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Publications

  1. Garika, V.; Bamm, V. V.; Verma, P.; Babbar, S.; Rajpoot, S.; Bhattarai, S.; et al. Biosensor for Lyme Disease: Real-time, Specific, and Label-Free Complementary Metal-Oxide-Silicon Transistor Sensing of Borrelia burgdorferi s.l. Outer Surface Protein A in Unprocessed Blood. ACS Sensors 2026. doi:10.1021/ACSSENSORS.5C03265.

  2. Babbar, S.; Bhattarai, S.; Harilal, S.; Eisenberg-Lerner, A.; Rotfogel, Z.; Pikhay, E.; et al. Reassessing the challenge of Debye length in field-effect biosensors. Chemical Engineering Journal 2026, 527. doi:10.1016/j.cej.2025.172070.

  3. Samanta, S.; Rajpoot, S.; Babbar, S.; Harilal, S.; Eisenberg-Lerner, A.; Rotfogel, Z.; et al. Biological Transistors for Direct Biosensing of L-Dopa in Ultrasmall Samples of Unprocessed and Unwashed Whole Blood. ACS Sensors 2025. doi:10.1021/ACSSENSORS.5C02466.

  4. Vashistha, N.; Golan, E.; Aharon, N.; Shalev, G. A New Strategy for Omnidirectional Broadband Absorption of the Solar Radiation for Thin-Film Solar Cells. Solar RRL 2025, 9(15). doi:10.1002/SOLR.202500240.

  5. Verma, P.; Ben-Shahar, Y.; Samanta, S.; Garika, V.; Babbar, S.; Bhattarai, S.; et al. Aminophenol Molecular Capture Layer for Specific Molecular Sensing with Field-Effect Devices. ACS Applied Materials and Interfaces 2025, 17(12), 19165–19174. doi:10.1021/ACSAMI.5C00981.

  6. Kumar, A.; Golan, E.; Aharon, N.; Shalev, G. Arrays of nano-light-mixers for enhanced broadband and omnidirectional absorption of solar radiation for solar energy technologies. Nanoscale 2025, 17(14), 8702–8711. doi:10.1039/D4NR05050A.

  7. Samueli, R.; Babbar, S.; Ben-Shahar, Y.; Samanta, S.; Bhattarai, S.; Harilal, S.; et al. Real-time, specific, and label-free transistor-based sensing of organophosphates in liquid. Environmental Research 2024, 263. doi:10.1016/j.envres.2024.120089.

  8. Garika, V.; Babbar, S.; Samanta, S.; Harilal, S.; Eisenberg-Lerner, A.; Rotfogel, Z.; et al. Addressing the challenge of solution gating in biosensors based on field-effect transistors. Biosensors and Bioelectronics 2024, 265. doi:10.1016/j.bios.2024.116689.

  9. Samanta, S.; Babbar, S.; Chen, B.; Muppidathi, M.; Bhattarai, S.; Harilal, S.; et al. NAGase sensing in 3% milk: FET-based specific and label-free sensing in ultra-small samples of high ionic strength and high concentration of non-specific proteins. Biosensors and Bioelectronics 2024, 258. doi:10.1016/j.bios.2024.116368.

  10. Babbar, S.; Garika, V.; Samanta, S.; Bhattarai, S.; Sadhujan, S.; Harilal, S.; et al. Specific and Label-Free bioFET Sensing of the Interaction Between the Electrically Neutral Small Estriol Molecule and Its Antibody in a Microliter Drop of Diluted Plasma. Advanced Electronic Materials 2024, 10(6). doi:10.1002/AELM.202300819.

  11. Samanta, S.; Tiwari, V. S.; Sadhujan, S.; Harilal, S.; Eisenberg-Lerner, A.; Rotfogel, Z.; et al. From sensing interactions to controlling the interactions: a novel approach to obtain biological transistors for specific and label-free immunosensing. Nanoscale 2024, 16(13), 6648–6661. doi:10.1039/D3NR05974J.

  12. Kumar, A.; Chauhan, A.; Llobet, J.; Fonseca, H.; Sousa, P. C.; Calaza, C.; et al. Optical absorption driven by efficient refraction and light concentration for photovoltaic applications. Solar Energy Materials and Solar Cells 2024, 264. doi:10.1016/j.solmat.2023.112625.

  13. Ron, I.; Bhattacharyya, I. M.; Samanta, S.; Tiwari, V. S.; Greental, D.; Shima-Edelstein, R.; et al. Label-free and specific detection of active Botulinum neurotoxin in 0.5 μL drops with the meta-nano-channel field-effect biosensor. Sensors and Actuators B: Chemical 2023, 393. doi:10.1016/j.snb.2023.134171.

  14. Samanta, S.; Bhattacharyya, I. M.; Prajapati, A.; Ron, I.; Shima-Edelstein, R.; Pikhay, E.; et al. Specific and Label-Free Sensing of Prostate-Specific Antigen (PSA) from an Ultrasmall Drop of Diluted Human Serum with the Meta-Nano-Channel Silicon Field-Effect Biosensor. Advanced Materials Technologies 2023, 8(14). doi:10.1002/ADMT.202202200.

  15. Prajapati, A.; Shalev, G. Arrays of Fresnel Nanosystems for Enhanced Photovoltaic Performance. ACS Omega 2023, 8(26), 23365–23372. doi:10.1021/ACSOMEGA.2C07863.

  16. Elbaz, T.; Chauhan, A.; Halstuch, A.; Shalev, G.; Karabchevsky, A. Step-Index (Semi-Immersed) Model for Photonic Nanojet and Experimental Characterization via Near-Field Optical Microscopy with Microcylinder. Nanomaterials 2023, 13(6), 1033. doi:10.3390/NANO13061033/S1.

  17. Prajapati, A.; Shalev, G. Light Trapping in Silicon Arrays of Deep Subwavelength Features for Absorption of the Solar Radiation. ACS Applied Energy Materials 2023, 6(2), 1019–1024. doi:10.1021/ACSAEM.2C03522.

  18. Bhattacharyya, I. M.; Ron, I.; Shima-Edelstein, R.; Pikhay, E.; Roizin, Y.; Shalev, G. A New Approach toward the Realization of Specific and Label-Free Biological Sensing Based on Field-Effect Devices. Advanced Electronic Materials 2022, 8(12). doi:10.1002/AELM.202200399.

  19. Chauhan, A.; Prajapati, A.; Llobet, J.; Fonseca, H.; Sousa, P. C.; Calaza, C.; et al. Incorporation of nano-features into surface photoactive arrays for broadband absorption of the solar radiation. Solar Energy Materials and Solar Cells 2022, 245. doi:10.1016/j.solmat.2022.111864.

  20. Konedana, S. S. P.; Prajapati, A.; Chauhan, A.; Elisha, H.; Llobet, J.; Sousa, P. C.; et al. Photocurrent Enhancement with Arrays of Silicon Light Nanotowers for Photovoltaic Applications. ACS Applied Nano Materials 2022, 5(7), 8826–8834. doi:10.1021/ACSANM.2C00884.

  21. Yakoob, M. A.; Lamminaho, J.; Petersons, K.; Prajapati, A.; Destouesse, E.; Patil, B. R.; et al. Front Cover: Efficiency‐Enhanced Scalable Organic Photovoltaics Using Roll‐to‐Roll Nanoimprint Lithography (ChemSusChem 2/2022). ChemSusChem 2022, 15(2). doi:10.1002/CSSC.202102618.

  22. Yakoob, M. A.; Lamminaho, J.; Petersons, K.; Prajapati, A.; Destouesse, E.; Patil, B. R.; et al. Efficiency-Enhanced Scalable Organic Photovoltaics Using Roll-to-Roll Nanoimprint Lithography. ChemSusChem 2022, 15(2). doi:10.1002/CSSC.202101611.

  23. Bhattacharyya, I. M.; Ron, I.; Chauhan, A.; Pikhay, E.; Greental, D.; Mizrahi, N.; et al. A new approach towards the Debye length challenge for specific and label-free biological sensing based on field-effect transistors. Nanoscale 2022, 14(7), 2837–2847. doi:10.1039/D1NR08468B.

  24. Prajapati, A.; Llobet, J.; Sousa, P. C.; Fonseca, H.; Calaza, C.; Shalev, G. Broadband and Omnidirectional Antireflection Surfaces Based on Deep Subwavelength Features for Harvesting of the Solar Energy. Solar RRL 2021, 5(12). doi:10.1002/SOLR.202100548.

  25. Chauhan, A.; Prajapati, A.; Calaza, C.; Fonseca, H.; Sousa, P. C.; Llobet, J.; et al. Near-Field Optical Excitations in Silicon Subwavelength Light Funnel Arrays for Broadband Absorption of the Solar Radiation. Solar RRL 2021, 5(12). doi:10.1002/SOLR.202100721.

  26. Prajapati, A.; Shalev, G. Omnidirectional and Wideband Absorption of Solar Radiation with Light Funnel Arrays Incorporated with Quasi-Nanolenses. ACS Applied Energy Materials 2022, 5(5), 5331–5339. doi:10.1021/ACSAEM.1C02665.

  27. Prajapati, A.; Shalev, G. Overcoming the Challenge of High Surface Recombination in Thin-Film Photovoltaic Cells Based on Subwavelength Arrays for Elevated Light Trapping. Solar RRL 2021, 5(9). doi:10.1002/SOLR.202100379.

  28. Elisha, H.; Prajapati, A.; Shalev, G. Broadband Absorption in Thin Films Motivated by Strong Light Bending. Advanced Photonics Research 2021, 2(5). doi:10.1002/ADPR.202000120.

  29. Prajapati, A.; Marko, G.; Shalev, G. Light trapping with subwavelength compound parabolic concentrators. International Conference on Metamaterials, Photonic Crystals and Plasmonics 2021, 1076–1077.

  30. Prajapati, A.; Shalev, G. Solar light with sub-microns hyperboloids non-imaging light concentrators arrays. International Conference on Metamaterials, Photonic Crystals and Plasmonics 2021, 581.

  31. Chauhan, A.; Prajapati, A.; Calaza, C.; Sousa, P. C.; Fonseca, H.; Llobet, J.; et al. Investigation of proximity effects in light funnel arrays using near field optical microscopy. International Conference on Metamaterials, Photonic Crystals and Plasmonics 2021, 1091–1094.

  32. Konedana, S. S. P.; Prajapati, A.; Elisha, H.; Shalev, G. Strong Omnidirectional and Broadband Absorption of the Solar Light with Arrays of Submicrometer-Scaled Compound Parabolic Light Concentrators. Solar RRL 2020, 4(12). doi:10.1002/SOLR.202000561.

  33. Prajapati, A.; Shalev, G. Photovoltage Management Based on Enhanced Excitation Levels in Surface Arrays of Subwavelength Silicon Formations. Solar RRL 2020, 4(12). doi:10.1002/SOLR.202000514.

  34. Shalabny, A.; Buonocore, F.; Celino, M.; Shalev, G.; Zhang, L.; Wu, W.; et al. Semiconductivity Transition in Silicon Nanowires by Hole Transport Layer. Nano Letters 2020, 20(11), 8369–8374. doi:10.1021/ACS.NANOLETT.0C03543.

  35. Prajapati, A.; Llobet, J.; Antunes, M.; Martins, S.; Fonseca, H.; Calaza, C.; et al. An efficient and deterministic photon management using deep subwavelength features. Nano Energy 2020, 70, 104521. doi:10.1016/j.nanoen.2020.104521.

  36. Prajapati, A.; Llobet, J.; Antunes, M.; Martins, S.; Fonseca, H.; Calaza, C.; et al. Opportunities for enhanced omnidirectional broadband absorption of the solar radiation using deep subwavelength structures. Nano Energy 2020, 70. doi:10.1016/j.nanoen.2020.104553.

  37. Broadband solar absorption with silicon metamaterials driven by strong proximity effects - Nanoscale Advances (RSC Publishing) DOI:10.1039/C9NA00711C. 

  38. Bhattacharyya, I. M.; Shalev, G. Electrostatically Governed Debye Screening Length at the Solution-Solid Interface for Biosensing Applications. ACS Sensors 2020, 5(1), 154–161. doi:10.1021/ACSSENSORS.9B01939.

  39. Marko, G.; Prajapati, A.; Shalev, G. Subwavelength nonimaging light concentrators for the harvesting of the solar radiation. Nano Energy 2019, 61, 275–283. doi:10.1016/j.nanoen.2019.04.082.

  40. Bhattacharyya, I. M.; Cohen, S.; Shalabny, A.; Bashouti, M.; Akavayov, B.; Shalev, G. Specific and label-free immunosensing of protein-protein interactions with silicon-based immunoFETs. Biosensors and Bioelectronics 2019, 132, 143–161. doi:10.1016/j.bios.2019.03.003.

  41. Konedana, S. S. P.; Vaida, E.; Viller, V.; Shalev, G. Optical absorption beyond the Yablonovitch limit with light funnel arrays. Nano Energy 2019, 59, 321–326. doi:10.1016/j.nanoen.2019.02.039.

  42. Prajapati, A.; Shalev, G. Geometry-driven carrier extraction enhancement in photovoltaic cells based on arrays of subwavelength light funnels. Nanoscale Advances 2019, 1(12), 4755–4763. doi:10.1039/C9NA00599D.

  43. Prajapati, A.; Chauhan, A.; Keizman, D.; Shalev, G. Approaching the Yablonovitch limit with free-floating arrays of subwavelength trumpet non-imaging light concentrators driven by extraordinary low transmission. Nanoscale 2019, 11(8), 3681–3688. doi:10.1039/C8NR10381J.

  44. Prajapati, A.; Nissan, Y.; Gabay, T.; Shalev, G. Broadband absorption of the solar radiation with surface arrays of subwavelength light funnels. Nano Energy 2018, 54, 447–452. doi:10.1016/j.nanoen.2018.10.046.

  45. Prajapati, A.; Nissan, Y.; Gabay, T.; Shalev, G. Light Trapping with Silicon Light Funnel Arrays. Materials 2018, Vol. 11, Page 445 2018, 11(3), 445. doi:10.3390/MA11030445.

  46. 47. Henning, A.; Swaminathan, N.; Vaknin, Y.; Jurca, T.; Shimanovich, K.; Shalev, G.; et al. Control of the Intrinsic Sensor Response to Volatile Organic Compounds with Fringing Electric Fields. ACS Sensors 2018, 3(1), 128–134. doi:10.1021/ACSSENSORS.7B00754.

  47. Yakoob, M. A. ; Lamminaho, J. ; Petersons, K. ; Prajapati, A. ; Destouesse, E. ; Patil, B. R. ; et al. Efficiency-enhanced scalable organic photovoltaics using roll-to-roll nanoimprint lithography. doi:10.1002/cssc.202101611.

  48. Faingold, Y.; Fadida, S.; Prajapati, A.; Llobet, J.; Antunes, M.; Fonseca, H.; et al. Efficient light trapping and broadband absorption of the solar spectrum in nanopillar arrays decorated with deep-subwavelength sidewall features. Nanoscale 2018, 10(39), 18613–18621. doi:10.1039/C8NR06210B.

  49. Swaminathan, N.; Henning, A.; Jurca, T.; Hayon, J.; Shalev, G.; Rosenwaks, Y. Effect of varying chain length of n-alcohols and n-alkanes detected with electrostatically-formed nanowire sensor. Sensors and Actuators, B: Chemical 2017, 248, 240–246. doi:10.1016/j.snb.2017.03.150.

  50. 51. Shalev, G. The Electrostatically Formed Nanowire: A Novel Platform for Gas-Sensing Applications. Sensors 2017, Vol. 17, Page 471 2017, 17(3), 471. doi:10.3390/S17030471.

  51. Shalev, G. Addressing carrier extraction from optically-optimized nanopillar arrays for thin-film photovoltaics. Nanoscale 2017, 9(40), 15707–15716. doi:10.1039/C7NR05172G.

  52. Swaminathan, N.; Henning, A.; Vaknin, Y.; Shimanovich, K.; Godkin, A.; Shalev, G.; et al. Dynamic Range Enhancement Using the Electrostatically Formed Nanowire Sensor. ACS Sensors 2016, 1(6), 688–695. doi:10.1021/ACSSENSORS.6B00096.

  53. Henning, A.; Molotskii, M.; Swaminathan, N.; Vaknin, Y.; Godkin, A.; Shalev, G.; et al. Electrostatic Limit of Detection of Nanowire-Based Sensors. Small 2015, 11(37), 4931–4937. doi:10.1002/SMLL.201500566.

  54. Henning, A.; Swaminathan, N.; Godkin, A.; Shalev, G.; Amit, I.; Rosenwaks, Y. Tunable diameter electrostatically formed nanowire for high sensitivity gas sensing. Nano Research 2015, 8(7), 2206–2215. doi:10.1007/S12274-015-0730-1.

  55. Handelman, A.; Shalev, G.; Rosenman, G. Symmetry of Bioinspired Short Peptide Nanostructures and Their Basic Physical Properties. Israel Journal of Chemistry 2015, 55(6), 637–644. doi:10.1002/IJCH.201400164.

  56. Shalev, G.; Schmitt, S. W.; Brönstrup, G.; Christiansen, S. Maximizing the ultimate absorption efficiency of vertically-aligned semiconductor nanowire arrays with wires of a low absorption cross-section. Nano Energy 2015, 12, 801–809. doi:10.1016/j.nanoen.2015.01.048.

  57. Shalev, G.; Schmitt, S. W.; Embrechts, H.; Brönstrup, G.; Christiansen, S. Enhanced photovoltaics inspired by the fovea centralis. Scientific Reports 2015 5:1 2015, 5(1), 8570-. doi:10.1038/srep08570.

  58. Schmitt, S. W.; Brönstrup, G.; Shalev, G.; Srivastava, S. K.; Bashouti, M. Y.; Döhler, G. H.; et al. Probing photo-carrier collection efficiencies of individual silicon nanowire diodes on a wafer substrate. Nanoscale 2014, 6(14), 7897–7902. doi:10.1039/C4NR01258E.

  59. Amdursky, N.; Shalev, G.; Handelman, A.; Litsyn, S.; Natan, A.; Roizin, Y.; et al. Bioorganic nanodots for non-volatile memory devices. APL Materials 2013, 1(6). doi:10.1063/1.4838815/119800.

  60. Shalev, G.; Landman, G.; Amit, I.; Rosenwaks, Y.; Levy, I. Specific and label-free femtomolar biomarker detection with an electrostatically formed nanowire biosensor. NPG Asia Materials 2013 5:3 2013, 5(3), e41–e41. doi:10.1038/am.2012.75.

  61. Shalev, G.; Rosenwaks, Y.; Levy, I. The interplay between pH sensitivity and label-free protein detection in immunologically modified nano-scaled field-effect transistor. Biosensors and Bioelectronics 2012, 31(1), 510–515. doi:10.1016/j.bios.2011.11.038.

  62. Shaya, O.; Halpern, E.; Khamaisi, B.; Shaked, M.; Usherenko, Y.; Shalev, G.; et al. Molecular gated transistors: Role of self-assembled monolayers. Applied Surface Science 2010, 256(19), 5789–5795. doi:10.1016/j.apsusc.2010.03.099.

  63. Halpern, E.; Khamaisi, B.; Shaya, O.; Shalev, G.; Levy, I.; Rosenwaks, Y. Electrostatic properties of silane monolayers in an electrolytic environment. Journal of Physical Chemistry C 2009, 113(38), 16802–16806. doi:10.1021/JP904614C.

  64. Shalev, G.; Halpern, E.; Doron, A.; Cohen, A.; Rosenwaks, Y.; Levy, I. Surface chemical modification induces nanometer scale electron confinement in field effect device. Journal of Chemical Physics 2009, 131(2). doi:10.1063/1.3167414/938308.

  65. Shalev, G.; Cohen, A.; Doron, A.; Machauf, A.; Horesh, M.; Virobnik, U.; et al. Standard CMOS Fabrication of a Sensitive Fully Depleted Electrolyte-Insulator-Semiconductor Field Effect Transistor for Biosensor Applications. Sensors 2009, Vol. 9, Pages 4366-4379 2009, 9(6), 4366–4379. doi:10.3390/S90604366.

  66. Shaya, O.; Snaked, M.; Usherenko, Y.; Halpern, E.; Shalev, G.; Doron, A.; et al. Tracing the mechanism of molecular gated transistors. Journal of Physical Chemistry C 2009, 113(15), 6163–6168. doi:10.1021/JP900382V.

  67. Parkansky, N.; Shalev, G.; Alterkop, B.; Goldsmith, S.; Boxman, R. L.; Barkay, Z.; et al. Growth of ZnO nanorods by air annealing of ZnO films with an applied electric field. Surface and Coatings Technology 2006, 201(6), 2844–2848. doi:10.1016/j.surfcoat.2006.05.032.

  68. Shalev, G.; Doron, A.; Virobnik, U.; Cohen, A.; Sanhedrai, Y.; Levy, I. Gain optimization in ion sensitive field-effect transistor based sensor with fully depleted silicon on insulator. Applied Physics Letters 2008, 93(8). doi:10.1063/1.2977476/923432.

  69. Parkansky, N.; Shalev, G.; Alterkop, B.; Goldsmith, S.; Boxman, R. L.; Barkay, Z.; et al. Growth of ZnO nanorods by air annealing of ZnO films with an applied electric field. Surface and Coatings Technology 2006, 201(6), 2844–2848. doi:10.1016/j.surfcoat.2006.05.032.

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