Research Contributions
After Joining Indiana University Bloomington
Google Scholar
32. Biswas, B; Bortey, K.; Cox-Vázquez, S.J.; Samanta, B.; Shakir, B.; Tran, C.; Vo, C.T.; Georgescu, A.B.; Lisouskaya, A.; Vázquez, R.J.* "A Conjugated Oligoelectrolyte Exhibiting Room Temperature Spin-Correlated Radical Pair Character for Biological Sensing" J. Am. Chem. Soc., 2005, doi.org/10.1021/jacs.5c10750
31. Nikolaev, K.G.; Wu, J.; Leng, X.; Vázquez, R.J.; McCuskey, S.R.; Bazan, G.C.; Novoselov, K.S.; Andreeva, D.V. “A Single-Material Strategy: Graphene Sponge Bioanode and Cathode for Shewanella Oneidensis MR-1 Microbial Fuel Cells”. RSC Sustainability, 2025, 3, 5326 - 5332
30. Medrano, O.; Zhou, Q.; Shakir, B.; Narváez-Lozano, G.A.; Hickey, E.; Bayro, M.J.; Bloch, E.D.; Vázquez, R.J.* “Porous and Self-Doped Conjugated Polyelectrolytes Exhibiting Open-Shell Character and Dual Ion-Electron Conduction”. Chem. Mater. 2025, 37, 16, 6282-6292 - Special Issue: The Chemistry of Emergent 2D Materials
29. Chang, Y.C.; Martín, M.; Bortey, K.; Lefebvre, Q.; Fessard, T.; Salome, C.; Vázquez, R.J.*; Brown, K.* “Catalyst Controlled Regiodivergent Synthesis of Bicyclo[2.1.1]hexanes via Photochemical Strain-Release Cycloadditions“. J. Am. Chem. Soc. 2025, 147, 18, 14936-14944
28. Aizawa, N.; Vázquez, R.J.* “Thermally Activated Delayed Fluorescence (TADF) Active Systems: Mechanism, Applications, and Future Directions“. J. Phys. Chem. C. 2025, 29, 7, 3359-3360 - Virtual Special Issue (VSI) Preface
27. Young, T.W.; Cox-Vázquez, S.J.; Call, E. D.; Shah, D.C.; Jacobson, S.C.; Vázquez, R.J.* "Resistive-Pulsed Sensing Coupled with Fluorescence Lifetime Imaging Microscopy for Differentiation of Individual Liposomes" ACS Nano, 2025, 19, 2, 2162 - 2170
26. Cox-Vázquez, S.J.; Shakir, B.; Medrano, O.; Shah, D.; Bortey, K.; Biswas, B.; Tran, A.; Tran, C.; Vázquez, R.J.* “Advancements and Applications of Conjugated Polyelectrolytes and Conjugated Oligoelectrolytes in Bioanalytical and Electrochemical Contexts”. J. Am. Chem. Soc. Au, 2024, 4, 12, 4592-4611
25. Biswas, B.; Shah, D.; Cox-Vázquez, S. J.; Vázquez, R. J. “Sensing Cholesterol-Induced Rigidity in Model Membranes Using Time-Resolved Fluorescence Spectroscopy and Microscopy.” J. Mater. Chem. B, 2024, 12, 6570 6576 - Emerging Investigators Themed Collection
24. McCuskey, S. R.; Quek, G.; Vázquez, R.J.; Kundakad, B.; Ismail, M.H.; Astorga, S.E.; Jiang, Yan.; Bazan, G.C. "Evolving Synergy between Synthetic and Biotic Elements in Conjugated Polyelectrolyte/Bacteria Composite Improves Charge Transport and Mechanical Properties". Adv. Sci. 2024, 2405242
23. Ohayon, D.; Quek, G.; Peng, B. Y. R.; López-García, F.; Ng, P.R.; Vázquez, R.J.; Bazan, G.C.”High-Performance Aqueous Supercapacitors Based on a Self-Doped n-Type Conducting Polymer“. Adv. Mater.2024, 2410512
22. Chen, C.; Quek, G.; Liu, H.; Bannenberg, L.; Li, R.; Choi, J.; Ren, D.; Vázquez, R.J.; Boshuizen, B.; Fimland, B.; Fleischmann, S.; Wagemaker, M.; Jiang, D.; Bazan, G.C.; Wang, X. "High-rate polymeric redox in MXene-based superlattice-like heterostructure for ammonium ion storage". Adv. Energy Mater., 2024, 2402715
21. Jiang, Y.; Vázquez, R. J.; McCuskey, S. R.; Peng, B. Y. R.; Quek, G.; Ohayon, D.; Wang, X.; Bazan, G. C. “Recyclable Conjugated Polyelectrolyte Hydrogels for Pseudocapacitor Fabricatio ”, ACS Appl. Mater. Interfaces, 2024, 16, 16, 19968 - 19976
20. Peng, B. Y. R.; Vázquez, R. J.; McCuskey, S. R.; Jiang, Y.; Quek, G.; Ohayon, D.; Wang, X.; Bazan, G. C. “Conjugated Polyelectrolytes Thin Films for Pseudocapacitive Applications”, Adv. Mater., 2024, 36, 2308631
19. Chae, S.; Dang-Nguyen, T.; Chatsirisupachai, J.; Yi, A.; Vázquez, R. J.; Quek, G.; Promarak, V.; Kim, H. J.; Bazan, G. C.; Nguyen, T.Q. “Impact of Molecular Weight on the Ionic and Electronic Transport of Self‐Doped Conjugated Polyelectrolytes Relevant to Organic Electrochemical Transistors” Adv. Funct. Mater., 2024, 34, 2310852
Before Joining Indiana University Bloomington
18. Vázquez, R. J.; Quek, G.; Jiang, Y.; Peng, B. Y. R.; McCuskey, S. R.; Ohayon, D. Kundukad, B.; Wang, X.; Bazan, G. C. “Pseudocapacitive Gels Based on Conjugated Polyelectrolytes: Thickness and Ion Diffusion Limitations” J. Mater. Chem. A, 2023, 11, 18843-18852
17. Quek, G.; Vázquez, R.J.; McCuskey, S. R.; Lopez-Garcia, F.; Bazan, G. C. “An n‐Type Conjugated Oligoelectrolyte Mimics Transmembrane Electron Transport Proteins for Enhanced Microbial Electrosynthesis” Angew. Chem. Int. Ed., 2023, e202305189
16. Quek, G.; McCuskey, S. R.; Vázquez, R. J. Cox-Vázquez, S.; Bazan, G. C. “A Microbial Cell Coating Based on a Conjugated Polyelectrolyte with Broad Reduction Potential Increases Inward and Outward Extracellular Electron Transfer” Adv. Electron. Mater., 2023, 2300019.
15. Chan, W.K.; Chen, J.; Zhou, D.; Ye, J.; Vázquez, R. J.; Chen, Z.; Bazan, G. C.; Rao, A.; Yu, Z.; Tan, T.T.Y. “Hybrid Organic-Inorganic Perovskite Superstructures for Ultrapure Green Emissions” Nanomaterials, 2023, 13(5), 815
14. Leng, X.; Vázquez, R. J.; McCuskey, S. R.; Quek, G.; Su, Y.; Costa, M. C. F.; Chen, S.; Chen, M.; Yang, K.; Zhao, J.; Lin, M.; Chen, Z.; Bazan, G. C.; Novoselov, K. S. Andreeva, D. V. “Bacteria-Loaded Graphene Bioanode for Renewable Energy Generation” Carbon, 2023, 205, 33-3
13. Zhou, C.; Cox-Vázquez, S.; Chia, G. W. N.; Vázquez, R. J. Ying, H.; Chan, S. J. W.; Limwongyut, J.; Bazan, G. C. “Water-soluble Extracellular Vesicle Probes based on Conjugated Oligoelectrolytes” Sci. Adv., 2022, eade2996
12. Vázquez, R. J.* Quek, G.*; McCuskey, S. R.; Llanes, L.; Kundukad, B.; Wang, X.; Bazan, G. C. “Increasing the Molecular Weight of Conjugated Polyelectrolytes Improves the Electrochemical Stability of their Pseudocapacitor Gels” J. Mater. Chem. A, 2022, 10, 21642–21649
11. Quek, G.; Vázquez, R. J.; McCuskey, S. R.; Kundukad, B.; Bazan, G. C. “Enabling Electron Injection for Microbial Electrosynthesis with n-Type Conjugated Polyelectrolytes” Adv. Mater., 2022, p.2203480
10. Zhou, C.; Li, Z.; Zhu, Z.; Chia, G. W.; Mikhailovsky, A.; Vázquez, R. J.; Chan, S. J.; Li, K.; Liu, B.; Bazan, G. C. “Conjugated Oligoelectrolytes for Long‐Term Tumor Tracking with Incremental NIR‐II Emission” Adv. Mater., 2022, p.2201989
9. Fisher, L.; Vázquez, R.J; Howell, M.; Muthike, A.; Orr, M.; Jiang, H.; Dodgen, B.; Lee, R.; Lee, D.R.; Lee. J.Y.; Zimmerman, P.; Goodson, T. “Investigation of Thermally Activated Delayed Fluorescence In Donor-Acceptor Organic Emitters with Time-Resolved Absorption Spectroscopy” Chem. Mater., 2022, 34, 2161-2175
8. Vázquez, R.J. McCuskey, S.R.; Quek, G.; Su, Y. Llanes, L.; Hinks, J.; Bazan, G.C. “Conjugated Polyelectrolyte/Bacteria Living Composites in Carbon Paper for Biocurrent Generation” Macromol. Rapid Commun., 2022, 2100840
7. Quek, G.; Su, Y.; Donato, R.K.; Vázquez, R.J.; Marangoni, V.S.; Rou, N.P.; Costa, M.C.F.; Kundukad, B.; Novoselov, K.S., Neto, A.H.C; Bazan, G.C. “Pseudocapacitive Conjugated Polyelectrolyte/2D Electrolyte Hydrogels with Enhanced Physico-Electrochemical Properties” Adv. Electron. Mater., 2022, 8, 2100942
6. Su, Y.; McCuskey, S.R.; Leifert, D.; Moreland, A.S.; Zhou, L.; Llanes, L.C.; Vázquez, R.J.; Sepunaru, L.; Bazan, G.C. “A Living Biotic–Abiotic Composite that can Switch Function Between Current Generation and Electrochemical Energy Storage” Adv. Funct. Mater., 2021, 31, 2007351
5. Vázquez, R.J.; Yun, J.H.; Muthike, A.K.; Howell, M.; Kim, H.; Madu, I.K.; Kim, T.; Zimmerman, P.; Lee, J.Y.; Goodson, T.“New Direct Approach for Determining the Reverse Intersystem Crossing Rate in Organic Thermally Activated Delayed Fluorescent (TADF) Emitters” J. Am. Chem. Soc., 2020, 142, 18, 8074–8079
4. Vázquez, R. J.; Kim, H.; Zimmerman, P.; Goodson, T. “ Using Ultra-Fast Spectroscopy to Probe the Excited State Dynamics of a Reported Highly Efficient Thermally Activated Delayed Fluorescence Chromophore” J. Mater. Chem. C, 2019, 7, 4210-4221
3. Kim, H.; Keller, B.; Ho-Wu, R.; Abeyasinghe, N.; Vázquez, R.J.; Goodson, T.; Zimmerman, P. “Enacting Two-Electron Transfer from a TT State of Intramolecular Singlet Fission” J. Am. Chem. Soc., 2018, 140, 7760-7763
2. Cai, Z.*; Vázquez, R. J.*; Zhao, D.; Li, L.; Lo, W. Y.; Zhang, N.; Wu, Q.; Keller, B.; Eshun, A.; Abeyasinghe, N.; Banaszak-Holl, H.; Goodson, T.; Yu, L. “Two-Photon Absorption Study of Low-Bandgap, Fully Conjugated Perylene Diimide-Thienoacene-Perylene Diimide Ladder-Type Molecules” Chem. Mater., 2017, 29, 6726-6732
1. Vázquez, R. J.; Kim, H.; Kobilka, B. M.; Hale, B. J.; Jeffries-El, M.; Zimmerman, P.; Goodson, T. J. “Evaluating the Effect of Heteroatoms on the Photophysical Properties of Donor-Acceptor Conjugated Polymers Based on 2,6-Di(thiophen-2-yl)benzo[1,2-b:4,5-b′]difuran: Two-Photon Cross-Section and Ultrafast Time-Resolved Spectroscopy” J. Phys. Chem. C., 2017, 121, 14382 – 14392