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Oomman Varghese

TitleAssociate Professor
InstitutionUniversity of Houston
DepartmentPhysics
Address4800 Calhoun Rd
Houston TX 77004
Phone713-743-3808
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    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Mohamed MS, Torabi A, Paulose M, Kumar DS, Varghese OK. Anodically Grown Titania Nanotube Induced Cytotoxicity has Genotoxic Origins. Sci Rep. 2017 Feb 06; 7:41844. PMID: 28165491.
      View in: PubMed
    2. Katwal G, Paulose M, Rusakova IA, Martinez JE, Varghese OK. Rapid Growth of Zinc Oxide Nanotube-Nanowire Hybrid Architectures and Their Use in Breast Cancer-Related Volatile Organics Detection. Nano Lett. 2016 May 11; 16(5):3014-21. PMID: 27045345.
      View in: PubMed
    3. Brahmi H, Katwal G, Khodadadi M, Chen S, Paulose M, Varghese OK, Mavrokefalos A. Thermal-structural relationship of individual titania nanotubes. Nanoscale. 2015 Dec 07; 7(45):19004-11. PMID: 26512924.
      View in: PubMed
    4. Qin P, Paulose M, Dar MI, Moehl T, Arora N, Gao P, Varghese OK, Grätzel M, Nazeeruddin MK. Stable and Efficient Perovskite Solar Cells Based on Titania Nanotube Arrays. Small. 2015 Nov 04; 11(41):5533-9. PMID: 26313216.
      View in: PubMed
    5. Jacob MV, Rawat RS, Ouyang B, Bazaka K, Kumar DS, Taguchi D, Iwamoto M, Neupane R, Varghese OK. Catalyst-Free Plasma Enhanced Growth of Graphene from Sustainable Sources. Nano Lett. 2015 Sep 09; 15(9):5702-8. PMID: 26263025.
      View in: PubMed
    6. Wijeratne AB, Wijesundera DN, Paulose M, Ahiabu IB, Chu WK, Varghese OK, Greis KD. Phosphopeptide separation using radially aligned titania nanotubes on titanium wire. ACS Appl Mater Interfaces. 2015 Jun 03; 7(21):11155-64. PMID: 25941752.
      View in: PubMed
    7. Ziólek M, Cohen B, Yang X, Sun L, Paulose M, Varghese OK, Grimes CA, Douhal A. Femtosecond to millisecond studies of electron transfer processes in a donor-(p-spacer)-acceptor series of organic dyes for solar cells interacting with titania nanoparticles and ordered nanotube array films. Phys Chem Chem Phys. 2012 Feb 28; 14(8):2816-31. PMID: 22258566.
      View in: PubMed
    8. Qin DD, Tao CL, Friesen SA, Wang TH, Varghese OK, Bao NZ, Yang ZY, Mallouk TE, Grimes CA. Dense layers of vertically oriented WO3 crystals as anodes for photoelectrochemical water oxidation. Chem Commun (Camb). 2012 Jan 18; 48(5):729-31. PMID: 22117192.
      View in: PubMed
    9. Kim S, Mor GK, Paulose M, Varghese OK, Baik C, Grimes CA. Molecular design of near-IR harvesting unsymmetrical squaraine dyes. Langmuir. 2010 Aug 17; 26(16):13486-92. PMID: 20695595.
      View in: PubMed
    10. Mor GK, Basham J, Paulose M, Kim S, Varghese OK, Vaish A, Yoriya S, Grimes CA. High-efficiency Förster resonance energy transfer in solid-state dye sensitized solar cells. Nano Lett. 2010 Jul 14; 10(7):2387-94. PMID: 20568825.
      View in: PubMed
    11. Roy SC, Varghese OK, Paulose M, Grimes CA. Toward solar fuels: photocatalytic conversion of carbon dioxide to hydrocarbons. ACS Nano. 2010 Mar 23; 4(3):1259-78. PMID: 20141175.
      View in: PubMed
    12. Feng X, Latempa TJ, Basham JI, Mor GK, Varghese OK, Grimes CA. Ta3N5 nanotube arrays for visible light water photoelectrolysis. Nano Lett. 2010 Mar 10; 10(3):948-52. PMID: 20146505.
      View in: PubMed
    13. Rani S, Roy SC, Paulose M, Varghese OK, Mor GK, Kim S, Yoriya S, Latempa TJ, Grimes CA. Synthesis and applications of electrochemically self-assembled titania nanotube arrays. Phys Chem Chem Phys. 2010 Mar 28; 12(12):2780-800. PMID: 20449368.
      View in: PubMed
    14. Mor GK, Kim S, Paulose M, Varghese OK, Shankar K, Basham J, Grimes CA. Visible to near-infrared light harvesting in TiO2 nanotube array-P3HT based heterojunction solar cells. Nano Lett. 2009 Dec; 9(12):4250-7. PMID: 19775127.
      View in: PubMed
    15. Varghese OK, Paulose M, Grimes CA. Long vertically aligned titania nanotubes on transparent conducting oxide for highly efficient solar cells. Nat Nanotechnol. 2009 Sep; 4(9):592-7. PMID: 19734933.
      View in: PubMed
    16. Varghese OK, Paulose M, Latempa TJ, Grimes CA. High-rate solar photocatalytic conversion of CO2 and water vapor to hydrocarbon fuels. Nano Lett. 2009 Feb; 9(2):731-7. PMID: 19173633.
      View in: PubMed
    17. Feng X, Shankar K, Varghese OK, Paulose M, Latempa TJ, Grimes CA. Vertically aligned single crystal TiO2 nanowire arrays grown directly on transparent conducting oxide coated glass: synthesis details and applications. Nano Lett. 2008 Nov; 8(11):3781-6. PMID: 18954124.
      View in: PubMed
    18. Mor GK, Varghese OK, Wilke RH, Sharma S, Shankar K, Latempa TJ, Choi KS, Grimes CA. P-type Cu--Ti--O nanotube arrays and their use in self-biased heterojunction photoelectrochemical diodes for hydrogen generation. Nano Lett. 2008 Jul; 8(7):1906-11. PMID: 18540655.
      View in: PubMed
    19. Shankar K, Bandara J, Paulose M, Wietasch H, Varghese OK, Mor GK, LaTempa TJ, Thelakkat M, Grimes CA. Highly efficient solar cells using TiO(2) nanotube arrays sensitized with a donor-antenna dye. Nano Lett. 2008 Jun; 8(6):1654-9. PMID: 18444689.
      View in: PubMed
    20. Shankar K, Mor GK, Prakasam HE, Varghese OK, Grimes CA. Self-assembled hybrid polymer-TiO2 nanotube array heterojunction solar cells. Langmuir. 2007 Nov 20; 23(24):12445-9. PMID: 17958387.
      View in: PubMed
    21. Mor GK, Prakasam HE, Varghese OK, Shankar K, Grimes CA. Vertically oriented Ti-Fe-O nanotube array films: toward a useful material architecture for solar spectrum water photoelectrolysis. Nano Lett. 2007 Aug; 7(8):2356-64. PMID: 17608445.
      View in: PubMed
    22. Paulose M, Shankar K, Yoriya S, Prakasam HE, Varghese OK, Mor GK, LaTempa TJ, Latempa TA, Fitzgerald A, Grimes CA. Anodic growth of highly ordered TiO2 nanotube arrays to 134 microm in length. J Phys Chem B. 2006 Aug 24; 110(33):16179-84. PMID: 16913737.
      View in: PubMed
    23. Mor GK, Shankar K, Paulose M, Varghese OK, Grimes CA. Use of highly-ordered TiO(2) nanotube arrays in dye-sensitized solar cells. Nano Lett. 2006 Feb; 6(2):215-8. PMID: 16464037.
      View in: PubMed
    24. Ong KG, Varghese OK, Mor GK, Grimes CA. Numerical simulation of light propagation through highly-ordered titania nanotube arrays: dimension optimization for improved photoabsorption. J Nanosci Nanotechnol. 2005 Nov; 5(11):1801-8. PMID: 16433413.
      View in: PubMed
    25. Ruan C, Paulose M, Varghese OK, Mor GK, Grimes CA. Fabrication of highly ordered TiO2 nanotube arrays using an organic electrolyte. J Phys Chem B. 2005 Aug 25; 109(33):15754-9. PMID: 16852999.
      View in: PubMed
    26. Varghese OK, Paulose M, Shankar K, Mor GK, Grimes CA. Water-photolysis properties of micron-length highly-ordered titania nanotube-arrays. J Nanosci Nanotechnol. 2005 Jul; 5(7):1158-65. PMID: 16108443.
      View in: PubMed
    27. Mor GK, Shankar K, Paulose M, Varghese OK, Grimes CA. Enhanced photocleavage of water using titania nanotube arrays. Nano Lett. 2005 Jan; 5(1):191-5. PMID: 15792438.
      View in: PubMed
    28. Ruan C, Zeng K, Varghese OK, Grimes CA. A staphylococcal enterotoxin B magnetoelastic immunosensor. Biosens Bioelectron. 2004 Oct 15; 20(3):585-91. PMID: 15494243.
      View in: PubMed
    29. Varghese OK, Mor GK, Grimes CA, Paulose M, Mukherjee N. A titania nanotube-array room-temperature sensor for selective detection of hydrogen at low concentrations. J Nanosci Nanotechnol. 2004 Sep; 4(7):733-7. PMID: 15570954.
      View in: PubMed
    30. Ruan C, Zeng K, Varghese OK, Grimes CA. A magnetoelastic bioaffinity-based sensor for avidin. Biosens Bioelectron. 2004 Jul 15; 19(12):1695-701. PMID: 15142604.
      View in: PubMed
    31. Ruan C, Zeng K, Varghese OK, Grimes CA. Magnetoelastic immunosensors: amplified mass immunosorbent assay for detection of Escherichia coli O157:H7. Anal Chem. 2003 Dec 01; 75(23):6494-8. PMID: 14640719.
      View in: PubMed
    32. Varghese OK, Grimes CA. Metal oxide nanoarchitectures for environmental sensing. J Nanosci Nanotechnol. 2003 Aug; 3(4):277-93. PMID: 14598441.
      View in: PubMed
    33. Paulose M, Varghese OK, Grimes CA. Synthesis of gold-silica composite nanowires through solid-liquid-solid phase growth. J Nanosci Nanotechnol. 2003 Aug; 3(4):341-6. PMID: 14598450.
      View in: PubMed
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