Google Scholar Profile

2019

40. E. Y. Ma*, B. Guzelturk*, G. Li, L. Cao, Z.-X. Shen, A. M. Lindenberg, T. F. Heinz, "Recording interfacial currents on the sub-nanometer length and femtosecond time scale by terahertz emission" Science Advances 5, eaau0073 (2019). * Equal contribution. Link

39. B. Guzelturk, M. Pelton, M. Olutas, H. V. Demir, "Giant Modal Gain Coefficients in II-VI Nanoplatelets," Nano Letters 19, 277-282 (2019). Link

2018

38. B. Guzelturk, R. A. Belisle, M. D. Smith, K. Bruening, R. Prasanna, Y. Yuan, V. Gopalan, C. J. Tassone, H. I. Karunadasa, M. D. McGehee, A. M. Lindenberg, "Terahertz Emission from Hybrid Perovskites Driven by Ultrafast Charge Separation and Strong Electron-Phonon Coupling," Advanced Materials 30, 1704737 (2018). Link

37. M. Sharma, M. Olutas, A. Yeltik, Y. Kelestemur, A. Sharma, S. Delikanli, B. Guzelturk, K. Gungor, J. R. McBride, H. V. Demir, “Understanding the Journey of Dopant Copper Ions in Atomically Flat Colloidal Nanocrystals of CdSe Nanoplatelets Using Partial Cation Exchange Reactions” Chem. Mater. 30, 3265 (2018). Link

2017

36. B. Guzelturk, Y. Kelestemur, M. Olutas, Q. Li, T. Lian, H. V. Demir, "High-Efficiency Optical Gain in Type-II Semiconductor Nanocrystals of Alloyed Colloidal Quantum Wells," J. Phys. Chem. Lett. 8, 5317 (2017). Link

35. X. Wu, L. Z. Tan, X. Shen, T. Hu, K. Miyata, M. Tuan Trinh, R. Li, R. Coffee, S. Liu, D. A. Egger, I. Makasyuk, Q. Zheng, A. Fry, J. S. Robinson, M. D. Smith, B. Guzelturk, H. I. Karunadasa, X. Wang, X.-Y. Zhu, L. Kronik, A. M. Rappe, A. M. Lindenberg, “Light-induced picosecond rotational disordering of the inorganic sublattice in hybrid perovskites” Science Advances 3, e1602388 (2017). Link

34. M. Sharma, K. Gungor, A. Yeltik, M. Olutas, B. Guzelturk, Y. Kelestemur, T. Erdem, S. Delikanli, J. R. McBride, H. V. Demir, “Near-Unity Emitting Copper- Doped Colloidal Semiconductor Quantum Wells for Luminescent Solar Concentrators” Adv. Mater. 29, 1700821 (2017). Link

33. Y. Kelestemur, B. Guzelturk, O. Erdem, M. Olutas, T. Erdem, C. F. Usanmaz, K. Gungor, H. V. Demir, “CdSe/CdSe1–xTex Core/Crown Heteronanoplatelets: Tuning the Excitonic Properties without Changing the Thickness” J. Phys. Chem. C 121, 4650 (2017). Link

2016

32. B. Guzelturk, H. V. Demir, “Near-Field Energy Transfer Using Nanoemitters For Optoelectronics,” Adv. Funct. Mater. 26, 8158 – 8177 (2016). Invited Feature Article. Link

31. B. Guzelturk, F. Menk, K. Philipps, Y. Kelestemur, M. Olutas, R. Zentel, H. V. Demir, “Colloidal Nanoplatelet/Conducting Polymer Hybrids: Excitonic and Material Properties,” J. Phys. Chem. C 120, 3573 (2016). Link

30. Y. Kelestemur, B. Guzelturk, O. Erdem, M. Olutas, K. Gungor, H. V. Demir, “Platelet-in-Box Colloidal Quantum Wells: CdSe/CdS@CdS Core/Crown@Shell Heteronanoplatelets” Adv. Funct. Mater. 26, 2891 (2016). Link

29. M. Olutas, B. Guzelturk, Y. Kelestemur, K. Gungor, H. V. Demir, “Highly Efficient Nonradiative Energy Transfer from Colloidal Semiconductor Quantum Dots to Wells for Sensitive Non-contact Temperature Probing” Adv. Funct. Mater. 26, 3570 (2016). Link

28. O. Erdem, M. Olutas, B. Guzelturk, Y. Kelestemur, H. V. Demir, “Temperature-Dependent Emission Kinetics of Colloidal Semiconductor Nanoplatelets Strongly Modified by Stacking,” J. Phys. Chem. Lett. 7, 548 (2016). Link

27. M. Idris, M. Bazzar, B. Guzelturk, H. V. Demir, D. Tuncel, “Cucurbit[7]uril-threaded fluorene-thiophene-based conjugated polyrotaxanes” RSC Advances 6, 98109 (2016). Link

2015

26. B. Guzelturk, Y. Kelestemur, K. Gungor, A. Yeltik, M. Z. Akgul, W. Yue, R. Chen, H. D. Sun, C. Dang, H. V. Demir, “Stable and Low Threshold Optical Gain in CdSe/CdS Quantum Dots: All-Colloidal Frequency Up-Converted Laser" Adv. Mater. 27, 2741 (2015). Selected as Inside Front Cover. Link

25. M. Olutas*, B. Guzelturk*, Y. Kelestemur, A. Yeltik, S. Delikanli, H. V. Demir, “Lateral Size-Dependent Spontaneous and Stimulated Emission Properties in Colloidal CdSe Nanoplatelets” ACS Nano 9, 5041 (2015). * Equal contribution. Link

24. B. Guzelturk, H. V. Demir, “Organic-Inorganic Composites of Semiconductor Nanocrystals For Efficient Excitonics” J. Phys. Chem. Lett. 6, 2206 (2015). Invited Perspective Letter, selected as Front Cover. Link

23. B. Guzelturk, M. Olutas, S. Delikanli, Y. Kelestemur, O. Erdem, H. V. Demir, “Nonradiative energy transfer in colloidal CdSe nanoplatelet films,” Nanoscale 7, 2345 (2015). Link

22. B. Guzelturk, A. L. Kanibolotsky, C. Orofino-Pena, N. Laurand, M. D. Dawson, P. J. Skabara, H. V. Demir, “Ultralow-Threshold Up-Converted Lasing in Oligofluorenes with Tailored Strong Nonlinear Absorption,” J. Mater. Chem. C 3, 12018 (2015). Selected as Front Cover. Link

21. S. Delikanli, B. Guzelturk, P. L. Hernandez-Martinez, T. Erdem, Y. Kelestemur, M. Olutas, M. Z. Akgul, H. V. Demir, “Continuously Tunable Emission in Inverted Type-I CdS/CdSe Core/Crown Semiconductor Nanoplatelets,” Adv. Funct. Mater. 25, 4282 (2015). Link

20. H. Keita, B. Guzelturk, J. Pennakalathil, T. Erdem, H. V. Demir, D. Tuncel, “Construction of multi-layered white emitting organic nanoparticles by clicking polymers,” J. Mater. Chem. C 3, 10277 (2015). Link

19. Y. Kelestemur, M. Olutas, S. Delikanli, B. Guzelturk, M. Z. Akgul, H. V. Demir, “Type-II Colloidal Quantum Wells: CdSe/CdTe Core/Crown Heteronanoplatelets,”J. Phys. Chem. C 119, 2177-2185 (2015). Link

18. A. Yeltik, S. Delikanli, M. Olutas, Y. Kelestemur, B. Guzelturk, H. V. Demir, “Experimental Determination of the Absorption Cross-Section and Molar Extinction Coefficient of Colloidal CdSe Nanoplatelets,” J. Phys. Chem. C 119, 26768 (2015). Link

2014

17. B. Guzelturk, O. Erdem, M. Olutas, Y. Kelestemur, H. V. Demir, “Stacking in Colloidal Nanoplatelets: Excitonic Properties,” ACS Nano 8, 12524 (2014). Link

16. B. Guzelturk, Y. Kelestemur, M. Olutas, S. Delikanli, H. V. Demir, “Amplified Spontaneous Emission and Lasing in Colloidal Nanoplatelets,” ACS Nano 8, 6599 (2014). Link

15. B. Guzelturk, P. L. H. Martinez, Q. Zhang, Q. Xiong, H. Sun, X. W. Sun, A. O. Govorov and H. V. Demir, "Excitonics of semiconductor quantum dots and wires for lighting and displays," Laser & Photon. Rev. 8, 73 (2014). Selected as Front Cover. Link

14. B. Guzelturk, P. L. H. Martinez, V.K. Sharma, Y. Coskun, V. Ibrahimova, D. Tuncel, A. O. Govorov, X. W. Sun, Q. Xiong, H. V. Demir, “Study of exciton transfer in dense quantum dot nanocomposites,” Nanoscale 6, 11387 (2014). Link

13. E. Mutlugun*, B Guzelturk*, A. P. Abiyasa*, Y. Gao, X. W. Sun, H. V. Demir, “Colloidal Quantum Dot Light-Emitting Diodes Employing Phosphorescent Small Organic Molecules as Efficient Exciton Harvesters,” J. Phys. Chem. Lett. 5, 2802 (2014). * Equal contribution. Link

12. B. Guzelturk, Y. Kelestemur, M. Z. Akgul, V. K. Sharma, H. V. Demir, “Ultralow Threshold One-Photon and Two-Photon Pumped Optical Gain Media of Blue- Emitting Colloidal Quantum Dot Films,” J. Phys. Chem. Lett. 5, 2214 (2014). Link

11. B. Guzelturk, P. L. H. Martinez, D. Zhao, X. W. Sun, H. V. Demir, “Singlet and Triplet Exciton Harvesting in the Thin Films of Colloidal Quantum Dots Interfacing Phosphorescent Small Organic Molecules,” J. Phys. Chem. C 118, 25964 (2014). Link

10. V. K. Sharma, B. Guzelturk, T. Erdem, Y. Kelestemur, H. V. Demir, “Tunable White-Light-Emitting Mn-Doped ZnSe Nanocrystals,” ACS App. Mater. & Inter. 6, 3654 (2014). Link

9. Y. Kelestemur, A. F. Cihan, B. Guzelturk, H. V. Demir, “Type-Tunable Amplified Spontaneous Emission from Core-Seeded CdSe/CdS Nanorods Controlled by Exciton-Exciton Interaction” Nanoscale 6, 8509 (2014). Link

8. C. Uran, T. Erdem, B. Guzelturk, N. K. Perkgoz, S. Jun, E. Jang, H. V. Demir, “Highly polarized light emission by isotropic quantum dots integrated with magnetically aligned segmented nanowires,” Appl. Phys. Lett. 105, 141116 (2014). Link

2013

7. A.Yeltik*, B. Guzelturk*, P. L. H. Martinez, A. O. Govorov, H. V. Demir, “Phonon assisted nonradiative energy transfer into silicon from colloidal quantum dots,”ACS Nano 7, 10492 (2013).* Equal contribution. Link

6. A. Yeltik, B. Guzelturk, P. L. Hernandez-Martinez, S Akhavan, HV Demir, “Excitonic enhancement of nonradiative energy transfer to bulk silicon with the hybridization of cascaded quantum dots,” Appl. Phys. Lett. 103, 261103 (2013). Link

5. A. Yeltik, G. Kucukayan-Dogu, B. Guzelturk, S. Fardindoost, Y. Kelestemur, H. V. Demir, “Evidence for Nonradiative Energy Transfer in Graphene-Oxide-Based Hybrid Structures,” J. Phys. Chem. C 117, 25298 (2013). Link

4. A. F. Cihan, Y. Kelestemur, B. Guzelturk, O. Yerli, U. Kurum, H. G. Yaglioglu, A. Elmali, and H. V. Demir, “Attractive versus Repulsive Excitonic Interactions of Colloidal Quantum Dots Control Blue-to Red-Shifting (and Non-shifting) Amplified Spontaneous Emission,” J. Phys. Chem. Lett. 4, 4146 (2013). Link

2012

3. S. Akhavan, B. Guzelturk, V. K. Sharma, H. V. Demir, “Large-area semi-transparent light-sensitive nanocrystal skins,” Optics Express 20, 25255 (2012). Link

2011

2. S. Nizamoglu, B. Guzelturk, D.-W. Jeon, I. -H. Lee, H. V. Demir, “Efficient exciton migration from InGaN/GaN nanopillars to CdSe/ZnS core/shell nanocrystals,”Appl. Phys. Lett. 98, 163108 (2011). Link

2010

1. B. Guzelturk, E. Mutlugun, X. Wang, K. L. Pey, H. V. Demir, “Enhancement of photovoltaic radial junction nanopillar architecture integrating semiconductor quantum dot nanocrystals as light harvesters,” Appl. Phys. Lett. 97, 093111 (2010). Link