Ian I. Suni | Chemistry and Biochemistry | SIU

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Ian I. Suni

Professor and Director, Materials Technology Center

Ian Suni

My research interests focus on electrochemistry and its applications to biosensors, including the use of electrochemical impedance spectroscopy; thin film growth and dissolution for photovoltaic devices, ULSI devices, and corrosion resistance; and nanomaterials,including nanoporous membranes and the use of nanoparticles for electrochemical signal amplification.                           

Education

B.S. Chemical Engineering, University of Michigan

Ph.D. Chemistry, Harvard University

Selected Publications

B.D. Falola, A. Krishnamurthy, R. Radhakrishnan and I.I. Suni, “Galvanic Deposition of Mo atop Al 6061 Alloy,” ECS Electrochem. Lett. 2, D37 (2013). 

S. Noyel Victoria, J. Jebaraj J.M., I.I. Suni and S. Ramanathan, “Chemical Mechanical Planarization of Ruthenium with Oxone as Oxidizer,” Electrochem. Solid-State Lett. 15, H55       (2012).

A. Krishnamurthy, D.H. Rasmussen and I.I. Suni, “Aqueous, Room Temperature Deposition of Compact Si Thin Films,” Electrochem. Solid-State Lett. 14, D99 (2011).

A. Krishnamurthy, D.H. Rasmussen and I.I. Suni, “Galvanic Deposition of Nanoporous Si onto 6061 Al Alloy from Aqueous HF,” J. Electrochem. Soc. 158, D68 (2011). 

J. Jebaraj J.M., D.H. Rasmussen and I.I. Suni, “Electrodeposition of CuGaSe2 from Thiocyanate-Containing Electrolytes,” J. Electrochem. Soc. 158, D56 (2011).

P.P. Sharma and I.I. Suni, “Impedance Analysis of Ru Oxide Reduction in Sulfuric Acid,” J. Electrochem. Soc. 158, H111 (2011).

P.P. Sharma, I.I. Suni, M. Brands and Y. Li, “Poly(ethyleneimine) as a Passivating Agent for Ta Chemical Mechanical Planarization,” Electrochem. Solid-State Lett. 13, H416 (2010).

S.N. Victoria, P.P. Sharma, I.I. Suni and S. Ramanathan, “Potassium Bromate as an Oxidizing Agent in a Titania-based Ru CMP slurry,” Electrochem. Solid-State Lett. 13, H385 (2010).

R. Singh and I.I. Suni, “Minimizing Non-specific Adsorption in Protein Biosensors that Utilize Electrochemical Impedance Spectroscopy,” J. Electrochem. Soc. 157, J334 (2010).  

R. Singh, P.P. Sharma, R.E. Baltus and I.I. Suni, “Nanopore Immunosensor for Peanut Protein Ara h 1,” Sens. Actuators B 145, 98 (2010).

A. Tripathi, I.I. Suni, Y. Li, F. Doniat and J. McAndrew, “Cu Electrochemical Mechanical Planarization (ECMP) Surface Quality,” J. Electrochem. Soc. 156, H555 (2009).

Y. Huang, M. Bell and I.I. Suni, “Impedance Biosensor for Peanut Protein Ara h 1,” Anal. Chem. 80, 9157 (2008).

Y. Huang and I.I. Suni, “Degenerate Si as an Electrode Material for Electrochemical Biosensors,” J. Electrochem. Soc. 155, J350 (2008).

A. Tripathi, C. Burkhard, I.I. Suni, Y. Li, F. Doniat, A. Barajas and J. McAndrew, “Electrolyte Composition for Cu Electrochemical Mechanical Planarization (ECMP),” J. Electrochem. Soc. 155, H918 (2008). 

I.I. Suni, “Impedance Methods for Electrochemical Sensors Using Nanomaterials,” Trends Anal. Chem. 27, 604 (2008). 

S. Govindaswamy, A. Tripathi, I.I. Suni and Y. Li, “5-Pheny-1-H-Tetrazole as a Low-pH Passivating Agent for Copper Chemical Mechanical Planarization,” J. Electrochem. Soc. 155, H459 (2008).

A. Tripathi, J. Wang, L.A. Luck and I.I. Suni, “Nanobiosensor Design Utilizing a Periplasmic E. coli Receptor Protein Immobilized within Au/Polycarbonate Nanopores,” Anal. Chem. 79, 1266 (2007). 

J. Wang, L.A. Luck and I.I. Suni, “Immobilization of the Glucose/galactose Receptor (GGR) Protein onto an Au Electrode through a Genetically Engineered Cysteine Residue,” Electrochem. Solid-State Lett. 10, J33 (2007). 

J. Wang, J.A. Profitt, M.J. Pugia and I.I. Suni, “Au Nanoparticle Conjugation for Impedance and Capacitance Signal Amplification in Biosensors,” Anal. Chem. 78, 1769 (2006). 

B. Du and I.I. Suni, “Electrochemcal Dissolution of Ta and TaN Diffusion Barriers,” Electrochem. Solid-State Lett. 8, G283 (2005).

B. Du and I.I. Suni, “Cu Planarization for ULSI Processing by Electrochemical Methods: A Review,” IEEE Trans. Semicond. Manuf. 18, 341 (2005).

J. Wang, K.A. Carmon, L.A. Luck and I.I. Suni, “Electrochemical Impedance Biosensor for Glucose Detection Utilizing a Periplasmic E. coli Receptor Protein,” Electrochem. Solid-state Lett. 8, H61 (2005).

S. Sapra, H. Li, Z. Wang and I.I. Suni, “Voltammetry and Impedance Studies of Ta in Aqueous HF,” J. Electrochem. Soc. 152, B193 (2005).

B. Du and I.I. Suni, “Water Diffusion Coefficients During Copper Electropolishing,” J. Appl. Electrochem. 34, 1215 (2004).

B. Du and I.I. Suni, “Mechanistic Studies of Copper Electropolishing in Phosphoric Acid Electrolytes,” J. Electrochem. Soc. 151, C375 (2004).

Z. Wang, H. Li, H. H. Shodiev and I.I. Suni, “Immersion/electroless Deposition of Cu onto Ta,” Electrochem. Solid-State Lett.7, C67 (2004).