface seems to be reduced and shows a film-like surface as demonstrated by x-ray absorption near edge structure and scanning electron microscopy. As a result of surface functionalization, the energy levels of the semiconductor were shifted toward reductive potentials (by 50 mV) as determined by diffuse reflectance and cyclic voltammetry.


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Address all correspondence to Mitk'El B. Santiago-Berríos at


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