Conference Presentations

Invited Talks
1) 23rd International Conference on Photochemical Conversion and Storage of Solar Energy, August 3 – 6, 2021, Lausanne, Switzerland. “Ultra-thin, extremely lightweight flexible perovskite solar cells with a record efficiency of 19.78%”.

2) Interphotonics, October 8 – 12, 2018, Antalya, Turkey. “New horizons for perovskite solar cells employing DNA as hole transporting material”

3) Global Congress & Expo on Materials Science & Nanoscience, October 24 – 26, 2016, Dubai, UAE. “DNA-perovskite solar cells”

4) 6th International Conference and Exhibition on Materials Science and Engineering, September 12 – 14, 2016. Atlanta, USA. “Multi-junction perovskite solar cell”

5) Energy, Materials and Nanotechnology, April 21 – 25, 2016. Beijing, China. “Novel hole transport material for high performance perovskite solar cells”

6) 1st International Conference on Organic Electronic Material Technologies, March 25 – 28, 2015. Elazig, Turkey. “Photoelectrochemical water splitting driven by triple-junction polymer solar cells”

7) The 6th International Workshop on Flexible & Printable Electronics, November 5 – 7, 2014. Chonju, Korea. “Polymer tandem solar cells”

8) Energy, Materials and Nanotechnology, February 27 – March 2, 2014. Las Vegas, Nevada, USA. “High performance polymer tandem solar cells”

9) 16th International Symposium on the Physics of Semiconductors and Applications, July 2 – 5, 2013. Jeju, Korea. “Effect of solution process metal-oxides on the performance of organic devices”

10) 19th International Display Workshops in conjunction with Asia Display, December 4 – 7, 2012. Kyoto, Japan. “Metal oxide for large area electronics”

11) International Symposium on Semiconductor Materials and Devices, February 28 – 30, 2011. Vadodara, Gujarat, India. “Organic semiconductors in electronic and spintronics vertical architecture transistors”

12) 3rd Topical Meeting on Spins in Organic Semiconductor, August 31 – September 3, 2010. Amsterdam, Netherlands. “Devices with different charge injection conditions as organic magnetocurrent investigation tool”

13) India, Brazil, and South Africa (IBSA) Meeting on Nanotechnology, September 13 – 19, 2009. Curitiba, Brazil. “Hybrid bipolar transistor with large magnetocurrent and current gain”

Symposiums/Colloquia
14) IV International Symposium on Adv. Mater. and Nanostructures, May 17 – 19, 2010. Santo Andre, Brazil. “Hybrid transistors in metal-base and permeable-base device architecture”

15) 15th Brazilian Workshop on Semiconductor Physics, April 10 – 15, 2010. Universidade Federal de Juiz de Fora, Brazil. “Organic electronic and spintronics vertical architecture transistors”

16) Contemporary Science of Polymeric Materials, February 28 – March 2, 2010. University of Malta, Vallatta, Malta. “Conducting polymers in vertical architecture transistors”

17) Seminar at Istanbul University, August 17 – 21, 2009. Istanbul, Turkey. “Conjugated polymers and small molecular weight materials in metal-base transistors”

18) Workshop on Organic Spintronics, December 15 – 16, 2008. National Cheng Kung University, Taiwan. “Hybrid vertical architecture transistor with magnetic-field-dependent current amplification and true-single-carrier devices as organic magnetocurrent investigation tools”

Seminars/Workshops
19) International Joint Workshop at TAKOMA, Nonsan-City, South Korea. “Organic solar cells”

20) Seminar at Jilin University, December 17, 2010. Jilin, China. “Hybrid vertical architecture transistor with magnetic-field-dependent current amplification and true-single-carrier devices as organic magnetocurrent investigation tools”

21) Seminar at Changchun Institute of Applied Chemistry, December 18, 2010. Changchun, China. “Hybrid vertical architecture transistor with magnetic-field-dependent current amplification and true-single-carrier devices as organic magnetocurrent investigation tools”

22) European Doctoral School on Metamaterials and 14th International Student Seminar Microwave and Optical Applications of Novel Physical Phenomena, August 20 – 24, 2007. Belfast, Northern Ireland, United Kingdom. “Theoretical investigations on conducting polymer/Ag/dielectric-material interface”

Talks and Posters
23) Materials Challenges in Alternative and Renewable Energy 2019, August 19 – 23, Jeju Island, South Korea. “Surface passivation of perovskite film for efficient and stable solar cells”

24) XIII International Conference on Nanostructured Materials 2016, August 7 – 12, Quebec City, Canada. “Highly efficient photoelectrochemical water splitting by a hybrid tandem perovskite solar cells”

25) 3rd ENEFM 2015, Oct. 19 – 23, Oludeniz, Turkey. “Highly efficient photoelectrochemical water splitting driven by a triple-junction organic photovoltaic”

26) EMRS 2015, May 11 – 15, Lille, France. “Understanding the pH-dependent behavior of graphene oxide aqueous solutions on organic photovoltaic performance”

27) EMRS 2015, May 11 – 15, Lille, France. “Quantum-dots light emitting diode based on nickel nanowires transparent electrode”

28) EMRS 2015, May 11 – 15, Lille, France. “Graphene oxide grafted polyethylenimine transparent electrode for highly efficient organic devices”

29) EMRS 2015, May 11 – 15, Lille, France. “High performance organic photovoltaic based on zinc carbonate doped graphene oxide”

30) EMRS 2015, May 11 – 15, Lille, France. “Bridging facile one-pot synthesis of zinc oxide nanorods with graphene in high efficiency organic photovoltaic”

31) MRS 2015, April 6 – 10, San Francisco, USA. “Graphene oxide for highly efficient perovskite solar cells”

32) The 9th Aseanian Conference on Dye-Sensitized and Organic Solar Cells (DSC-OPV9) 2014, Dec. 8 – 10, Sydney, Australia. “Efficient tandem and triple-junction polymer solar cells”

33) 6th World Conference on Photovoltaic Energy Conversion 2014, Nov. 23 – 27, Kyoto, Japan. “Interface engineering for high performance organic photovoltaic”

34) EMRS 2014, May 26 – 30, Lille, France. “Which one is on top? Comprehensive study in plasmonic organic solar cell”

35) MRS 2014, Apr. 21 – 25, San Francisco, USA. “Inverted organic solar cells with tungsten oxide grafted PEDOT:PSS anode interfacial layer”

36) IWFPE 2013, Nov. 20 – 22, Jeonju, Korea. “Stable OPV with PEDOT:PSS and metal oxide mixture anode buffer”

37) MRS Fall Meeting 2013, Dec. 1 – 6, Boston, USA. “Graphene interconnecting layer for high performance tandem solar cells”

38) JSAP-MRS 2013, Sept. 16 – 20, Kyoto, Japan. “High performance organic photovoltaic with polyethylene glycol:isopropyl alcohol”

39) IMID The 13th International Meeting on Information Display 2013, August 26 – 29, Korea. “Improved performance of a solution-processed organic photovoltaics with LZO and NiOx:PEDOT:PSS”

40) PV SEC 22, Nov. 5 – 9, Hangzhou, China. “Solution processed encapsulation for organic solar cells”

41) PV SEC 22, Nov. 5 – 9, Hangzhou, China. “High efficiency organic tandem solar cells with GO and ZnO buffer layers”

42) The 12th International Meeting on Information Display 2012, August 28 – 31, Daegu, Korea. “the effect of doping concentration on the performance of inverted organic photovoltaic solar cells”

43) HOPV 2012, May 6 – 9, Uppsala, Sweden. “Organic photovoltaic cells based on trilayer graphene oxide”

44) EMRS 2012, May 14 – 18, Strasbourg, France. “Organic photovoltaic solar cells with cathode modified by ZnO”

45) APS March Meeting, March 21 – 25, Dallas, Texas, USA. “Thickness and voltage dependence in positive magnetocurrent of bipolar hybrid heterolayer permeable-base transistor at room temperature”

46) International Conference on Science and Technology of Synthetic Metals, July 6 – 11, Pernambuco, Brazil. “Gigantic magnetoresistance oligo(fluorenylenevinylene)s”

47) International Conference on Surface Plasmon Photonics, June 17 – 22, Dijon, France. “The finite difference time domain method as a numerical modeling tool for studying the properties of conducting polymer/Ag/dielectric-material interface”

48) Conference on Physics of Linear, Nonlinear and Active Photonic Crystals, May 22 – 25, Warsaw, Poland. “Investigation on properties of conducting polymer/Ag/dielectric-material interface: experiment and theory”

49) First International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, October 22 – 26, Rome, Italy. “Electromagnetic propagation of conducting polymer/Ag/dielectric-material interface”

50) 9th International Symposium on Pi-Functional Electron Systems, May 23 – 28, Georgia Technology Institute, USA. “The effect of applied magnetic field on tris-(8-hydroxyquinoline) aluminum-based hybrid vertical architecture transistor”

51) 3rd Topical Meeting on Spins in Organic Semiconductor, August 31 – September 3, Amsterdam, Netherlands. “Influence of the thickness of chemically deposited sulfonated polyaniline used as base terminal on the behavior of hybrid vertical architecture transistor”

52) SPIE Photonics Europe, April 7 – 10, Palais de la Musique et des Congrès, Strasbourg, France. “Modelling of surface plasmon polaritons and related phenomena by finite different time domain method”