• Associate Professor
Sreeram Vaddiraju image

Educational Background

  • Ph.D., University of Louisville, 2006
  • M.S., University of Louisiana, 2002
  • B. Tech., Andhra University, India, 2000

Research Interests

  • Development of novel vapor phase techniques for the synthesis of organic and inorganic nanostructures and the development and implementation of novel in-situ and ex-situ schemes for the large-scale integration of these nanostructures into energy conversion devices (e.g., solar cells, thermoelectric devices).

Awards & Honors

  • Fluor Distinguished Teaching Award, 2014

Selected Publications

  • V. Vasiraju, L. Brockway, S. Balachandran, A. Srinivasa, S. Vaddiraju, ‘Shear Induced Simultaneous Consolidation and Alignment of Silicon Nanowires into Ingots using Equal Channel Angular Extrusion (ECAE)’, Materials Research Express, 2(1), 015013, 2015.
  • G. Ramos-Sanchez, M. Albornoz, Y-H. Yu, Z. Cheng, V. Vasiraju, S. Vaddiraju, F. El Mellouhi, P. B. Balbuena, ‘Organic molecule functionalized Zn3P2 nanowires for photochemical water splitting and H2 production: DFT and Experimental Analyses’, International Journal of Hydrogen Energy, 39(35), 19887–19898, 2014.
  • A. Nie, Y. Cheng, Y. Zhu, H. Asayesh-Ardakani, R. Tao, F. Mashayek, Y. Han, U. Schwingenschl√∂gl, R. F. Klie, S. Vaddiraju, R. Shahbazian-Yassar, ‘Lithiation-induced shuffling of atomic stacks’, Nano Letters, 14(9), 5301-5307, 2014.
  • L. Brockway, V. Vasiraju, M. K. Sunkara, S. Vaddiraju, ‘Engineering efficient thermoelectrics from large-scale assemblies of doped ZnO nanowires: Nanoscale effects and resonant-level scattering’, ACS Applied Materials & Interfaces, 6(17), 14923-14930, 2014.
  • V. Vasiraju, Y. Kang, S. Vaddiraju, ‘Non-conformal decoration of semiconductor nanowire surfaces with boron nitride (BN) molecules for stability enhancement: Degradation-resistant Zn3P2, ZnO and Mg2Si nanowires’, Physical Chemistry Chemical Physics, 16 (30), 16150-16157, 2014.
  • Y. Kang, S. Vaddiraju, ‘Solid-state phase transformation as a route for the simultaneous synthesis and welding of single-crystalline Mg2Si Nanowires’, Chemistry of Materials, 26, 2814, 2014.
  • L. Brockway, V. Vasiraju, S. Vaddiraju, ‘Compositional disorder and its effect on the thermoelectric performance of Zn3P2 nanowire-copper nanoparticle composites, Nanotechnology, 25, 125402, 2014.
  • L. Brockway, V. Vasiraju, H. Asayesh-Ardakani, R. Shahbazian-Yassar, S. Vaddiraju, ‘Thermoelectric properties of bulk Zn3P2 nanowire assemblies’, Nanotechnology, 25, 145401, 2014.
  • L. Brockway, M. Van Laer, Y. Kang, S. Vaddiraju, ‘Large-scale synthesis and in situ functionalization of Zn3P2 and Zn4Sb3 nanowire powders’, Physical Chemistry Chemical Physics, 15, 6260-6267, 2013.
  • Y. Kang, L. Brockway, S. Vaddiraju, ‘A simple phase transformation strategy for converting silicon nanowires into metal silicide nanowires: Magnesium silicide’, Materials letters, 100, 106-110, 2013.
  • L. Brockway, C. Pendyala, J. Jasinski, M. K. Sunkara, S. Vaddiraju, ‘A postsynthesis decomposition strategy for group III–nitride quantum wires’, Crystal Growth & Design, 11(10), 4559-4564, 2011.
  • M. E. Alf, A. Asatekin, M. C. Barr, S. H. Baxamusa, H. Chelawat, G. Ozaydin-Ince, C. D. Petruczok, R. Sreenivasan, W. E. Tenhaeff, N. J. Trujillo, S. Vaddiraju, J. Xu, Karen K. Gleason, ‘Chemical vapor deposition of conformal, functional, and responsive polymer films’, Advanced Functional Materials, 22, 1993-2027, 2010.
  • Chelawat, S. Vaddiraju, K. K. Gleason, ‘Conformal, conducting poly(3,4-ethylenedioxythiophene) thin films deposited using bromine as the oxidant in a completely dry oxidative chemical vapor deposition process’, Chemistry of Materials, 22, 2864, 2010.
  • S. Vaddiraju, K. K. Gleason, ‘Selective sensing of volatile organic compounds using novel conducting polymer-metal nanoparticle hybrids’, Nanotechnology, 21, 125503, 2010.
  • C. Pendyala, S. Vaddiraju, J. H. Kim, J. Jacinski, Z. Q. Chen, M. K. Sunkara, ‘Self-nucleation and growth of group III-antimonide nanowires’, Semiconductor Science and technology, 25, 024014, 2010.
  • S. Vaddiraju, H. Cebeci, Karen K. Gleason, Brian L. Wardle, ‘Hierarchical multifunctional composites by conformally coating aligned carbon nanotube arrays with conducting polymer’, ACS Applied Materials and Interfaces, 1, 2565, 2009
  • J. Thangala, S. Vaddiraju, S. Malhotra, V. Chakrapani, M. K. Sunkara, ‘A hot-wire chemical vapor deposition (HWCVD) method for metal oxide and their alloy nanowire arrays’, Thin Solid Films, 517, 3600, 2009.
  • S. Vaddiraju, K. Senecal, Karen K. Gleason, ‘Novel strategies for the deposition of -COOH conducting copolymer films and assembling inorganic nanoparticles on conducting polymer platforms’, Advanced Functional Materials, 18, 1929, 2008.
  • S. Vaddiraju, M. K. Sunkara, A. H. Chin, C. Z. Ning, G. R. Dholakia, M. Meyyappan, ‘Synthesis of group III-antimonide nanowires’, Journal of Physical Chemistry C, 111(20), 7339, 2007.