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Dr. Osman Balci

Dr. Osman Balci

Research Associate


Osman Balci got his PhD from Bilkent University, Department of Physics in 2015.  His expertise is on fabrication of electronic and optoelectronic devices using low dimensional materials such as graphene, carbon nanotubes and MoS2.

Research Interests

2D materials, neural communication, optical modulators, metamaterials, RF transistors


[Journal Papers]

  1. O. Balci, N. Kakenov, E. Karademir, S. Balci, S. Cakmakyapan, E. O. Polat, H. Caglayan, E. Ozbay, C. Kocabas, “Electrically switchable metadevices via Graphene”, Science Anvances, vol. 4, no.1 , pp. eaao1749, 2018.
  2. O. Balci, N. Kakenov, C. Kocabas, “Controlling phase of microwaves with active graphene devices”, Applied Physics Letters, vol. 110, no. 16, pp. 161102, 2017.
  3. N. Kakenov, O. Balci, T. Takan, V. A. Ozkan, H. Altan, C. Kocabas, “Observation of gate-tunable coherent perfect absorption of terahertz radiation in graphene”, ACS Photonics, vol. 3, no. 9, pp. 1531-1535, 2016.
  4. S. Balci, O. Balci, N. Kakenov, F. B. Atar, C. Kocabas, “Dynamic tuning of plasmon resonance in the visible using graphene”, Optics Letters, vol. 41, no. 6, pp. 1241-1244, 2016.
  5. N. Kakenov, O. Balci, O. Salihoglu, S. H. Hur, S. Balci, C. Kocabas, “Weighing graphene with QCM to monitor interfacial mass changes”,  Applied Physics Letters, vol. 109, no. 5, pp. 053105, 2016.
  6. P. Aydogan, O. Balci, C. Kocabas, S. Suzer, “Monitoring the operation of a graphene transistor in an integrated circuit by XPS”, Organic Electronics, vol. 37, pp. 178-182, 2016.
  7. I. Baylam, O. Balci, N. Kakenov, C. Kocabas, A. Sennaroglu, “Graphene-gold supercapacitor as a voltage controlled saturable absorber for femtosecond pulse generation”,Optics Letters, vol. 41, no. 5, pp. 910-913, 2016.
  8. A. M. Aygar, O. Balci, S. Cakmakyapan, C. Kocabas, H. Caglayan, E. Ozbay, “Comparison of Back and Top Gating Schemes with Tunable Graphene Fractal Metasurfaces”, ACS Photonics, vol. 3, no. 12, pp. 2303-2307, 2016.
  9. S. Balci, B. Kucukoz, O. Balci, A. Karatay, C. Kocabas, HG Yaglioglu, “Tunable plexcitonic nanoparticles: a model system for studying plasmon-exciton interaction from weak to ultrastrong coupling regime” ACS Photonics, vol. 3, no. 11, pp. 2010-2016, 2016.
  10. O. Salihoglu, N. Kakenov, O. Balci, S. Balci, C. Kocabas, “ Graphene as a Reversible and Spectrally Selective Fluorescence Quencher”, Scientific Reports, vol. 6, 2016.
  11. E. O. Polat, H. B. Uzlu, O. Balci, N. Kakenov, E. Kovalska, C. Kocabas “Graphene-enabled optoelectronics on paper”, ACS Photonics, vol. 3, no. 6, 964-971, 2016.
  12. O. Ozdemir, A. M. Aygar, O. Balci, C. Kocabas, H. Caglayan, E. Ozbay, “Enhanced tunability of V-shape plasmonic structures using ionic liquid gating and graphene”, Carbon, vol. 108, pp. 515-520, 2016.
  13. N. Kakenov, T. Takan, V. A. Ozkan, O. Balci, E. O. Polat, H. Altan, C. Kocabas, “Graphene-enabled electrically controlled terahertz spatial light modulators”, Optics Letters, vol. 40, no. 9, pp. 1984-1987, 2015.
  14. O. Balci, E. O. Polat, N. Kakenov, C. Kocabas, “Graphene-enabled electrically switchable radar-absorbing surfaces”, Nature Communications, vol. 6, pp. 6628, 2015.
  15. E. O. Polat, O. Balci, N. Kakenov, H. B. Uzlu, C. Kocabas, “Synthesis of Large Area Graphene for High Performance in Flexible Optoelectronic Devices”, Scientific Reports, vol. 5, pp. 16744, 2015.
  16. N. Kakenov, O. Balci, E. O. Polat, H. Altan, C. Kocabas, “Broadband terahertz modulators using self-gated graphene capacitors”, JOSA B, vol. 32, no. 9, pp.  1861-1866, 2015.
  17. E. O. Polat, O. Balci, C. Kocabas, “Graphene based flexible electrochromic devices”, Scientific Reports, vol. 4, pp. 6484, 2014.
  18. S. Ozharar, I. Baylam, M. N. Cizmeciyan, O. Balci, E. Pince, C. Kocabas, A. Sennaroglu, “Graphene mode-locked multipass-cavity femtosecond Cr 4+: forsterite laser”, JOSA B, vol. 30, no. 5, pp. 1270-1275, 2013.
  19. O. Balci, C. Kocabas, “Rapid thermal annealing of graphene-metal contact”, Applied Physics Letters, vol. 101, no. 24, pp. 243105, 2012.
  20. O. Balci, C. Kocabas,High frequency performance of individual and arrays of single-walled carbon nanotubes”, Nanotechnology, vol. 23, no. 24, pp. 245202, 2012.
  21. N. Kakenov, O. Balci, S. Balci, C. Kocabas,Probing molecular interactions on carbon nanotube surfaces using surface plasmon resonance sensors”, Applied Physics Letters, vol. 101, no. 22, pp. 223114, 2012.
  22. M. Okan, O. Balci, C. Kocabas,A microfluidic based differential plasmon resonance sensor”, Sensors and Actuators B: chemical, vol. 160, no. 1, pp. 670-676, 2011.
  23. T. Oznuluer, E. Pince, E. O. Polat, O. Balci, O. Salihoglu, C. Kocabas, “Synthesis of graphene on gold”, Applied Physics Letters, vol. 98, no. 18, pp. 183101, 2011.