Browsing by Author "Işık, Furkan"

Now showing items 1-10 of 10

    • Color enrichment solids of spectrally pure colloidal quantum wells for wide color Span in displays 

      Erdem, T.; Soran Erdem, Z.; Işık, Furkan; Shabani, Farzan; Yazici, A. F.; Mutlugün, E.; Gaponik, N.; Demir, H. V. (Wiley-VCH Verlag GmbH & Co. KGaA, 2022-07-18)
      Colloidal quantum wells (CQWs) are excellent candidates for lighting and display applications owing to their narrow emission linewidths (<30 nm). However, realizing their efficient and stable light-emitting solids remains ...

    • Deep-red-emitting colloidal quantum well light-emitting diodes enabled through a complex design of core/crown/double shell heterostructure 

      Shabani, Farzan; Dehghanpour Baruj, Hamed; Yurdakul, Iklim; Delikanlı, Savaş; Gheshlaghi, Negar; Işık, Furkan; Liu, B.; Altıntaş, Yemliha; Canımkurbey, Betül; Demir, Hilmi Volkan (Wiley, 2022-02-24)
      Extending the emission peak wavelength of quasi-2D colloidal quantum wells has been an important quest to fully exploit the potential of these materials, which has not been possible due to the complications arising from ...

    • Direct laser writing of resonant periodic nanostructures in thin light-emitting films of CdSe/CdZnS core/shell nanoplatelets 

      Azizov, R.; Sinev, I.; Işık, Furkan; Shabani, Farzan; Pushkarev, A.; Yurdakul, İklim; Delikanli, Savaş; Demir, Hilmi Volkan; Makarov, S. (AIP Publishing LLC, 2022-11-28)
      Core/shell CdSe/CdZnS nanoplatelets (NPLs) are a promising class of nanomaterials for lasing applications owing to their low thresholds and high stability of stimulated emission generation as compared with many other types ...

    • Impurity incorporation and exchange interactions in Co2+-doped CdSe/CdS core/shell nanoplatelets 

      Fainblat, R.; Delikanlı, Savaş; Spee, L.; Czerny, T.; Işık, Furkan; Sharma, V. K.; Demir, Hilmi Volkan; Bacher, G. (American Institute of Physics, 2019)
      The intentional incorporation of transition metal impurities into colloidal semiconductor nanocrystals allows an extension of the host material’s functionality. While dopant incorporation has been extensively investigated ...

    • Observation of optical gain from aqueous quantum well heterostructures in water 

      Delikanlı, Savaş; Durmuşoğlu, E.G.; Erdem, Onur; Shabani, Farzan; Kumar, Satish; Barujb, Hamed Dehghanpour; Demir, Hilmi Volkan; Işık, Furkan; Canımkurbey, Betül (Royal Society of Chemistry, 2022-09-25)
      Although achieving optical gain using aqueous solutions of colloidal nanocrystals as a gain medium is exceptionally beneficial for bio-optoelectronic applications, the realization of optical gain in an aqueous medium using ...

    • Optical microfluidic waveguides and solution lasers of colloidal semiconductor quantum wells 

      Maskoun, Joudi; Gheshlaghi, Negar; Işık, Furkan; Savaş, Delikanlı; Onur, Erdem; Emine Yegan, Erdem; Hilmi Volkan, Demir (Wiley-VCH Verlag GmbH & Co. KGaA, 2021-01-25)
      The realization of high-quality lasers in microfluidic devices is crucial for numerous applications, including biological and chemical sensors and flow cytometry, and the development of advanced lab-on-chip (LOC) devices. ...

    • Optically detected magnetic resonance in CdSe/CdMnS nanoplatelets 

      Tolmachev, D. O.; Ivanov, V. Y.; Yakovlev, D. R.; Shornikova, E. V.; Witkowski, B.; Shendre, S.; Işık, Furkan; Delikanlı, Savaş; Demir, Hilmi Volkan; Bayer, M. (Royal Society of Chemistry, 2020)
      Core/shell CdSe/(Cd,Mn)S colloidal nanoplatelets containing magnetic Mn2+ ions are investigated by the optically detected magnetic resonance technique, combining 60 GHz microwave excitation and photoluminescence detection. ...

    • Sub-single exciton optical gain threshold in colloidal semiconductor quantum wells with gradient alloy shelling 

      Taghipour, Nima; Delikanlı, Savaş; Shendre, S.; Sak, Mustafa; Li, M.; Işık, Furkan; Tanrıöver, İbrahim; Güzeltürk, B.; Sum, T. C.; Demir, Hilmi Volkan (Nature Research, 2020)
      Colloidal semiconductor quantum wells have emerged as a promising material platform for use in solution-processable lasers. However, applications relying on their optical gain suffer from nonradiative Auger decay due to ...

    • Ultrahigh green and red optical gain cross sections from solutions of colloidal quantum well heterostructures 

      Delikanli, Savaş; Erdem, Onur; Işık, Furkan; Dehghanpour Baruj, Hamed; Shabani, Farzan; Yağcı, Hüseyin Bilge; Durmuşoğlu, E. G.; Demir, Hilmi Volkan (American Chemical Society, 2021-03-11)
      We demonstrate amplified spontaneous emission (ASE) in solution with ultralow thresholds of 30 μJ/cm2 in red and of 44 μJ/cm2 in green from engineered colloidal quantum well (CQW) heterostructures. For this purpose, CdSe/CdS ...

    • Ultralow threshold optical gain enabled by quantum rings of inverted type-I CdS/CdSe core/crown nanoplatelets in the blue 

      Delikanlı, Savaş; Işık, Furkan; Shabani, Farzan; Baruj, Hamed Dehghanpour; Taghipour, Nima; Demir, Hilmi Volkan (Wiley-VCH Verlag GmbH & Co. KGaA, 2021-04-20)
      Achieving low-threshold optical gain for solution-processed materials is crucial for their real-life applications and deployment as gain media. However, the realization of low gain threshold in the blue region has shown ...