Publications


Highlighted Research
*Denotes Co-First Authorship

2023 - Northwestern University




Conducting polymer nanoparticles with intrinsic aqueous dispersibility for conductive hydrogels


Joshua Tropp, Caralyn P. Collins, Xinran Xie, Rachel E. Daso, Abijeet Singh Mehta, Shiv P. Patel, Manideep M. Reddy, Sophia E. Levin, Cheng Sun, Jonathan Rivnay

Adv. Mater., Just Accepted, 2023





Organic Mixed Conductors for Electrochemical Transistors


Joshua Tropp, Dilara Meli, Jonathan Rivnay

Matter, Available Online, 2023





Revealing the Impact of Molecular Weight on Mixed Conduction in Glycolated Polythiophenes Through Electrolyte Choice


Joshua Tropp*, Dilara Meli*, Ruiheng Wu, Bohan Xu, Samuel Hunt, Jason Azoulay, Bryan Paulsen, Jonathan Rivnay

ACS. Mater. Lett., vol. 5, 2023, pp. 1367-1375



Aligned Bioelectronic Polypyrrole/Collagen Constructs for Peripheral Nerve Interfacing


Ryan Trueman, Owein Guillemot-Legris, Henry Lancashire, Abijeet Mehta, Joshua Tropp, Rachel Daso, Jonathan Rivnay, Alethea Tabor, James Phillips, Bob Schroeder

ChemRxiv, In Review, 2023



2022- Northwestern University




Receptor Induced Doping of Conjugated Polymer Transistors: A Strategy for Selective and Ultrasensitive Phosphate Detection in Complex Aqueous Environments


Anthony R. Benasco, Joshua Tropp, Vikash Kaphle, Yusheng Chen, Wei Zhao, Naresh Eedugurala, Tse Nga Ng, Amar H. Flood, Jason D. Azoulay

Advanced Electronic Materials, vol. 8(7), 2022, p. 2101353





Sources and Mechanism of Degradation in p-Type Thiophene-Based Organic Electrochemical Transistors


Emily A Schafer, Ruiheng Wu, Dilara Meli, Joshua Tropp, Maximilian Moser, Iain McCulloch, Bryan D Paulsen, Jonathan Rivnay

ACS Applied Electronic Materials, vol. 4(4), 2022, pp. 1391–1404



How Early-Career Scientists Responded with Resiliency to the Space Created by the COVID-19 Pandemic (Editorial)


Fun Man Fung, Safia Z Jilani, Monica L Ohnsorg, Rebecca L Pinals, Mohit Saraf, Joshua Tropp, Peter Carlton

ACS Central Science, vol. 8(3), 2022, pp. 294-296





Versatile Poly(3,4-ethylenedioxythiophene) Polyelectrolytes for Bioelectronics by Incorporation of an Activated Ester


Joshua Tropp, Abijeet Mehta, Ruiheng Wu, Manideep Reddy, Shiv Patel, Anthony Petty, Jonathan Rivnay

Chem. Mater., vol. 35, 2022, pp. 41-50





A Sensor Array for the Ultrasensitive Discrimination of Heavy Metal Pollutants in Seawater


Michael H. Ihde*, Joshua Tropp*, Miguel Diaz, Alan M. Shiller, Jason D. Azoulay, Marco Bonizzoni, (* denotes co-first)

Advanced Functional Materials, vol. 32(33), 2022, p. 2112634





3D-printed electroactive hydrogel architectures with sub-100 μm resolution promote myoblast viability


Rebecca L. Keate, Joshua Tropp, Caralyn Collins, Henry Oliver T. Ware, Anthony J. Petty II, Guillermo Ameer, Cheng Sun, Jonathan Rivnay

Macromolecular Biosciences, vol. 22(8), 2022, p. 2200103



The effect of residual palladium on the performance of organic electrochemical transistors


Sophie Griggs, Adam Marks, Dilara Meli, Gonzague Rebetezc, Olivier Bardagotc, Bryan D. Paulsen, Hu Chen, Karrie Weaver, Mohamad I. Nugrahag, Emily A. Schafer, Joshua Tropp, Catherine M. Aitchison, Thomas D. Anthopoulos, Natalie Banerji, Jonathan Rivnay, Iain McCulloch

Nature Communications, vol. 13, 2022, p. 7964



2021 - Northwestern University




Design of biodegradable and biocompatible conjugated polymers for bioelectronics


Joshua Tropp, Jonathan Rivnay

Journal of Materials Chemistry C, vol. 9(39), 2021, pp. 13543-13556





Organic electrochemical transistors – from device models to a targeted design of materials


Pushpa Raj Paudel, Joshua Tropp, Vikash Kaphle, Jason D Azoulay, Björn Lüssem

Journal of Materials Chemistry C, vol. 9(31), 2021, pp. 9761-9790



A Collagen-Conducting Polymer Composite with Enhanced Chondrogenic Potential


Rebecca L. Keate, Joshua Tropp, Carlos Serna III, Jonathan Rivnay

Cellular and Molecular Bioengineering, issue 14, 2021, pp. 501–512



2020 - University of Southern Mississippi




Gold‐Catalyzed C− H Functionalization Polycondensation for the Synthesis of Aromatic Polymers


Eric R King, Joshua Tropp, Naresh Eedugurala, Lauren E Gonce, Sonia Stanciu, Jason D Azoulay

Angewandte Chemie, vol. 59(49), 2020, pp. 21971-21975





A sensor array for the nanomolar detection of azo dyes in water


Joshua Tropp, Michael H. Ihde, Erin R. Crater, Noel C. Bell, Rimsha Bhatta, Ian C. Johnson, Marco Bonizzoni, Jason D. Azoulay

ACS sensors, vol. 5(6), 2020, pp. 1541-1547



Molecular Au (I) complexes in the photosensitized photocatalytic CO2 reduction reaction


Shakeyia Davis, Dinesh Nugegoda, Joshua Tropp, Jason D Azoulay, Jared H Delcamp

MRS Communications, vol. 10(2), 2020, pp. 252-258





Tunable adhesion from stoichiometry-controlled and sequence-defined supramolecular polymers emerges hierarchically from cyanostar-stabilized anion–anion linkages


Wei Zhao, Joshua Tropp, Bo Qiao, Maren Pink, Jason D Azoulay, Amar H Flood

Journal of the American Chemical Society, vol. 142(5), 2020, pp. 2579-2591



2019 - University of Southern Mississippi




Thiol–Ene Click Post-Polymerization Modification of a Fluorescent Conjugated Polymer for Parts-per-Billion Pyrophosphate Detection in Seawater


Abagail K Williams*, Joshua Tropp*, Erin R Crater, Naresh Eedugurala, Jason D Azoulay, (* denotes co-first)

ACS Applied Polymer Materials, vol. 1(3), 2019, pp. 309–314





A high-spin ground-state donor-acceptor conjugated polymer


Alex E London, H Chen, MA Sabuj, Joshua Tropp, M Saghayezhian, Naresh Eedugurala, BA Zhang, Y Liu, Xiaodan Gu, BM Wong, N Rai, MK Bowman, Jason D Azoulay

Science advances, vol. 5(5), 2019, pp. eaav2336





A sensor array for the discrimination of polycyclic aromatic hydrocarbons using conjugated polymers and the inner filter effect


Joshua Tropp, Michael H Ihde, Abagail K Williams, Nicholas J White, Naresh Eedugurala, Noel C Bell, Jason D Azoulay, Marco Bonizzoni

Chemical science, vol. 10(44), 2019, pp. 10247-10255





Linear supramolecular polymers driven by anion–anion dimerization of difunctional phosphonate monomers inside cyanostar macrocycles


Wei Zhao, Bo Qiao, Joshua Tropp, Maren Pink, Jason D Azoulay, Amar H Flood

Journal of the American Chemical Society, vol. 141(12), 2019, pp. 4980-4989



2017 - University of Southern Mississippi




Donor–acceptor polymers with tunable infrared photoresponse


Alexander E London, Lifeng Huang, Benjamin A Zhang, M Belén Oviedo, Joshua Tropp, Weichuan Yao, Zhenghui Wu, Bryan M Wong, Tse Nga Ng, Jason D Azoulay

Polymer Chemistry, vol. 8(19), 2017, pp. 2922-2930


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