Tristan Lambert

William T. Miller Professor of Chemistry

Publications

  • Cross-Coupling of Amines via Photocatalytic Denitrogenation of In Situ-Generated Diazenes. Steiniger, K. A.; Lamb, M. C.; Lambert, T. H. J. Am. Chem. Soc. 2023, 145, 11524-11529.
  • Olefination of Carbonyls with Alkenes Enabled by Electrophotocatalytic Generation of Distonic Radical Cations. Steiniger, K. A.; Lambert, T. H. Science Adv. 20239, eadg3026.
  • Electrophotocatalytic Oxygenation of Multiple Contiguous Adjacent C–H Bonds. Shen, T.; Li, Y.-L.; Ye, K.-Y.; Lambert, T. H. Nature 2023614, 275-280.
  • Ring-opening Metathesis Polymerization Using Hydrazonium Initiators. Quach, P.; Hsu, J. H.; Keresztes, I.; Fors, B. P.; Lambert, T. H. Angew. Chem. Int. Ed. 2022, 61, e202203344.
  • Electrophotocatalytic Diamination of Vicinal C–H Bonds. Science 2021, 371, 620-626.
  • Reductive Electrophotocatalysis: Merging Electricity and Light to Achieve Extreme Reduction Potentials. Kim, H.; Kim, H.; Lambert, T. H.; Lin, S. J. Am. Chem. Soc. 2020, 142, 2087-2092.
  • Electrophotocatalysis with a Trisaminocyclopropenium Radical Dication. Huang, H.; Strater, Z. M.; Rauch, M.; Shee, J.; Sisto, T. J.; Nuckolls, C.; Lambert, T. H. Angew. Chem. Int. Ed. 2019, 58, 13318-13322.
  • An Aromatic Ion Platform for Enantioselective Brønsted Acid Catalysis.  Gheewala, C. D.; Collins, B. E.; Lambert, T. H. Science 2016, 351, 961-965.

Christopher K. Ober

Francis Norwood Bard Professor of Metallurgical Engineering

Lara A. Estroff

Professor

Christopher Alabi

Associate Professor and Nancy and Peter Meinig Family Investigator in the Life Sciences

Dotsevi Y. Sogah

Professor Emeritus

Publications

John A. Marohn

Professor

Publications

Search PubMed for articles by “JA Marohn”.
For a current list of publications go here.
For current publications also see Orcid and Google Scholar

Representative Publications

Nanoscale magnetic resonance imaging
  • C. E. Isaac, C. M. Gleave, P. T. Nasr, H. L. Nguyen, E. A. Curley, J. L. Yoder, E. W. Moore, L. Chen, and J. A. Marohn, Dynamic nuclear polarization in a magnetic resonance force microscope experiment, Phys. Chem. Chem. Phys., 2016, 18, 8806 – 8819, URL http://dx.doi.org/10.1039/C6CP00084C, PMC5609491.
  • J. G. Longenecker, H. J. Mamin, A. W. Senko, L. Chen, C. T. Rettner, D. Rugar, and J. A. Marohn, High-gradient nanomagnets on cantilevers for sensitive detection of nuclear magnetic resonance, ACS Nano, 2012, 6, 9637 – 9645, URL http://dx.doi.org/10.1021/nn3030628.
  • E. W. Moore, S.-G. Lee, S. A. Hickman, S. J. Wright, L. E. Harrell, P. P. Borbat, J. H. Freed, and J. A. Marohn, Scanned-probe detection of electron spin resonance from a nitroxide spin probe, Proc. Natl. Acad. Sci. U.S.A., 2009, 106, 22251 – 22256, URL http://dx.doi.org/10.1073/pnas.0908120106.
  • S. R. Garner, S. Kuehn, J. M. Dawlaty, N. E. Jenkins, and J. A. Marohn, Force-gradient detected nuclear magnetic resonance, Appl. Phys. Lett., 2004, 84, 5091 – 5093, URL http://dx.doi.org/10.1063/1.1762700.
Nanoscale fluctuations
  • S. Lekkala, J. A. Marohn, and R. F. Loring, Electric force microscopy of semiconductors: Theory of cantilever frequency fluctuations and noncontact friction, J. Chem. Phys., 2013, 139, 184702, URL http://dx.doi.org/10.1063/1.4828862.
  • N. Hoepker, S. Lekkala, R. F. Loring, and J. A. Marohn, Dielectric fluctuations over polymer films detected using an atomic force microscope, J. Phys. Chem. B, 2011, 115, 14493 – 14500, URL http://dx.doi.org/10.1021/jp207387d.
  • S. M. Yazdanian, N. Hoepker, S. Kuehn, R. F. Loring, and J. A. Marohn, Quantifying electric field gradient fluctuations over polymers using ultrasensitive cantilevers, Nano Lett., 2009, 9, 2273 – 2279, URL http://dx.doi.org/10.1021/nl9004332.
  • S. Kuehn, J. A. Marohn, and R. F. Loring, Noncontact dielectric friction, J. Phys. Chem. B, 2006, 110, 14525 – 145258, URL http://dx.doi.org/10.1021/jp061865n.
Charge and ion motion in unconventional semiconductors
  • R. P. Dwyer, S. R. Nathan, and J. A. Marohn, Microsecond photocapacitance transients observed using a charged microcantilever as a gated mechanical integrator, Sci. Adv., 2017, 3, e1602951, URL http://dx.doi.org/10.1126/sciadv.1602951.
  • A. M. Tirmzi, R. P. Dwyer, T. Hanrath, and J. A. Marohn, Coupled slow and fast charge dynamics in cesium lead bromide perovskite, ACS Energy Lett., 2017, 2, 488 – 496, URL http://dx.doi.org/10.1021/acsenergylett.6b00722.
  • R. P. Dwyer, L. E. Harrell, and J. A. Marohn, Lagrangian and impedance spectroscopy treatments of electric force microscopy, Phys. Rev. Appl., 2019, 11, 064020, URL http://dx.doi.org/10.1103/PhysRevApplied.11.064020.
  • J. L. Luria, K. A. Schwarz, M. J. Jaquith, R. G. Hennig, and J. A. Marohn, Spectroscopic characterization of charged defects in polycrystalline pentacene by time- and wavelength-resolved electric force microscopy, Adv. Mater., 2011, 23, 624 – 628, URL http://dx.doi.org/10.1002/adma.201003073.
  • T. N. Ng, W. R. Silveira, and J. A. Marohn, Dependence of charge injection on temperature, electric field, and energetic disorder in an organic semiconductor, Phys. Rev. Lett., 2007, 98, 066101, URL http://dx.doi.org/10.1103/PhysRevLett.98.066101.
  • J. D. Slinker, J. A. DeFranco, M. J. Jaquith, W. R. Silveira, Y.-W. Zhong, J. M. Moran-Mirabal, H. G. Craighead, H. D. Abruña, J. A. Marohn, and G. G. Malliaras, Direct measurement of the electric-field distribution in a light-emitting electrochemical cell, Nat. Mater., 2007, 6, 894 – 899, URL http://dx.doi.org/10.1038/nmat2021.
  • E. M. Muller and J. A. Marohn, Microscopic evidence for spatially inhomogeneous charge trapping in pentacene, Adv. Mater., 2005, 17, 1410, URL http://dx.doi.org/10.1002/adma.200401174.

Song Lin

Tisch University Professor

Publications

Brett P. Fors

Professor

Geoffrey W. Coates

Tisch University Professor

Publications

•    Ye, R.; Sun, X.; Mao, X.; Alfonso, F. S.; Baral, S.; Liu, C.; Coates, G. W.; Chen, P. “Optical sequencing of single synthetic polymers” Nature Chemistry, 2024, 16, 210–217.
•    Zhou, Z.; LaPointe, A. M.; Coates, G. W. Atactic, Isotactic, and Syndiotactic Methylated Polyhydroxybutyrates: An Unexpected Series of Isomorphic Polymers” J. Am. Chem. Soc. 2023, 145, 25983–25988.
•    Lu, Y.; Coates, G. W. “Pairing-Enhanced Regioselectivity: Synthesis of Alternating Poly(lactic-co-glycolic acid) from Racemic Methyl-Glycolide” J. Am. Chem. Soc. 2023, 145, 22425–22432.
•    Zhou, Z.; LaPointe, A. M.; Shaffer, T. D.; Coates, G. W. “Nature-inspired methylated polyhydroxybutyrates from C1 and C4 feedstocks” Nature Chemistry, 2023, 15, 856–861.
•    Parke, S. M.; Lopez, J. C.; Cui, S.; LaPointe, A. M.; Coates, G. W. “Polyethylene Incorporating Diels-Alder Comonomers: A “Trojan Horse” Strategy for Chemically Recyclable Polyolefins”  Angew. Chem. Int. Ed. 2023, 62, e202301927.
•    Hester, H. G.; Abel, B. A.; Coates, G. W. “Ultra-High Molecular Weight Poly(Dioxolane): Enhancing the Mechanical Performance of a Chemically Recyclable Polymer” J. Am. Chem. Soc. 2023, 145, 8800–8804.
•    Arroyave, A.; Cui, S.; Lopez, J. C.; Kocen, A. L.; LaPointe, A. M.; Delferro, M.; Coates, G. W. “Catalytic Chemical Recycling of Post-Consumer Polyethylene” J. Am. Chem. Soc. 2022, 144, 23280–23285.
•    Kocen, A. L.; Cui, S.; Lin, T.-W.; LaPointe, A. M.; Coates, G. W. “Chemically Recyclable Ester-Linked Polypropylene” J. Am. Chem. Soc. 2022, 144, 12613–12618.
•    Popowski, Y.; Lu, Y.; Coates, G. W.; Tolman, W. B. “Stereocomplexation of Stereoregular Aliphatic Polyesters: Change from Amorphous to Semicrystalline Polymers with Single Stereocenter Inversion” J. Am. Chem. Soc. 2022, 144, 8362–8370.
•    Abel, B. A.; Snyder, R. L.; Coates, G. W. “Chemically recyclable thermoplastics from reversible-deactivation polymerization of cyclic acetals” Science, 2021 373, 783–789.
•    Lu, Y.; Swisher, J. H.; Meyer, T. Y.; Coates, G. W. “Chirality-Directed Regioselectivity: An Approach for the Synthesis of Alternating Poly(Lactic-co-Glycolic Acid)” J. Am. Chem. Soc. 2021, 143, 4119–4124.
•    You, W.; Ganley, J. M.; Ernst, B. G.; Peltier, C. R.; Ko, H.-Y.; DiStasio, Jr.; R. A.; Knowles, R. R.; Coates, G. W. “Expeditious synthesis of aromatic-free piperidinium-functionalized polyethylene as alkaline anion exchange membranes” Chem. Sci., 2021, 12, 3898–3910.
•    Lidston, C. A. L.; Abel, B. A.; Coates, G. W. “Bifunctional Catalysis Prevents Inhibition in Reversible-Deactivation Ring-Opening Copolymerizations of Epoxides and Cyclic Anhydrides” J. Am. Chem. Soc. 2020, 142, 20161–20169.
•    Lamb, J. R.; Hubbell, A. K.; MacMillan, S. N.; Coates, G. W. “Carbonylative, Catalytic Deoxygenation of 2,3-Disubstituted Epoxides with Inversion of Stereochemistry: An Alternative Alkene Isomerization Method” J. Am. Chem. Soc. 2020, 142, 8029–8035.
•    Lipinski, B. M.; Morris, L. S.; Silberstein, M. N.; Coates, G. W. “Isotactic Poly(Propylene Oxide): A Photodegradable Polymer with Strain Hardening Properties” J. Am. Chem. Soc. 2020, 142, 6800–6806.
•    Sifri, R. J.; Padilla-Vélez, O.; Coates, G. W.; Fors, B. P. “Controlling the Shape of Molecular Weight Distributions in Coordination Polymerization and Its Impact on Physical Properties” J. Am. Chem. Soc. 2020, 142, 1443–1448.
•    Abel, B. A.; Lidston, C. A. L.; Coates, G. W. “Mechanism-Inspired Design of Bifunctional Catalysts for the Alternating Ring-Opening Copolymerization of Epoxides and Cyclic Anhydrides” J. Am. Chem. Soc. 2019, 141, 12760–12769.
•    Hubbell, A. K.; LaPointe, A. M.; Lamb, J. R.; Coates, G. W. “Regioselective Carbonylation of 2,2-Disubstituted Epoxides: An Alternative Route to Ketone-Based Aldol Products” J. Am. Chem. Soc. 2019, 141, 2474–2480.
•    You, W.; Padgett, E.; MacMillan, S. N.; Muller, D. A.; Coates, G. W. “Highly Conductive and Chemically Stable Alkaline Anion Exchange Membranes via ROMP of trans-Cyclooctene Derivatives” Proc. Nat. Acad. Sci. 2019, 116, 9729–9734.
•    Eagan, J. E.; Xu, J.; Di Girolamo, R.; Thurber, C. M.; Macosko, C. W.; LaPointe, A. M.; Bates, F. S.; Coates, G. W. “Combining Polyethylene and Polypropylene: Enhanced Performance with PE/iPP Multiblock Polymers” Science 2017, 355, 814−816.

Peng Chen

Peter J. W. Debye Professor

Publications

See complete publication list at Group Website.

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