Topic Tags:  [A] Membrane Technologies (×7) current focus | [B] Antibacterial/Biomedical Materials (×8), main expertise |
[C] Carbons for Energy Storage (×10) as collaborator | [D] Carbon/Metal-based Catalysts (×10), as collaborator |
[E] Fabrication/Characterization of Particles/Colloids/Films (×7), main expertise

42A) E. Yang, H.E. Karahan, K. Goh, C.Y. Chuah, R. Wang, & T.-H. Bae* (2019). Scalable fabrication of graphene-based laminate membranes for liquid and gas separations by crosslinking-induced gelation and doctor-blade casting. Carbon, 155, 129.

41E) Y. Yang, K. Goh, C.Y. Chuah, H.E. Karahan, Ö. Birer, & T.-H. Bae* (2019) (2019). Sub-Ångström-level engineering of ultramicroporous carbons for enhanced sulfur hexafluoride capture. Carbon, 155, 56

40C) S. Zhai, H.E. Karahan, C. Wang, Z. Pei, L. Wei, & Y. Chen* (2019). 1D supercapacitors for emerging electronics: Current status and future directions. Advanced Materials, DOI: 10.1002/adma.201902387.

39A) G.S.M.D.P. Sethunga, H.E. Karahan, R. Wang, & T.-H. Bae* (2019). PDMS-coated porous PVDF hollow fiber membranes for efficient recovery of dissolved biomethane from anaerobic effluents. Journal of Membrane Science, 584, 333.

38D) C.K. Ng, H.E. Karahan, S.C. Loo, Y. Chen, & B. Cao* (2019). Biofilm-templated heteroatom-doped carbon-palladium nanocomposite catalyst for hexavalent chromium reduction. ACS Applied Materials & Interfaces, 11, 24018.

37C) K. Goh,* H.E. Karahan, E. Yang, & T.-H. Bae (2019). Graphene-based membranes for CO2/CH4 separation. Applied Sciences, 9, 2784.

36B) L. Wang,* Z. Yuan, H.E. Karahan, Y. Wang, X. Sui, F. Liu, & Y. Chen* (2019). Nanocarbon materials in water disinfection: State-of-the-art and future directions. Nanoscale, 11, 9819.

35C) S. Zhai, L. Wei, H.E. Karahan, X. Chen, C. Wang, X. Zhang, J. Chen, X. Wang, & Y. Chen* (2019). 2D materials for 1D electrochemical energy storage devices. Energy Storage Materials, 19, 102.

34D) Z. Zhou, Z. Yuan, S. Li, H. Li, J. Chen, Y. Wang, Q. Huang, C. Wang, H.E. Karahan, G. Henkelman, X. Liao, L. Wei,* & Y. Chen* (2019). Big to small: Ultrafine Mo2C particles derived from giant polyoxomolybdate clusters for hydrogen evolution reaction. Small, 15, 1900358.

33B) L. Wang,* J. He, L. Zhu, Y. Wang, X. Feng, B. Chang, H.E. Karahan,* & Y. Chen* (2019). Assembly of pi-functionalized quaternary ammonium compounds with graphene hydrogel for efficient water disinfection. Journal of Colloid and Interface Science, 535, 149.

32D) X. Chen, Z. Yu, L. Wei, Z. Zhou, S. Zhai, J. Chen, Y. Wang, Q. Huang, H.E. Karahan, X. Liao, & Y. Chen* (2019). Ultrathin nickel boride nanosheets anchored on carbon nanotubes as highly active bifunctional electrocatalysts for overall water splitting. Journal of Materials Chemistry A, 7, 764.

31A) W. Rongwong, J. Lee, K. Goh, H.E. Karahan, & T.-H. Bae* (2018).        Membrane-based technologies for post-treatment of anaerobic effluents. npj Clean Water, 1, 21.

30D) X. Chen, Z. Zhou, H.E. Karahan, Q. Shao, L. Wei,* & Y. Chen* (2018). Recent advances in materials and design of electrochemically rechargeable zinc-air batteries. Small, 14, 1801929.

29A) C.Y. Chuah, K. Goh, Y. Yang, H. Gong, W. Li, H.E. Karahan, M.D. Guiver, R. Wang, & T.-H. Bae* (2018). Harnessing filler materials for enhancing biogas separation membranes. Chemical Reviews, 118, 8655.

28C) S. Zhai, C. Wang, H.E. Karahan, Y. Wang, X. Chen, X. Sui, Q. Huang, X. Liao, X. Wang, & Y. Chen* (2018). Nano-RuO2-decorated holey graphene composite fibers for micro-supercapacitors with ultrahigh energy density. Small, 14, 1800582.

27B) H.E. Karahan,* C. Wiraja, C. Xu, J. Wei,* Y. Wang, L. Wang, F. Liu, & Y. Chen* (2018). Graphene materials in antimicrobial nanomedicine: Current status and future perspectives. Advanced Healthcare Materials, 7, 1701406. | Invited Review; Featured by Advanced Science News (Most-Read Paper); Materials Views China; Journal Cover

26B) H. Chen, J. He, Y. Guo, L. Wang,* L. Zhu, H.E. Karahan, & Y. Chen (2018). Polycondensation of a perylene bisimide derivative and L-malic acid as water-soluble conjugates for fluorescent labeling of live mammalian cells. Polymers, 10, 559.

25C) S. Zhai, L. Wei, H.E. Karahan, Y. Wang, C. Wang, A. Montoya, Q. Shao, X. Wang, & Y. Chen* (2018). Ultrafast hydrothermal assembly of nanocarbon microfibers in near-critical water for 3D microsupercapacitors. Carbon, 132, 698.

24B) H.E. Karahan, Y. Wang, L. Wei, L. Wang, X. Sui, M.A. Riaz, & Y. Chen* (2018). Antimicrobial graphene materials: the interplay of complex material characteristics and competing mechanisms. Biomaterials Science, 6, 766.

23E) H. Wang,* L. Yang, X. Sui, H.E. Karahan, X. Wang, & Y. Chen* (2018). Selective synthesis of single walled carbon nanotubes on metal (iron, nickel or cobalt) sulfate-based catalysts. Carbon, 129, 128. 

22D) Y. Lei, L. Wei,* S. Zhai, Y. Wang, H.E. Karahan, X. Chen, Z. Zhou, C. Wang, X. Sui, & Y. Chen* (2018). Metal-free bifunctional carbon electrocatalysts derived from zeolitic imidazolate framework for efficient water splitting. Materials Chemistry Frontiers, 2, 102.

21D) L. Wei, H.E. Karahan, S. Zhai, H. Liu, X. Chen, Z. Zhou, Y. Lei, Z. Liu, & Y. Chen* (2017). Amorphous bimetallic oxide‐graphene hybrids as bifunctional oxygen electrocatalysts for rechargeable Zn‐air battery. Advanced Materials, 29, 1701410.

20D) Z. Zhou, L. Wei,* Y. Wang, H.E. Karahan, Y. Lei, X. Chen, S. Zhai, & Y. Chen* (2017). Hydrogen evolution reaction activity of nickel phosphide is highly sensitive to electrolyte pH. Journal of Materials Chemistry A, 5, 20390.

19C) S. Zhai, H.E. Karahan, L. Wei, X. Chen, Z. Zhou, X. Wang, & Y. Chen* (2017). Hydrothermal assembly of micro-nano-integrated core-sheath carbon fibers for high-performance all-carbon micro-supercapacitors. Energy Storage Materials, 9, 221.

18B) K. Xu, L. Li, M. Cui, Y. Han, H.E. Karahan, V. Chow, & C. Xu* (2017). Cold chain‐free storable hydrogel for infant‐friendly oral delivery of amoxicillin for the treatment of pneumococcal pneumonia. ACS Applied Materials & Interfaces, 9, 18440.

17D) L. Wei, K. Goh, Ö. Birer, H.E. Karahan, J. Chang, S. Zhai, X. Chen, & Y. Chen* (2017). A hierarchically porous nickel-copper phosphide nano-foam for efficient electrochemical splitting of water. Nanoscale, 9, 4401. | Journal Cover

16A) K. Goh, H.E. Karahan, L. Wei, T.-H. Bae, A.G. Fane, R. Wang,* & Y. Chen* (2016). Carbon nanomaterials for advancing separation membranes: A strategic perspective. Carbon, 109, 694. | Journal Cover

15E) Y. Yuan, H.E. Karahan, C. Yıldırım, L. Wei, Ö. Birer, S. Zhai, R. Lau, & Y. Chen* (2016). “Smart poisoning” of Co/SiO2 catalysts by sulfidation for chirality-selective synthesis of (9,8) single-walled carbon nanotubes. Nanoscale, 8, 17705

14B) H.E. Karahan, L. Wei, K. Goh, Z. Liu, Ö. Birer, F. Dehghani, C. Xu, J. Wei,* & Y. Chen* (2016). Bacterial physiology is a key modulator of the antibacterial activity of graphene oxide. Nanoscale, 8, 17181.

13E) H.E. Karahan, Ö. Birer,* K. Karakuş, & C. Yıldırım (2016). Shadow-casted ultrathin surface coatings of titanium and titanium/silicon oxide sol particles via ultrasound-assisted deposition. Ultrasonics Sonochemistry, 31, 481.

12C) S. Zhai, H.E. Karahan, L. Wei, Q. Qian, A.T. Harris, A.I. Minett, S. Ramakrishna, A.K. Ng, & Y. Chen* (2016). Textile energy storage: Structural design concepts, material selection and future perspectives. Energy Storage Materials, 3, 123.

11A)  K. Goh, J.K. Heising, Y. Yuan, H.E. Karahan, L. Wei, S. Zhai, J.-X. Koh, N.M. Htin, F. Zhang, R. Wang, A.G. Fane, M. Dekker, F. Dehghani, & Y. Chen* (2016). Sandwich-architectured poly(lactic acid)−graphene composite food packaging films. ACS Applied Materials & Interfaces, 8, 9994.

10C) L. Wei, H.E. Karahan, S. Zhai, Y. Yuan, Q. Qian, K. Goh, A.K. Ng, & Y. Chen* (2016). Microbe-derived carbon materials for electrical energy storage and conversion. Journal of Energy Chemistry, 25, 191. | Best Paper

9B)   H.E. Karahan, L. Wei, K. Goh, C. Wiraja, Z. Liu, C. Xu, R. Jiang, J. Wei,* & Y. Chen* (2016). Synergism of water shock and a biocompatible block copolymer potentiates the antibacterial activity of graphene oxide. Small, 12, 951. | Featured in Materials Views China, & Global Medical Discovery

8C)   W. Jiang, S. Zhai, Q. Qian, Y. Yuan, H.E. Karahan, L. Wei, K. Goh, A.K. Ng, J. Wei, & Y. Chen* (2016). Space-confined assembly of all-carbon hybrid fibers for capacitive energy storage: Realizing built-to-order concept for micro-supercapacitors. Energy & Environmental Science, 9, 611.

7A)   K. Goh, W. Jiang, H.E. Karahan, S. Zhai, L. Wei, D. Yu, A.G. Fane, R. Wang,* & Y. Chen* (2016). All-carbon nano-architectures as high-performance nanofiltration membranes with superior stability. Advanced Functional Materials, 25, 7348.

6C)   S. Zhai, W. Jiang, L. Wei, H.E. Karahan, Y. Yuan, A.K. Ng, & Y. Chen* (2015). All-carbon solid-state yarn supercapacitors from activated carbon and carbon fibers for smart textiles. Materials Horizons, 2, 598.

5D)   L. Wei, D. Yu, H.E. Karahan, Ö. Birer, K. Goh, Y. Yuan, W. Jiang, & Y. Chen* (2015). E. coli-derived carbon with nitrogen and phosphorus dual functionalities for oxygen reduction reaction. Catalysis Today, 249, 228.

4E)   H.E. Karahan, K. Karakuş, & Ö. Birer* (2015). Simultaneous DLS–SLS study of titanium and titanium/silicon oxide sol growth. Journal of Sol-Gel Science and Technology, 76, 251.

3D)   L. Wei, H.E. Karahan, K. Goh, W. Jiang, D. Yu, Ö. Birer, & Y. Chen* (2015). A high-performance metal-free electrocatalyst for hydrogen evolution reaction from bacteria derived carbon. Journal of Materials Chemistry A, 3, 7210.

2E)   H.E. Karahan,* L. Eyüboğlu, D. Kıyılar, & A.L. Demirel* (2014). pH-stability and pH-annealing of H-bonded multilayer films prepared by layer-by-layer spin-assembly. European Polymer Journal, 56, 159.

1E)   I. Erel,* H.E. Karahan, C. Tuncer, V. Bütün, & A.L. Demirel* (2012). Hydrogen-bonded multilayers of micelles of a dually responsive dicationic block copolymer. Soft Matter, 8, 827.

* Articles published in SCI-indexed journals in a reverse chronological order (based on the Web of Science listing).


1)   H.E. Karahan,* T.-H. Bae, C. Xu, J. Wei, & Y. Chen (2018-July). Factors influencing the antibacterial activity of graphene oxide beyond materials physicochemistry. Oral Talk (H.E.K.), Brian Kelly Award Talk (H.E.K.) & Extended Abstract in World Conf. on Carbon (CARBON 2018), Madrid, Spain.

2)   H.E. Karahan,* C. Wiraja, N.F. Binte Nasrun, S.H.J. Toh, M.H. Goh, L. Wei, C. Xu, J. Wei, & Y. Chen* (2017-July). Antibacterial performance of graphene oxide complemented with Pluronic F-127 on physiologically mature Gram-negative bacteria. Proceeding Article (DOI: 10.1109/NANO.2017.8117478) and Oral Talk (H.E.K.) in 17th IEEE Int’l. Conf. on Nanotechnology (IEEE NANO 2017), Pittsburgh, U.S.A.

* 2 of over 15 items


1) H.E. Karahan (2018).  Understanding and Unlocking the Potential of Graphene Oxide Nanosheets as Antibacterial Agents. PhD Dissertation, Bioeng. Dept. of NTU. Advisors: Dr WEI Jun (SIMTech), Asst Prof XU Chenjie (NTU), and Prof CHEN Yuan (USyd).

2) H.E. Karahan (2012). Layer-by-Layer Spin-Assembly of Carbon Nanotube Incorporated H-Bonded Multilayer Films. MSc Thesis, Materials Sci. and Eng. Program of KU. Advisor: Prof A. Levent DEMİREL.

3) H.E. Karahan (2009).  [Investigation of Coriolopsis polyzona Lcc2 Laccase Gene]. Capstone Thesis, Molecular Biology and Genetics Dept. of ITU. Advisor: Prof Candan TAMERLER.

4) H.E. Karahan (2008).  [Preparation of Wound Closure Materials Using the Blends of Polyurethane and Chitosan]. Capstone Thesis, Chemical Eng. Dept. of ITU. Advisors: Prof Ş. Birgül TANTEKİN, and Prof F. Seniha GÜNER.