Laboratory: About, Vision and Mission

Material Production and Preparation Laboratory-A, studies on energy storage and transformation. The aim is to improve the use of carbon-based materials in Li-ion batteries, hydrogen storage and solar cell technologies.

In this context, in Material Production and Preparation Laboratory-A; both theoretical and applied research and development studies on hydrogen storage, Li-ion batteries and photovoltaic systems, with the production, characterization and modification of the carbonaceous materials such as carbon nanotube, activated carbon, graphene and composite materials (with polymer and inorganic materials) carried out. Our aim is to develop new hybrid materials as an electrode for organic/perovskite solar cells and Li-ion batteries.

Laboratory Facilities

• TGA/DSC
• 9-Arm Ports Glove Box (Nitrogen Environment/Solar Cell Studies)
• Thermal Evaporator
• Am 1.5 Filter Solar Simulator
  
• Spin Coater
• Tube Furnace And Muffle Furnace
• Vacuum Oven
• Microwave Digestion System
• Ultrasonic Homogenizer
• Optical Microscope
• Freeze Dryer

Research Areas

• Carbon Nanotube Technologies
• Production (Chemical Vapor Deposition Method)
• Characterization (TGA, TEM, Raman Spectroscopy analysis)
• Composite material production and applications
• Electrochemical applications
• Photovoltaic applications
• Activated Carbon Technologies
• Production (Physical and Chemical Activation Methods)
• Characterization (TGA, BET Surface Area and Porosity, FTIR, XRD analysis)
• Improvement of surface properties
• Gas phase applications (SO2 and CO2 adsorption)
• Liquid phase applications (adsorption of various heavy metals and some organic compounds)
• Hydrogen Technologies
• Hydrogen Storage
• Investigation of hydrogen adsorption of carbon nanotubes and modified (functionalized with polymers and doped with metal) carbon nanotubes
• Hydrogen Production
• Biomass gasification
• Cleaning and purification of gas mixtures in terms of hydrogen gas

Laboratory Projects

Research Projects of Students:

Gokceli, G., Karatepe, N. Development of Carbon Nanotube Doped Indium Tin Oxide Thin Films as Permeable and Conductive Electrodes, ITU Scientific Research Projects Unit, Master Thesis Project, 2018.

Çokkanlı, B., Karatepe, N. Use of Graphene as Anode Material in Lithium-Ion Batteries, ITU Scientific Research Projects Unit Project, 2015.

Çolak, F., Karatepe, N. Selective Production of Semiconductor Single-Walled Carbon Nanotubes, ITU Scientific Research Projects Unit Project, 2014.

Çakmak, İ., Karatepe, N. Preparation of Carbon Nanotube Transparent Electrodes, ITU Scientific Research Projects Unit Project, 2015.

Bakalcı, H., Karatepe, N. Investigation of Metal Doped Graphite as Anode Material in Lithium-Ion Batteries, ITU Scientific Research Projects Unit Project, 2015.

Akın, N., Karatepe, N. Investigation of the Use of Modified Graphite as Anode Material in Lithium-Ion Batteries, ITU Scientific Research Projects Unit Project, 2015.

Ürper, O., Karatepe, N. Use of Carbon Nanotubes as Permeable Electrode, ITU Scientific Research Projects Unit Project, 2013.

Dalkılıç, Z., Karatepe, N. Carbon Nanotube Production and Its Use in Photovoltaic Systems, ITU Scientific Research Projects Unit Project, 2013.

Deniz, C., Karatepe, N., Hydrogen and Carbon Nanotube Production by Catalytic Decomposition of Hydrocarbon Gases, ITU Scientific Research Projects Unit Project, 2012-2013.

Gümüş, F. Karatepe, N. Synthesis of Carbon Nanotubes Using Different Support Materials, ITU Scientific Research Projects Unit Project, 2013.

Other Projects:

Development of Metal and Carbon Based ITO Hybrid Anodes in Organic Solar Cells, ITU Scientific Research Projects Unit, General Research Project MGA-2017-40837, 2017-…

Production and Development of 100% Graphene Continuous Fiber (Filament) and Textile Surface by Wet Spinning Method, Investigation of Gas Adsorption Application, 114M524-1001 Tübitak Project, 2014-2018.

Determinationof the Basic Characteristics and Revealing the Atomic Mechanisms of the Thermal Stability of Different Hydrogenated Graphene-Layers-Based Nanostructures and Carbon Nanotubes, Relevance to the Problem of the Hydrogen On-Board Storage in Fuel-Cell-Powered Ecological Vehicles,Tübitak Russia Foundation (Rfbr) Cooperation Program, 213M523, ITU-Sabancı University-Russia, 2014-2016.

Development of Functional High Efficiency Organic Solar Cells with Carbon Nanotubes, 113M940-1003 Tübitak Project, 2014-2016.

Investigation of the Use of Carbon Nanotubes as Permeable Electrodes in Organic Solar Cells, ITU Scientific Research Projects Unit Project, 2013-...

For consumer electronics applications, high energy density cell design, prototype and pilot production, safety and life testing, Tübitak TEYDEP project (İnci battery A.Ş.), 2013-2015.

BSUN Joint Master Degree Study Program on the Management of Renewable Energy Sources, AB Project (Contract No: TR07C1.01-02/127), 2011-2015.

Laboratory Achievements (thesis, products, methods)

Products:

Carbon nanotube, Graphene, Activated carbon

Theses completed in the last 5 years:

Fatih Gümüş, Synthesis of Carbon Nanotubes Using Different Support and Catalyst Materials, 2013. Aynur Şenyer, Hydrogen Adsorption in Metal Doped Carbon Nanotubes, 2013.

Ömer Faruk Konar, Techno-Economic Analysis of Hydrogen Supply Chains And Hydrogen Aircrafts For Gauteng Metropolitan Region of South Africa, 2013.

Cansu Deniz, Hydrogen and Carbon Nanotube Production via Catalytic Decomposition of Methane, 2013.

Zeynep Dalkılıç, Vertical Carbon Nanotube Production and Investigation of Surface Properties for Various Applications, 2014.

Osman Ürper, The Use of Single-Walled Carbon Nanotubes as Electrode Material in Organic Solar Cells, 2014.

Handan Bakalcı, Investigation of Anode Properties and Battery Performance of Metal Doped Graphite for Lithium Ion Batteries, 2014.

Nergis Akın, Investigation of the Use of Modified Graphite as Anode Material in Lithium-Ion Batteries, 2014.

İpek Çakmak, Preparation of Carbon Nanotube Transparent Electrodes, 2015.

Selim Erbil, Carbon Inventory at Automobile Factory and Evaluation of Greenhouse Gas Reducing Measures, 2015

Fatma Çolak, Fabrication of Single-Walled Carbon Nanotube Conductive Thin Films, November 2015

Rüya Atlıbatur, Separation and Characterization of Single-Walled Carbon Nanotubes According to Electronic Structures, June 2016

Fereshteh Ordokhani, Sorting Single Wall Carbon Nanotubes By Electronic Structure Using Gel Chromatography, June 2016

Gökçen Gökçeli, Preparation of Indium Tin Oxide Thin Films and Investigation of Hydrogen Post-Treatment Effect, June 2018

Gökçen Gökçeli, Development of Carbon Nanotube Doped Indium Tin Oxide Thin Films as Permeable and Conductive Electrodes, June 2018

Services Provided by the Laboratory

• TGA/DSC Measurements

   

  Publications

  Articles published in international peer-reviewed journals:

  Urper, O., Çakmak, İ., & Karatepe, N. (2018). Fabrication of carbon nanotube transparent conductive films by vacuum filtration method. Materials Letters, 223, 210-214.

  Ordokhani, F., Atlibatur, R., Gursel, Y., & Karatepe, N. (2018). Modified mixed chromatography method for separation of single-walled carbon nanotubes based on diameter and conductivity.Materials Letters,222, 113-117.

  Uçar, N., Gokceli G., Özsev Yüksek, İ., Önen, H. A., Karatepe Yavuz, N., (2018). Effect of coagulation time, number of coagulation bath and ingredients on properties of continuous graphene oxide fibre, Indian Journal of Fibre & Textile Research, 43, pp. 217-223

  Ünlü, A., Meran, M., Dinc, B., Karatepe, N., Bektaş, M., & Güner, F. S. (2018). Cytotoxicity of doxrubicin loaded single-walled carbon nanotubes. Molecular Biology Reports, 1-9.

  Uçar, N., Can, E., Özsev Yüksek, İ., Ölmez, M.,Önen, H. A., Karatepe Yavuz, N., “The effect of exfoliation and plasma application on the properties of continuous graphene oxide fiber”, Fullerenes, Nanotubes and Carbon Nanostructures, Vol.25, No.10, 570-575, 2017.

  Alptoğa, Ö,Uçar, N., Karatepe, N., Önen, H. A., “Effects of the Coagulation Bath and Reduction Process on SO2 Adsorption Capacity of Graphene Oxide Fiber”, World Academy of Science, Engineering and Technology, Vol.11, No.6, 375-378, 2017.

  Oytun, F., Dizman, C., Karatepe, N,Alpturk, O., Basarir, F., Preparation of transparent conducting electrode on polysulfone film via multilayer transfer of layer-by-layer assembled carbon nanotubes, Thin Solid Films, Vol.625, 168-176, 2017.

  Çolak, F., Dalkılıç, Z., Mohseni, A.T., Atlıbatur, R., Çolak, Ü., Arıcı, E., Karatepe, N., “MoOx Doped Single-Walled Carbon Nanotube Films as Hole Transport Layer for Organic Solar Cells”, Acta Physica Polonica A, Vol.131, No.3, 474-476, 2017.

  Uçar, N., Ölmez, M., Alptoğa, Ö., Karatepe Yavuz,N.,Önen, H. A., Graphene Oxide Fiber with Different Exfoliation Time and Activated Carbon Particle, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, Vol.10, No.1, 1487-1491, 2016.

  Eksik, O., Aksakal, C., Yavuz, R., Karatepe, N.,“Synthesis of Graphene-Metal Nanocomposite Anode Materials for Lithium Ion Batteries”, International Journal of Nanotechnology & Nanomedicine, Vol.1, No.1, 1-5, 2016.

  Uçar, N., Gökçeli, G., Yüksek, İ., Ö, Önen, H. A., Karatepe, N., “Graphene Oxide and Graphene Fiber Produced by Different Nozzle Size, Feed Rate and Reduction Time with Vitamin C”, Journal of Industrial Textiles, 2016 (Accepted).

  Uçar, N., Gökçeli, G., Yüksek, İ.Ö, Önen, H. A., Karatepe, N., “The Effect of Coagulation Time, Number of Coagulation Bath And Ingredients on Propertıes of Continous Graphene OxideFiber”, Indian Journal of Fibre & Textile Research (IJFTR), 2016 (Accepted).

  Uçar, N., Çavdar, G., Karatepe, N., Kızıldağ, N, Altay, P, “SO2 Adsorption Capability of Activated Carbon Nanofibers Produced By Different Activatıon Process Parameters”, Tekstil ve Konfeksiyon, Vol.26, No.4, 407-413, 2016

  A.B. Tuğrul, S. Erentürk, S. Hacıyakupoğlu, N.Karatepe, N.Altınsoy,N. Baydogan, F.Baytaş, B.Buyuk, E.Demir,S. Gedik, “Kinetic and Thermodynamic Behavior of Selenium on Modified Bentonite and Activated Carbon using Radiotracer Technique”, Acta Physica Polonica A, 128 (2B), B180-181, 2015.

  Uçar, N., Gökçeli, G., Karatepe, N., Önen, H. A., The Effect of Dispersion Preparation Type and Last Coagulation Bath on Graphene Oxide Fibers Produced by Wet Spinning Technique”, Tekstil ve Konfeksiyon, 25 (3), 215-219, 2015.

  Dündar Tekkaya, E., Karatepe, N., “Investigation of Reaction Time, Weight Ratio, and Type of Catalyst on the Yield of Multi-Wall Carbon Nanotubes Synthesized by Chemical Vapor Deposition of Acetylene”, Fullerens, Nanotubes and Carbon nanostructures, Vol.23, No. 10, 853-859, 2015.

  Çelebi, M.C., Karatepe, N., “An Investigation of Thermal Decomposition Behavior of Hazelnut Shells”,International Journal of Green Energy, Vol.12, No.1, 93-97, 2015.

  Dündar Tekkaya, E., Karatepe, N., “Hydrogen adsorption of carbon nanotubes grown on differentcatalysts”, International Journal of Hydrogen Energy, Vol. 40, No.24, 7665-7670, 2015.

  Dündar Tekkaya, E., Karatepe, N., “Effect of Reaction Time, Weight Ratio, and Type of Catalyst on the Yield of Single-Wall Carbon Nanotubes Synthesized by Chemical Vapor Deposition of Acetylene”, Fullerens, Nanotubes and Carbon nanostructures, Vol. 23, No.6, 535-541, 2015.

  A.B. Tuğrul, S. Hacıyakupoğlu, S. Erentürk, N.Karatepe, F.Baytaş, N. Baydogan, N.Altınsoy,,B.Buyuk, E.Oruçoğlu, E.Demir,Investigation for Remediation of Selenium Aqueous Environment with Using Organic Pillared Bentonite by Radiotracer Technique, Acta Physica Polonica A, 127 (4), 1186-1188, 2015.

  Nechaev, Y. S.,Yürüm, A., Tekin, A., Karatepe Yavuz, N., Yürüm, Y., Veziroğlu, T. N.,"Fundamental open questions on engineering of "super" hydrogen sorption in graphite nanofibers: relevance for clean energy applications",American Journal of Analytical Chemistry, Vol.5, No.16, 1151-1165, 2014.

  Karatepe, N., Yuca, N., Şenkal, B.F., “Synthesis of Carbon Based Nano Materials for Hydrogen Storage”, Fullerens, Nanotubes and Carbon nanostructures, Vol:21, No:1, 31-46, 2013.

  Yuca, N., Karatepe, N., Yakuphanoğlu, F, Hepuzer Gürsel, Y. “Thermal and Electrical Properties of Carbon Nanotube Based Materials”, Acta Physica Polonica A, 123 (2), 352-354, 2013.

  Altinsoy, N., Tugrul, A.B, Baytaş, A.F., Baydoğan, N., Karatepe, N., Haciyakupoğlu, S., Büyük, B., “Investigation of Helical Flow by Using Tracer Technique”, Tracer 6 - The 6th International Conference On Tracers And Tracing MethodsBook Series, Vol.50,Article No.01001, 2013.

  Baytaş, A.F., Tugrul, A.B, Gökbulak, F., Baydoğan, N., Altinsoy, N.,Haciyakupoğlu,S., Karatepe, N., Erentürk., S.A.,Büyük, B., Demir, E., Camtakan, Z., “Investigation of Salt Diffusion in Soil by Using Radiotracing Technique”, Diffusion in Solids and Liquids VIIIBook Series:Defect and Diffusion Forum,Vol.334-335,274-278, 2013.

  Deniz, C.,Karatepe, N., “Hydrogen and Carbon Nanotube Production via Catalytic Decomposition of Methane” , Carbon Nanotubes, Graphene, and Assocıated Devıces VIBook Series: Proceedings of SPIE,Vol: 8814 A.No: 881405 Edited by Pribat, D; Lee, YH; Razeghi, M; et al., 2013.

  Gümüş, F., Yuca, N., Karatepe, N., “Carbon nanotube synthesis with different support materials and catalysts”, Carbon Nanotubes, Graphene, and Assocıated Devıces VIBook Series: Proceedings of SPIE,Vol: 8814 A.No: 881404 Edited by Pribat, D; Lee, YH; Razeghi, M; et al., 2013.

  Yuca, N., Camtakan, Z., Karatepe, N., “Different Techniques for Characterizing Single-Walled Carbon Nanotube Purity”, Carbon Nanotubes, Graphene, and Assocıated Devıces VIBook Series: Proceedings of SPIE,Vol: 8814 A.No: 881403 Edited by Pribat, D; Lee, YH; Razeghi, M; et al., 2013.

  Yuca, N., Gümüş, F., Karatepe, N., “The Role of H-2 Reduction in the Growth of Single-Walled Carbon Nanotubes”, Carbon Nanotubes, Graphene, and Assocıated Devıces VIBook Series: Proceedings of SPIE,Vol: 8814 A.No: 881406 Edited by Pribat, D; Lee, YH; Razeghi, M; et al., 2013.

   

  Papers presented at international scientific meetings and published in the proceedings book:

  Gerçek, A., Karatepe, N., “Diameter-Controlled Synthesis of Single Wall Carbon Nanotubes by Catalytic Decomposition of Acetylene on Bimetallic Co–Mo Catalysts”, International Energy Raw Materials and Energy Summit (INERMA 2017), İstanbul, 27-30 September 2017.

  Gökçeli, G., Tabatabaei, A., Özkan Zayim, E., Karatepe, N., “Development of Indium Tin Oxide-Carbon Nanotube Hybrid Transparent Conductive Electrodes for Solar Cells”, International Energy Raw Materials and Energy Summit (INERMA 2017), İstanbul, 27-30 September 2017.

  Beton, İ., Gökçeli, G., Yavuz, R., Karatepe, N., “Investigation of CO2 Adsorption Capacities of Chemically Activated Carbons Prepared from Olive Stone”, International Energy Raw Materials and Energy Summit (INERMA 2017), İstanbul, 27-30 September 2017.

  Ordokhani, F., Atlıbatur, R., Eksik, O., Çolak, Gürsel, Y., Karatepe, N., “Effective Mixed Chromatography Method to Separation of Large/Small Diameter Semiconducting Single Walled Carbon Nanotubes”, International Conference and Exhibition on Advanced and Nanomaterials, Kanada, 7-9 September 2017.

  Atlıbatur, R., Ordokhan, F., Eksik, O., Çolak, Gürsel, Y., Karatepe, N.,“Enhanced Desorption System for Separation of Metallic-Single Walled Carbon Nanotubes ”, International Conference and Exhibition on Advanced and Nanomaterials, Kanada, 7-9 September 2017.

  Alptoğa, Ö,Uçar, N., Karatepe, N., Önen, H. A.,”Adsorption of SO2 on Metal Doped Graphene Oxide Fibers”, 16thInternatıonal the Recent Progress Symposıum on Textıle Technology And Chemıstry, Bursa, 4-6 May 2017.

  Partovi Meran, M.,Akkuş, P.D., Kürkçüoğlu Levitas, A.Ö., Kartepe, N., Hızal, G., Güner, F.S., “Peg Modified Single-Walled Carbon Nanotubes: Molecular Dynamics Simulations and Experimental Approach, The Porous and Powder Materials Symhosium and Exhibitions-PPM 2017, İzmir, 12-15 September, 2017.

  Partovi Meran, M.,Akkuş, P.D., Kürkçüoğlu Levitas, A.Ö., Kartepe, N., Hızal, G., Güner,Sepember Sepember F.S., “Doxorubicin Loaded Carbon Nanotubes as Multimodal Nanocarriers for Cancer Treatment”, 5th International Bau DrugDesign Congress ,Novel Methods andEmerging Targets in Drug Discovery PatentedDrug Development, İstanbul, 19-21 October 2017.

  Ünlü, A., Dinç B., Partovi Meran, M.,Karatepe, N., Bektaş, M., “In Vitro Cytotoxicity of Multiwalled Carbon Nanotubes as Protein Nanocarriers”, 5th International Bau DrugDesign Congress ,Novel Methods andEmerging Targets in Drug Discovery PatentedDrug Development, İstanbul, 19-21 October 2017.

  A.B. Tuğrul, N. Altınsoy,E.Demir, S. Erentürk, N.Karatepe, S. Hacıyakupoğlu, B.Buyuk, N. Baydogan,F.Baytaş, Evaluation for Elimination of methylene-orange from aqueous media bay using membrane”, AIP Conference Proceedings, 1809, 020047, 2 doi: 10.1063/1.4975462, 2017.

  Dalkılıç, Z., Çolak, F., Mohseni, A.T., Karatepe, N., Improvement of Surface Properties of VACNT/MoOx Buffer Layer for High Efficient Solar Cells, Seventeenth International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials (NT16), Vienna-Austria, 7-13 August, 2016.

  Çolak, F., Mohseni, A.T., Karatepe, N., Hybrid Graphene/Carbon Nanotube Films as Transparent Conductors, Seventeenth International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials (NT16), Vienna-Austria, 7-13 August, 2016.

  Ordokhani, F., Atlıbatur, R., Gürsel, Y., Karatepe, N., Effective separation of metallic and semiconducting single-wall carbon nanotubes by using binary hydrogels, Seventeenth International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials (NT16), Vienna-Austria, 7-13 August, 2016.

  Atlıbatur, R., Ordokhani, F., Gürsel, Y., Karatepe, N., Development of Gel Chromatography Method for High Yield Metal/Semiconductor Separation of Carbon Nanotubes, Seventeenth International Conference on the Science and Application of Nanotubes and Low-Dimensional Materials (NT16), Vienna-Austria, 7-13 August, 2016.

  Çolak, F., Dalkılıç, Z., Mohseni, A.T., Atlıbatur, R., Çolak, Ü.,Arıcı, E., Karatepe, N., MoOx Doped Single-Walled Carbon Nanotube Films as Hole Transport Layer for Organic Solar Cells, APMAS-2016,İstanbul, 1-3 June, 2016.

  Dalkılıç, Z., Karatepe, N., Mohseni, A.T., Çolak, F., Usage of Surface Modified MoOx/VACNT Buffer Layer in Organic Solar Cells”, 6th EuCheMS Chemistry Congress, Seville, Spain, 11-15 September, 2016.

  Tugrul, A.B., Altinsoy, N., Demir, E., Erenturk, S., Buyuk, B., Haciyakupoglu, S., Karatepe, N., Baydogan, N.,Baytas, A .F., Elimination of methylene orange from aqueous media by using membrane, APMAS-2016,İstanbul, 1-3 June, 2016.

  Eksik, O., Aksakal, C., Yavuz, R., Karatepe, N.,Synthesis of Graphene-Metal Nanocomposite Anode Materials for Lithium Ion Batteries, Society for the Advancement of Material and Process Engineering, Long Beach CA-USA, 22-25 May, 2016.

  Çolak, F., Mohseni, A.T., Çolak, Ü., Karatepe, N., Fabrication of Single-Walled Carbon Nanotube Thin Films, 1st International Symposium “Functional Nanomaterials in Industrial Applications: Academic- Industry Meet” 29-31 March, Preston /İngiltere, 2016.

  Mohseni, A.T., Çolak, F., Dalkılıç, Z., Laki, M., Atlıbatur, R., Çolak, Ü.,Karatepe, N., Development Of Carbon Nanotube-Based Organic Solar Cells, 1st International Symposium “Functional Nanomaterials in Industrial Applications: Academic- Industry Meet” 29-31 March, Preston /İngiltere, 2016.

  Urper,O.,Karatepe, N. , Preparation of Transparent and Conductive Films of Carbon Nanotubes for Organic Solar Cells, 5th International Conference on Nanotechnology (ICN-2016), İstanbul, 1-2 September, 2016.

  Dalkılıç, Z., Karatepe, N., “Effect of Catalysts Distribution on Morphology of Vertically Aligned Carbon Nanotube Films“, The sixteenth International Conference on the Science and Application of Nanotubes, June 28-July 3, p.344, Nagoya, Japan ,2015.

  Çolak, F. Dalkılıç, Z., Tabatabai, A., Laki, M., Çolak, Ü., Arıcı, E.Ü., Karatepe, N., “Devolopment of MoOx-CNT Combinated Buffer Layer for Performance Improvement in Organic Solar Cells“, The sixteenth International Conference on the Science and Application of Nanotubes, June 28-July 3, p.240, Nagoya, Japan, 2015.

  Beton, I., Çolak, F., Yavuz, R., Karatepe, N., “CO2 Adsorption on Activated Carbon Prepared From Olive Stone by Chemical Activation”, International Energy Raw Materials and Energy Summit, 1-3 October 2015, İstanbul, Turkey.

  Laki, M., Tabatabai, A., Karatepe, N., Arıcı, E.Ü., „High Purity Single Walled Carbon Nanotubes As Transparent Electrode”, SolarTR-3 Third Turkish Solar Electricity Conference and Exhibition, April 27-29, 2015.

  Atlıbatur, R., Ordokhan, F., Çolak, F., Karatepe, N., Gürsel, Y. “Single Stage Separation of High-Purity Semiconducting Carbon NanotubesUsing Gel Chromatography”, 2nd International Conference on Nanoscience and Nanotechnolgy for Next Generation- Nanong 2015, 29-31 October, Antalya, 2015.

  Ürper, O., Karatepe, N., “Preparation of Transparent and Conductive Films of Carbon Nanotubes for Organic Solar Cells”, 2nd International Conference on Nanoscience and Nanotechnolgy for Next Generation- Nanong 2015, 29-31 October, Antalya, 2015.

  Bakalcı, H., Pampal, E., Eksik, O., Yavuz, R., Karatepe, N., “Preparation and Electrochemical Characterization of Silicon dioxide/Boron/Graphite Composite as Anode Materials for Lithium-Ion Batteries”, 2nd International Conference on Nanoscience and Nanotechnolgy for Next Generation- Nanong 2015, 29-31 October, Antalya, 2015.

  Eksik, O., Çokkanlı, B., Aksakal, C., Karatepe, N., Yavuz, R.,“Graphene-Metal Based Nanocomposite Anodes for Lithium-Ion Batteries”, 2nd International Conference on Nanoscience and Nanotechnolgy for Next Generation- Nanong 2015, 29-31 October, Antalya, 2015.

  A.B. Tuğrul, N. Altınsoy,E.Demir, S. Erentürk, N.Karatepe, S. Hacıyakupoğlu,B.Buyuk,N.Baydogan,F.Baytaş,Z.Er,“Investigation for removal of methylene-blue in aqueous environment by using different membranes”, Fifth Internatioanl Conference on Environmental Management, Engineering, planning and Economics (CEMEPE 2015) and SECOTOX Conference, 14-17 June, p.344-349, Mykeonos Island, Greece, 2015.

  Dundar-Tekkaya E., Karatepe, N., “The Effect of the Reaction Parameters on Carbon Nanotube Synthesis on Cobalt Catalyst”, 10th Nanoscience and Nanotechnology Conference, Istanbul, Turkey, June 17-21, 2014.

  Dundar-Tekkaya E., Karatepe, N., “Hydrogen Adsorption of Carbon Nanotubes Grown on Different Catalysts”, 13th International Conference on Clean Energy, Istanbul, Turkey, June 8-12, 2014.

  A.B. Tuğrul, N.Karatepe, S. Hacıyakupoğlu, S. Erentürk, N. Altınsoy,N. Baydogan,F.Baytaş,B.Buyuk, E.Demir,“Assessment of Radioiodineand Radioselenium Adsorptions on Activated Carbonin Aqueous Media”, ICEM-2014, Istanbul, 5-7 June, 2014.

  Yuri S. Nechaev,Varvara P. Filippova,Alp Yürüm,Nilgün Karatepe Yavuz, Yuda Yürüm, Nejat T. Veziroglu, “On the Physics of Intercalation of Hydrogen into Surface Graphane-Like Nanoblisters in Pyrolytic Graphite & Epitaxial Graphene”, XII International Conference on Nanostructured Materials (Nano 2014), 13-18 July, Moscow, 2014.

  Urper,O.,Karatepe, N. , Arıcı, E.Ü, “Carbon Nanotubes as Transparent Electrodes For Organic Solar Cells”, E-MRS 2014 Sprıng Meetıng, May 26-30,Lille, France, 2014.

  A. Beril Tugrul, Sevilay Haciyakupoglu, Sema Erenturk, Nilgun Karatepe,Filiz Baytas, Nilgun Baydogan, Nesrin Altinsoy, Bulent Buyuk, Esra Orucoglu, Ertugrul Demir, Zeyneb Camtakan, Muhittin Okka , “Investigation for Remediation of Selenium Aqueous Environment with Using Organic Pillared Bentonite by Radiotracer Technique”, APMAS-2014,Fethiye, 24-27 April, 2014.

  Z. Dalkılıç, N. Karatepe, “Synthesis of CNT Arrays with Antireflective and Self-cleaning Properties for Solar Cells”, Turkish-German Conference on Energy Technologies,METU, Ankara, 13-15 October, 2014.

  C. Koyunoğlu, A. Mahmut, N. Karatepe,” Biomethanation of coal and biomass”, Turkish-German Conference on Energy Technologies,METU, Ankara, 13-15 October, 2014.

  A.B. Tugrul, S. Erentürk, S. Haciyakupoğlu, N.Karatepe, N.Altinsoy, N.Baydoğan, F.Baytaş, B. Büyük, E.Demir, S. Gedik, Kinetic and Thermodynamic Behavior of Selenium on Modified Bentonite and Activated Carbon Using Radiotracer Technique, International Conference on Computational and Experimental Science and Engineering (ICCESEN 2014), 25 - 29 October 2014, Antalya-Turkey

  Baytas A.F., Tugrul A.B., Gokbulak F., Baydoğan N., Altinsoy N., Haciyakupoglu S., Karatepe N., Erenturk S., Buyuk B., Demir E., Camtakan Z., Investigation of Salt Diffusion in Soil by Using Radiotracing Technique, Defect and Diffusion Forum, 334-335, 274-278 (2013)

  Dundar-Tekkaya E., Karatepe, N., “Hydrogen storage in single wall carbon nanotubes produced on iron catalyst”, IUPAC, Istanbul, Turkey, August 11-16, 2013.

  Gümüş F., Dundar-Tekkaya E., Karatepe N.,”Synthesis of carbon nanotubes via different catalysts” Geographical and Geological Research of Ukraine and Adjacent Territories, Simferopol, Ukraine, April, 2-7 2013.

  Deniz C., Karatepe, N.,“ “Hydrogen and carbon nanotube production via catalytic decomposition of methane”, SPIE International Symposium on NanoScience+Engineering, San Dieo-California, USA, August 25-29, 2013.

  Karatepe, N. Gümüş, F., Yuca, N. “The role of H2 reduction in the growth of single walled carbon nanotube”, SPIE International Symposium on NanoScience+Engineering, San Dieo-California, USA, August 25-29, 2013.

  Gümüş, F., Karatepe, N., Yuca, N. Carbon nanotube synthesis with different support materials and catalysts”, SPIE International Symposium on NanoScience+Engineering, San Dieo-California, USA, August 25-29, 2013.

  Yuca, N., Camtakan, Z., Karatepe, N., “Different techniques for characterizing single-walled carbon nanotube purity SPIE International Symposium on NanoScience+Engineering, San Dieo-California, USA, August 25-29, 2013.

  Ürper, O. Karatepe, N. Arıcı, E. “Carbon Nanotubes as Transparent Electrodes”, The Internatıonal Conference on Solar Energy for World Peace, August 17-19, 2013.

  PhD Students at the Laborator

• Selin ÖZEN
• Pelin ATİLLA
• Anıl ÜNSAÇ
• Zeynep DALKILIÇ
• Amin TABATABAEİ MOHSENİ

Laboratory Staff