• TÜRKÇE

PEER-REVIEWED PUBLICATIONS

42. H. D. Çilingir Doğan, S. Alkan Gürsel, ‘Preparation and characterization of novel composites based on radiation grafted membranes for polymer electrolyte membrane fuel cells’ Fuel Cells (submitted)

41. B. Saner, S. Alkan Gürsel, Y. Yürüm ‘Synthesis and characterization of polypyrrole/graphene nanosheet composites as the potential catalyst support materials for fuel cells’ Energy Environ. Sci. (submitted)

40. L. Işıkel Şanlı, S. Alkan Gürsel, ‘Synthesis and Characterization of Novel Graft Copolymers by Radiation Induced Grafting’ J. App. Polym. Sci. (accepted)

39. H. Ben youcef, S. Alkan Gürsel, A. Buisson, L. Gubler, A. Wokaun, G. G. Scherer ‘Influence of radiation-induced grafting process on mechanical properties of ETFE-based membranes for fuel cells’ Fuel Cells 10(3), 401 (2010)[ doi:10.1002/fuce.200900200 ]

38. H. Ben youcef, L. Gubler, S. Alkan Gürsel, Dirk Henkensmeier, A. Wokaun, G. G. Scherer ‘Novel ETFE based radiation grafted poly(styrene sulfonic acid-co-methacrylonitrile) proton conducting membranes with increased stability’ Electrochem. Comm. 11, 941 (2009)
[ doi:10.1016/j.elecom.2009.02.047]

37. L. Gubler, H. Ben youcef, T. Yamaki, S. Sawada, S. Alkan Gürsel, A. Wokaun, G. G. Scherer ‘Cross-linker effect in ETFE-based radiation-grafted proton-conducting membranes, II. Extended fuel cell operation and degradation analysis’ J. Electrochem. Soc. 156(4), B532 (2009)
[ doi:10.1149/1.3082109]

36. P. Farquet, C. Padeste, M. Börner, H. Ben youcef, S. Alkan Gürsel, G. G. Scherer, H. H. Solak, V. Saile A Wokaun ‘Microstructured proton-conducting membranes by synchrotron-radiation-induced grafting’ J. Memb. Sci. 325(2), 658 (2008)
[ doi:10.1016/j.memsci.2008.08.040 ]

35. P. Farquet, C. Padeste, H. H. Solak, S. Alkan Gürsel, G. G. Scherer, A. Wokaun ‘Extreme UV radiation grafting of glycidyl methacrylate nanostructures onto fluoropolymer foils by RAFT-mediated polymerization’ Macromolecules 41, 6309 (2008)
[ doi:10.1021%2Fma800202b ]

34. K. Mortensen, U. Gasser, S. Alkan Gürsel, G. G. Scherer ‘Structural characterization of radiation-grafted block copolymer films using SANS technique’ J. Polym. Sci. Part B: Polym. Phys. 46, 1660 (2008)
[ doi:10.1002/polb.21502 ]

33. L. Gubler, H. Ben youcef, S. Alkan Gürsel, A. Wokaun, G. G. Scherer ‘Cross-linker effect in ETFE-based radiation-grafted proton-conducting membranes, I. Properties and fuel cell performance characteristics’ J. Electrochem. Soc. 155(9), B921 (2008)
[ doi:10.1149/1.2951919 ]

32. S. Alkan Gürsel, J. Schneider, H. Ben youcef, A. Wokaun, G. G. Scherer ‘Thermal properties of proton-conducting radiation-grafted membranes’ J. App. Polym. Sci. 108(6), 3577 (2008)
[ doi:10.1002/app.27947 ]

31. H. Ben youcef, S. Alkan Gürsel, A. Wokaun, G. G. Scherer, ‘The influence of crosslinker on the properties of radiation-grafted films and membranes based on ETFE’ J. Memb. Sci. 311(1-2), 208 (2008)
[ doi:10.1016/j.memsci.2007.12.015 ]

30. S. Alkan Gürsel, H. Ben youcef, A. Wokaun, G. G. Scherer ‘Influence of reaction parameters on grafting of styrene into poly(ethylene-alt-tetrafluoroethylene) films’ Nucl. Instr. and Meth. in Phys. Res. B 265(1), 198 (2007)
[ doi:10.1016/j.nimb.2007.08.050 ]

29. P. Farquet, C. Padeste, H. H. Solak, S. Alkan Gürsel, G. G. Scherer, A. Wokaun ‘EUV lithographic radiation grafting of thermo-responsive hydrogel nanostructures’ Nucl. Instr. and Meth. in Phys. Res. B 265(1), 187 (2007)
[ doi:10.1016/j.nimb.2007.08.070 ]

28. P. Farquet, A. Kunze, C. Padeste, H. H. Solak, S. Alkan Gürsel, G. G. Scherer, A. Wokaun ‘Influence of solvent viscosity on surface graft-polymerizations’ Polymer 48(17), 4936 (2007)
[ doi:10.1016/j.polymer.2007.06.052 ]

27. S. Alkan Gürsel, Z. Yang, B. Choudhury, M. Roelofs, G. G. Scherer ‘Radiation grafted membranes using a trifluorostyrene derivative’ J. Electrochem. Soc. 153(10), A1964 (2006)
[ doi:10.1149/1.2335626 ]

26. L. Gubler, N. Prost, S. Alkan Gürsel, G. G. Scherer ‘Proton exchange membranes prepared by radiation grafting of styrene/divinylbenzene onto poly(ethylene-alt-tetrafluoroethylene) for low temperature fuel cells’ Solid State Ionics 176, 2849 (2005)
[ doi:10.1016/j.ssi.2005.09.045 ]

25. L. Gubler, S. Alkan Gürsel, G. G. Scherer ‘Radiation grafted membranes for polymer electrolyte fuel cells’ Review Article, Fuel Cells 5(3), 317 (2005)
[ doi:10.1002/fuce.200400078 ]

24. S. Alkan Gürsel, C. Padeste, H. H. Solak, G. G. Scherer ‘Microstructured polymer films by X-ray lithographic exposure and grafting’ Nucl. Instr. and Meth. in Phys. Res. B 236, 449 (2005)
[ doi:10.1016/j.nimb.2005.04.018 ]

23. L. Gubler, N. Beck, S. Alkan Gürsel, F. Hajbolouri, D. Kramer, A. Reiner, B. Steiger, G. G. Scherer, A. Wokaun, B. Rajesh, K R. Thampi ‘Materials for polymer electrolyte fuel cells’ Chimia 58, 826 (2004)
[ doi:10.2533/000942904777677128 ]

22. C. Padeste, H. H. Solak, H. P. Brack, M. Slaski, S. Alkan Gürsel, G. G. Scherer ‘Patterned grafting of polymer brushes onto flexible polymer substrates’ J. Vac. Sci. Technol. B 22(6), 3191 (2004)
[ doi:10.1116/1.1805542 ]

21. H. P. Brack, M. Slaski, L. Gubler, G. G. Scherer, S. Alkan, A. Wokaun ‘Characterization of fuel cell membranes as a function of drying by means of contact angle measurements’ Fuel Cells 4(3), 1 (2004)
[ doi:10.1002/fuce.200400018 ]

20. H. P. Brack, D. Ruegg, H. Bührer, M. Slaski, S. Alkan, G. G. Scherer ‘Differential scanning calorimetry and thermogravimetric analysis investigation of the thermal properties and degradation of some radiation-grafted films and membranes’ J. Polym. Sci. Part B: Polym. Phys. 42(13), 2612 (2004)
[ doi:10.1002/polb.20137 ]

19. H. P. Brack, C. Padeste, M. Slaski, S. Alkan, H. H. Solak ‘Preparation of micro- and nanopatterns of polymer chains grafted onto flexible polymer substrates’ J. Am. Chem. Soc. 126, 1004 (2004)
[ doi:10.1021/ja0379870 ]

18. U. Bulut, S. Alkan, F. Yilmaz, Y. Yağcı, L. Toppare ‘Synthesis, characterization, and electrochromic properties of conducting copolymers of 2-[(3-thienylcarbonyl)oxy]ethyl 3-thiophene carboxylate with thiophene and pyrrole’ J. Macromol. Sci. Pure App. Chem. A41(8), 937 (2004)
[ doi:10.1081/MA-120039180 ]

17. S. Işık, S. Alkan, L. Toppare, I. Cianga, Y. Yağcı ‘Immobilization of invertase and glucose oxidase in poly 2-methylbutyl-2-(3-thienyl) acetate/polypyrrole matrices’ Eur. Polym. J. 39, 2373 (2003)
[ doi:10.1016/S0014-3057(03)00184-8 ]

16. A. Gürsel, S. Alkan, L. Toppare, Y. Yağcı ‘Immobilization of invertase and glucose oxidase in conducting H-type polysiloxane/polypyrrole block copolymers’ React. Func. Polym. 57, 57 (2003)
[ doi:10.1016/j.reactfunctpolym.2003.07.004 ]

15. A. Çırpan, S. Alkan, L. Toppare, I. Cianga, Y. Yağcı ‘Immobilization of cholesterol oxidase in conducting copolymer of thiophene-3-yl acetic acid cholesteryl ester with pyrrole’ Des. Monomers Polym. 6(3), 237 (2003)
[ doi:10.1163/156855503768336252 ]

14. S. Alkan, C. A. Cutler, J. R. Reynolds, ‘High quality electrochromic polythiophenes via BF3.Et2O electropolymerization’ Adv. Funct. Mater. 13(4), 331 (2003)
[ doi:10.1002/adfm.200304307 ]

13. S. Kıralp, S. Alkan, L. Toppare, I. Cianga, Y. Yağcı ‘Synthesis and characterization of conducting copolymers of menthyl ester of 3-thiophene acetic acid with pyrrole’ J. Macromol. Sci. Pure App. Chem. 40(3), 251 (2003)
[ doi:10.1081/MA-120018113]

12. A. Çırpan, S. Alkan, L. Toppare, Y. Hepuzer, Y. Yağcı, ‘Immobilization of invertase in conducting copolymers of 3-methylthienyl methacrylate’ Bioelectrochemistry 59(1-2), 29 (2003)
[ doi:10.1016/S1567-5394(02)00186-X ]

11. A. Çırpan, S. Alkan, L. Toppare, Y. Hepuzer, Y. Yağcı ‘Conducting graft copolymers of (3-methyl thienyl methacrylate) with pyrrole and thiophene’ J. Polym. Sci. Part A: Polym. Chem. 40(23), 4131 (2002)
[ doi:10.1002/pola.10511 ]

10. A. Çırpan, S. Alkan, L. Toppare, I. Cianga, Y. Yağcı ‘Synthesis and characterization of conducting copolymers of thiophene-3-yl acetic acid cholesteryl ester with pyrrole’ J. Mater. Sci. 37(9), 1767 (2002)
[ doi:10.1023/A:1014925218487 ]

9. Z. Balcı, U. Akbulut, L. Toppare, S. Alkan, U. Bakır, Y. Yağcı ‘Immobilization of yeast cells in several conducting polymer matrices’ J. Macromol. Sci. Pure App. Chem. 39(3), 183 (2002)
[ doi:10.1081/MA-120013259 ]

8. S. Tirkeş, L. Toppare, S. Alkan, U. Bakır, A. Önen, Y. Yağcı ‘Immobilization of glucose oxidase in polypyrrole / polytetrahydrofuran graft copolymers’ Int. J. Biol. Macromol. 30(2), 81 (2002)
[ doi:10.1016/S0141-8130(02)00011-9 ]

7. A. Çırpan, S. Alkan, L. Toppare, Y. Yağcı ‘Synthesis and electroactivity of pyrrole end-functionalized poly (2-methyl-2-oxazoline)’ Eur. Polym. J. 37, 2225 (2001)
[ doi:10.1016/S0014-3057(01)00103-3 ]

6. S. Alkan, L. Toppare, U. Bakır, Y. Yağcı ‘Immobilization of urease in conducting thiophene-capped poly (methyl methacrylate)/ pyrrole matrices’ Synth. Met. 123, 95 (2001)
[ doi:10.1016/S0379-6779(00)00580-4 ]

5. S. Alkan, L. Toppare, Y. Hepuzer, Y. Yağcı ‘Synthesis and characterization of conducting block copolymers of thiophene-ended polystyrene with polypyrrole’ Synth. Met. 119, 133 (2001)
[ doi:10.1016/S0379-6779(00)01402-8 ]

4. R. Erginer, L. Toppare, S. Alkan, U. Bakır ‘Immobilization of invertase in functionalized copolymer matrices’ React. Funct. Polym. 45, 227 (2000)
[ doi:10.1016/S1381-5148(00)00036-5 ]

3. S. Alkan, L. Toppare, Y. Hepuzer, Y. Yağcı ‘Immobilization of invertase in conducting thiophene-capped poly(methyl methacrylate)/polypyrrole matrices’ J. Biomater. Sci. Polym. Ed. 10, 1223 (1999)
[ doi:10.1163/156856299X00036 ]

2. S. Alkan, L. Toppare, Y. Hepuzer, Y. Yağcı ‘Block copolymers of thiophene-capped poly(methyl methacrylate) with pyrrole’ J. Polym. Sci. Part A: Polym. Chem. 37, 4218 (1999)
[ doi:10.1002/(SICI)1099-0518(19991115)37:22<4218::AID-POLA22>3.0.CO;2-Z ]

1. N. K. Aras, G. Yılmaz, S. Alkan, F. Korkusuz ‘Trace elements in human bone determined by neutron activation analysis’ J. Radioanal. Nucl. Chem. 239(1), 79 (1999)
[ doi:10.1007/BF02349535 ]