Single atomic iron catalysts for oxygen reduction in acidic media: particle size control and thermal activation H Zhang, S Hwang, M Wang, Z Feng, S Karakalos, L Luo, Z Qiao, X Xie, ... Journal of the American Chemical Society 139 (40), 14143-14149, 2017 | 1346 | 2017 |
Atomically dispersed manganese catalysts for oxygen reduction in proton-exchange membrane fuel cells J Li, M Chen, DA Cullen, S Hwang, M Wang, B Li, K Liu, S Karakalos, ... Nature Catalysis 1 (12), 935-945, 2018 | 1175 | 2018 |
Highly active atomically dispersed CoN 4 fuel cell cathode catalysts derived from surfactant-assisted MOFs: carbon-shell confinement strategy Y He, S Hwang, DA Cullen, MA Uddin, L Langhorst, B Li, S Karakalos, ... Energy & Environmental Science 12 (1), 250-260, 2019 | 716 | 2019 |
Metal-organic framework-derived nitrogen-doped highly disordered carbon for electrochemical ammonia synthesis using N2 and H2O in alkaline electrolytes S Mukherjee, DA Cullen, S Karakalos, K Liu, H Zhang, S Zhao, H Xu, ... Nano Energy 48, 217-226, 2018 | 431 | 2018 |
Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction J Li, H Zhang, W Samarakoon, W Shan, DA Cullen, S Karakalos, M Chen, ... Angewandte Chemie International Edition 58 (52), 18971-18980, 2019 | 429 | 2019 |
Ordered Pt3Co Intermetallic Nanoparticles Derived from Metal–Organic Frameworks for Oxygen Reduction XX Wang, S Hwang, YT Pan, K Chen, Y He, S Karakalos, H Zhang, ... Nano letters 18 (7), 4163-4171, 2018 | 344 | 2018 |
Single cobalt sites dispersed in hierarchically porous nanofiber networks for durable and high‐power PGM‐free cathodes in fuel cells Y He, H Guo, S Hwang, X Yang, Z He, J Braaten, S Karakalos, W Shan, ... Advanced Materials 32 (46), 2003577, 2020 | 304 | 2020 |
3D porous graphitic nanocarbon for enhancing the performance and durability of Pt catalysts: a balance between graphitization and hierarchical porosity Z Qiao, S Hwang, X Li, C Wang, W Samarakoon, S Karakalos, D Li, ... Energy & Environmental Science 12 (9), 2830-2841, 2019 | 255 | 2019 |
Surface refinement and electronic properties of graphene layers grown on copper substrate: an XPS, UPS and EELS study A Siokou, F Ravani, S Karakalos, O Frank, M Kalbac, C Galiotis Applied Surface Science 257 (23), 9785-9790, 2011 | 231 | 2011 |
Atomically dispersed single iron sites for promoting Pt and Pt 3 Co fuel cell catalysts: performance and durability improvements Z Qiao, C Wang, C Li, Y Zeng, S Hwang, B Li, S Karakalos, J Park, ... Energy & Environmental Science 14 (9), 4948-4960, 2021 | 195 | 2021 |
Morphology Control of Carbon-Free Spinel NiCo2O4 Catalysts for Enhanced Bifunctional Oxygen Reduction and Evolution in Alkaline Media SV Devaguptapu, S Hwang, S Karakalos, S Zhao, S Gupta, D Su, H Xu, ... ACS applied materials & interfaces 9 (51), 44567-44578, 2017 | 183 | 2017 |
Atomically Dispersed Single Ni Site Catalysts for Nitrogen Reduction toward Electrochemical Ammonia Synthesis Using N2 and H2O S Mukherjee, X Yang, W Shan, W Samarakoon, S Karakalos, DA Cullen, ... Small Methods 4 (6), 1900821, 2020 | 163 | 2020 |
Engineering Atomically Dispersed FeN4 Active Sites for CO2 Electroreduction N Mohd Adli, W Shan, S Hwang, W Samarakoon, S Karakalos, Y Li, ... Angewandte Chemie International Edition 60 (2), 1022-1032, 2021 | 154 | 2021 |
Quaternary FeCoNiMn-based nanocarbon electrocatalysts for bifunctional oxygen reduction and evolution: promotional role of Mn doping in stabilizing carbon S Gupta, S Zhao, XX Wang, S Hwang, S Karakalos, SV Devaguptapu, ... Acs Catalysis 7 (12), 8386-8393, 2017 | 145 | 2017 |
Dynamically Unveiling Metal–Nitrogen Coordination during Thermal Activation to Design High‐Efficient Atomically Dispersed CoN4 Active Sites Y He, Q Shi, W Shan, X Li, AJ Kropf, EC Wegener, J Wright, S Karakalos, ... Angewandte Chemie 133 (17), 9602-9612, 2021 | 144 | 2021 |
Atomically Dispersed MnN4 Catalysts via Environmentally Benign Aqueous Synthesis for Oxygen Reduction: Mechanistic Understanding of Activity and Stability … M Chen, X Li, F Yang, B Li, T Stracensky, S Karakalos, S Mukerjee, Q Jia, ... ACS Catalysis 10 (18), 10523-10534, 2020 | 143 | 2020 |
Promoting Atomically Dispersed MnN4 Sites via Sulfur Doping for Oxygen Reduction: Unveiling Intrinsic Activity and Degradation in Fuel Cells L Guo, S Hwang, B Li, F Yang, M Wang, M Chen, X Yang, SG Karakalos, ... ACS nano 15 (4), 6886-6899, 2021 | 136 | 2021 |
Atomically Dispersed Dual‐Metal Site Catalysts for Enhanced CO2 Reduction: Mechanistic Insight into Active Site Structures Y Li, W Shan, MJ Zachman, M Wang, S Hwang, H Tabassum, J Yang, ... Angewandte Chemie 134 (28), e202205632, 2022 | 124 | 2022 |
3D polymer hydrogel for high-performance atomic iron-rich catalysts for oxygen reduction in acidic media Z Qiao, H Zhang, S Karakalos, S Hwang, J Xue, M Chen, D Su, G Wu Applied Catalysis B: Environmental 219, 629-639, 2017 | 122 | 2017 |
Metal–organic framework@ silica as a stationary phase sorbent for rapid and cost-effective removal of hexavalent chromium WA El-Mehalmey, AH Ibrahim, AA Abugable, MH Hassan, RR Haikal, ... Journal of Materials Chemistry A 6 (6), 2742-2751, 2018 | 119 | 2018 |