Select Publications

Tender resonant x-ray scattering reveals unique trends in mesoscale morphology of dispersion-cast ionomer membranes

Fouling mechanisms of on RO membranes are revealed with synchrotron techniques and macroscopic membrane measurements.

In situ NEXAFS spectroscopy directly probes backbonding contributions to small molecule chemisorption at open Cu(I) sites in a MOF.

Fuel cell membrane chemistry-morphology-transport relationships (J. Am. Chem. Soc. 2019, 141, 13547)

Impact of dye functionalization on structure of membranes for solar driven desalination (ACS Macro Lett. 2019, 8, 1353)

First-principles predictions of X-ray absorption spectroscopy of semiconducting polymers (J. Phys. Chem. C 2017, 121, 9142)

Controlled alignment of polymers at buried interfaces for improved transistor performance (Macromolecules 2015, 48, 6606)

Tuning phase separation through side-chain chemistry in organic memory devices (ACS Macro Lett. 2014, 3, 1244)

Influence of molecular orientation on electron transport in non-fullerene organic solar cells (J. Mater. Chem. A 2014, 2, 1781)

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2025

Reversible Nanocomposite by Programming Amorphous Polymer Conformation Under Nanoconfinement

T. Chen, Y. Qian, A. Laine, J. Kwon, L. Liu, S. Pal, S. Gupta, E. Vargo, G. M. Su, R. O. Ritchie, S. Keten, R. Wang, M. Salmeron, and T. Xu, Adv. Mater. 2025, 2415352.

2024

Revealing Mesoscale Ionomer Membrane Structure by Tender Resonant X-ray Scattering

S. Rongpipi, J. M. Chan, A. Bird, G. Freychet, A. Kusoglu, and G. M. Su, ACS Appl. Polym. Mater. 2024, 6, 14115-14123.

Resonant Soft X-ray Scattering Reveals the Distribution of Dopants in Semicrystalline Conjugated Polymers

P. Nguyen, D. Callan, E. Plunkett, M. Gruschka, N. Alizadeh, M. R. Landsman, G. M. Su, E. Gann, C .M. Bates, D. M. DeLongchamp, and M. L. Chabinyc, J. Phys. Chem. B 2024, 128, 12597-12611.

Understanding 2p core-level excitons of late transition metals by analysis of mixed-valence copper in a metal–organic framework

H. Wang, G. M. Su, B. R. Barnett, W. S. Drisdell, J. R. Long, and D. Prendergast, Phys. Chem. Chem. Phys. 2024, 26, 11980-11987.

2023

Linking water quality, fouling layer composition, and performance of reverse osmosis membranes

M. R. Landsman, S. Rongpipi, G. Freychet, E. Gann, C. Jaye, D. F. Lawler, L. E. Katz, G. M. Su, J. Membr. Sci. 2023, 680, 121717.

Metal-like Charge Transport in PEDOT(OH) Films by Post-processing Side Chain Removal from a Soluble Precursor Polymer

J. F. Ponder Jr., S. A. Gregory, A. Atassi, A. A. Advincula, J. M. Rinehart, G. Freychet, G. M. Su, S. K. Yee, J. R. Reynolds, Angew. Chem. Int. Ed. 2023, e202211600.

2022

Decoupling Complex Multi-Length-Scale Morphology in Non-Fullerene Photovoltaics with Nitrogen K-Edge Resonant Soft X-ray Scattering

W. Zhong, M. Zhang, G. Freychet, G. M. Su, L. Ying, F. Huang, Y. Cao, Y. Zhang, C. Wang, F. Liu, Adv. Mater. 2022, 34, 2107316 .

2021

Observation of an Intermediate to H2 Binding in a Metal–Organic Framework

B. R. Barnett, H. A. Evans, G. M. Su, H. Z. H. Jiang, R. Chakraborty, D. Banyeretse, T. J. Hartman, M. B. Martinez, B. A. Trump, J. D. Tarver, M. N. Dods, L. M. Funke, J. Börgel, J. A. Reimer, W. S. Drisdell, K. E. Hurst, T. Gennett, S. A. FitzGerald, C. M. Brown, M. Head-Gordon, and J. R. Long, J. Am. Chem. Soc. 2021, 143, 14884–14894.

Performance of a Hybrid ED–NF Membrane System for Water Recovery Improvement via NOM Fouling Control

S. Kum, M. R. Landsman, G. M. Su, G. Freychet, D. F. Lawler, L. E. Katz, ACS EST Engg. 2021, 1, 1420–1431.

Backbonding contributions to small molecule chemisorption in a metal–organic framework with open copper(I) centers

G. M. Su, H. Wang, B. R. Barnett, J. R. Long, D. Prendergast, and W. S. Drisdell, Chem. Sci. 2021, 12, 2156-2164.

2020

A Nature-Inspired Hydrogen-Bonded Supramolecular Complex for Selective Copper Ion Removal from Water

N. Bui, H. Kang, S. J. Teat, G. M. Su, C.-W. Pao, Y.-S. Liu, E. Zaia, J. Guo, J.-L. Chen, K. R. Meihaus, C. Dun, T. M. Mattox, J. R. Long, P. Fiske, R. Kostecki, and J. J. Urban, Nat. Commun. 2020, 11, 3947.

New Insights into Water Treatment Materials with Chemically Sensitive Soft and Tender X-rays

G. M. Su, I. A. Cordova, and C. Wang, Synchrotron Radiat. News 2020, 33, 17-23.

2019

Chemical and Morphological Origins of Improved Ion Conductivity in Perfluoro Ionene Chain Extended Ionomers

G. M. Su, I. A. Cordova, M. Yandrasits, M. Lindell, J. Feng, C. Wang, and A. Kusoglu, J. Am. Chem. Soc. 2019, 141, 13547-13561.

Photoacid-Modified Nafion Membrane Morphology Determined by Resonant X-ray Scattering and Spectroscopy

G. M. Su, W. White, L. A. Renna, J. Feng, S. Ardo, and C. Wang, ACS Macro Lett. 2019, 8, 1353-1359.

2018

Cooperative Adsorption of Carbon Disulde in Diamine-Appended Metal–Organic Frameworks

C. M. McGuirk, R. L. Siegelman, W. S. Drisdell, T. R. Runcevski, P. J. Milner, J. Oktawiec, L. F. Wan, G. M. Su, H. Z. H. Jiang, D. A. Reed, M. I. Gonzalez, D. Prendergast, and J. R. Long, Nat. Commun. 2018, 9, 5133.

Thermoelectric Properties of Poly(3-hexylthiophene) (P3HT) Doped with 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4TCNQ) by Vapor-Phase Infiltration

E. Lim, K. A. Peterson, G. M. Su, and M. L. Chabinyc, Chem. Mater. 2018, 30, 998-1010.

2017

First-Principles Predictions of Near Edge X-ray Absorption Fine Structure Spectra of Semiconducting Polymers

G. M. Su, S. N. Patel, C. D. Pemmaraju, D. Prendergast, and M. L. Chabinyc, J. Phys. Chem. C 2017, 121, 9142-9152.

Achieving Highly Efficient Nonfullerene Organic Solar Cells with Improved Intermolecular Interaction and Open-Circuit Voltage

H. Yao, L. Ye, J. Hou, B. Jang, G. Han, Y. Cui, G. M. Su, C. Wang, B. Gao, R. Yu, H. Zhang, Y. Yi, H. Y. Woo, H. Ade, and J. Hou, Adv. Mater. 2017, 29, 1700254.

2016

Combining Theory and Experiment for X-ray Absorption Spectroscopy and Resonant X-ray Scattering Characterization of Polymers

G. M. Su, I. A. Cordova, M. A. Brady, D. Prendergast, and C. Wang, Polymer 2016, 105, 342-356.

Ambiguous anti-fouling surfaces: Facile synthesis by light-mediated radical polymerization

C. W. Pester, J. E. Poelma, B. Narupai, S. N. Patel, G. M. Su, T. E. Mates, Y. Luo, C. K. Ober, C. J. Hawker, and E. J. Kramer, J. Polym. Sci. A Polym. Chem. 2016, 54, 253-262.

2015

Phase Separated Morphology of Ferroelectric-Semiconductor Polymer Blends Probed by Synchrotron X-ray Methods

G. M. Su, E. Lim, E. J. Kramer, and M. L. Chabinyc, Macromolecules 2015, 48, 5861-5867.

NEXAFS Spectroscopy Reveals the Molecular Orientation in Blade-coated Pyridal[2,1,3]thiadiazole-Containing Conjugated Polymer Thin Films

S. N. Patel, G. M. Su, C. Luo, M. Wang, L. A. Perez, D. A. Fischer, D. Prendergast, G. C. Bazan, A. J. Heeger, M. L. Chabinyc, and E. J. Kramer, Macromolecules 2015, 48, 6606-6616.

2014

Polymer Side Chain Modification Alters Phase Separation in Ferroelectric-Semiconductor Polymer Blends for Organic Memory

G. M. Su, E. Lim, A. R. Jacobs, E. J. Kramer, and M. L. Chabinyc, ACS Macro Lett. 2014, 3, 1244-1248.

Linking Morphology and Performance of Organic Solar Cells Based on Decacyclene Triimide Acceptors

G. M. Su, T. V. Pho, N. D. Eisenmenger, C. Wang, F. Wudl, E. J. Kramer, and M. L. Chabinyc, J. Mater. Chem. A 2014, 2, 1781-1789.

Optimizing Thermoelectric Properties of Self-Doped Narrow Band Gap Conjugated Polyelectrolytes via Side Chain Modifications

C-K. Mai, R. A. Schlitz, G. M. Su, D. Spitzer, X. Wang, S. Fronk, D. G. Cahill, M. L. Chabinyc, and G. C. Bazan, J. Am. Chem. Soc. 2014, 136, 13478-13481.

2013

Effect of bridging atom identity on the morphology of solution-processed small molecule bulk heterojunction photovoltaics

N. D. Eisenmenger, G. M. Su, G. C. Welch, C. J. Takacs, G. C. Bazan, E. J. Kramer, and M. L. Chabinyc, Chem. Mater. 2013, 25, 1688-1698.

2011

Recent Progress in the Morphology of Bulk Heterojunction Photovoltaics

M. A. Brady, G. M. Su, and M. L. Chabinyc, Soft Matter 2011, 44, 11065-11077.

Tailored Nanoparticles for Enhancing Polymer Adhesion

G. M. Su, K. Best, T. Ranganathan, T. Emrick, and A. J. Crosby, Macromolecules 2011, 44, 5256-5261.

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