Sreeram Vaddiraju

Associate Professor

vaddiraju_web

Office: 237 CHEN
Phone: 979.862.1615
Fax: 979.845.6446
Email

Research Site

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

Education

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

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. Schwingenschlögl, 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.