Yusuf Keleştemur | Department of Metallurgical and Materials Engineering

Listen

Yusuf Keleştemur

Vice Chair

Assist. Prof. Dr.

Room No: E-212

Tel: +90 (312) 210-2517

Fax: +90 (312) 210-2518

e-Mail: yusufk@metu.edu.tr

Education:

Post-Doc.: ETH Zurich, Switzerland (2017-2020)
Ph.D. Bilkent University, Turkey (2017)
M.S. Bilkent University, Turkey (2012)
B.S. Middle East Technical University, Turkey (2010)

Research Interests:

Colloidal Synthesis of Semiconductor Nanocrystals
Assembly and Surface Chemistry of Semiconductor Nanocrystals
Optoelectronic Applications with Semiconductor Nanocrystals
Nanomaterials

Publications:

Y. Kelestemur, Y. Shynkarenko, M. Anni, S. Yakunin, M. L. De Giorgi, M. V. Kovalenko, Colloidal CdSe Quantum Wells with Graded Shell Composition for Low-Threshold Amplified Spontaneous Emission and Highly Efficient Electroluminescence, ACS Nano, 13, 13899, 2019.
Y. Kelestemur, D. Dede, K. Gungor, C. F. Usanmaz, O. Erdem, and H. V. Demir, Alloyed heterostructures of CdSexS1-x nanoplatelets with highly tunable optical gain performance, Chemistry of Materials, 29, 4857, 2017.
Y. Kelestemur, B. Guzelturk, O. Erdem, M. Olutas, T. Erdem, C. F. Usanmaz, K. Gungor, and H. V. Demir, CdSe/CdSe1-xTex core/crown heteronanoplatelets: tuning the excitonic properties without changing the thickness, Journal of Physical Chemistry C, 121, 4650, 2017.
Y. Kelestemur, B. Guzelturk, O. Erdem, M. Olutas, K. Gungor, and H. V. Demir, Platelet-in-box colloidal quantum wells: CdSe/CdS@CdS core/crown@shell heteronanoplatelets, Advanced Functional Materials, 26, 3570, 2016.
B. Guzelturk, Y. Kelestemur, K. Gungor, A. Yeltik, M. Z. Akgul, Y. Wang, R. Chen, C. Dang, H. Sun, and H. V. Demir, Stable and low threshold optical gain in CdSe/CdS quantum dots: all-colloidal frequency up-converted laser, Advanced Materials, 27, 2741, 2015.
Y. Kelestemur,* M. Olutas,* S. Delikanli, B. Guzelturk, M. Z. Akgul, and H. V. Demir, Type-II colloidal quantum wells: CdSe/CdTe core/crown heteronanoplatelets, Journal of Physical Chemistry C, 119, 2177, 2015. (*equal contribution)
B. Guzelturk,* Y. Kelestemur,* M. Olutas, S. Delikanli, and H. V. Demir, Amplified spontaneous emission and lasing in colloidal nanoplatelets, ACS Nano, 8, 6599, 2014. (*equal contribution)
Y. Kelestemur,* A. F. Cihan,* B. Guzelturk, and H. V. Demir, Type-tunable amplified spontaneous emission from core-seeded CdSe/CdS nanorods controlled by exciton-exciton interaction, Nanoscale, 6, 8509, 2014. (*equal contribution)
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 nonshifting) amplified spontaneous emission, Journal of Physical Chemistry Letters, 4, 4146, 2013. (*equal contribution)

Last Updated:

04/12/2023 - 15:06