Joy Zeng
@js_zeng
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Asst Prof @brownengin. Electrocatalysis for sustainability.
Joined March 2020
RT @BetleyGroup: One trick synchrotrons don't want you to know 👀. Read about how we extract resonant scattering perturbations from in-hou….
pubs.acs.org
We analyze the effect of integrated resolution, data scaling, structural refinement, and crystal symmetry on the extracted scattering perturbations and their uncertainties for anomalous (resonant)...
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RT @BetleyGroup: A thermal neutron and an X-ray photon get into a fight. who's winning 🤠🤠? Read about using neutron versus anomalous X-ra….
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RT @BetleyGroup: What's going on between Copper and Carbon 👀👀👀?. read all about it in our newest paper: "C–H Insertion from Isolable Coppe….
pubs.acs.org
Despite the utility of copper catalysts for the insertion of carbene moieties into C–H bonds, the copper carbene intermediate often invoked in these transformations has not been isolated. Herein, we...
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RT @BetleyGroup: Congratulations to Dr. Trevor Latendresse for his recent paper, "High-Spin [Fe(I)3] Cluster Capable of Pnictogen Atom Capt….
pubs.acs.org
Using a new hexanucleating anildophosphine ligand tBuLH3 (1,3,5-C6H9(NHC6H3–5-F–2-P(tBu)2)3), the all-monovalent [FeI3] compound (tBuL)Fe3 (1) was isolated and characterized by X-ray diffraction...
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RT @J_A_C_S: High-Spin [FeI3] Cluster Capable of Pnictogen Atom Capture | Journal of the American Chemical Society @BetleyTed @Harvard @Har….
pubs.acs.org
Using a new hexanucleating anildophosphine ligand tBuLH3 (1,3,5-C6H9(NHC6H3–5-F–2-P(tBu)2)3), the all-monovalent [FeI3] compound (tBuL)Fe3 (1) was isolated and characterized by X-ray diffraction...
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And of course, please spread the word that there is a new electrocatalysis lab interested in hiring motivated PhD and postdoc researchers in the near future! 😊.
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And the incredible village of people who provided insight throughout my job search! @JingFanYang1 @ZJSchiffer @JasonSAdams @cwcoley @afurst1 @RazdanNeil @ga_noh @ManishShetty88 @ReadMeLikeANook @racheljbaker17 @julie_rorrer Michael Strano Pradeep Agrawal Matthias Kuehne.
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Immense gratitude to my mentors, colleagues, and friends who have supported me tremendously over the years! I’ve learned so very much from my postdoc advisor @BetleyTed and from my PhD advisors @KManthiram and @yuriy_roman.
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I’m looking forward to joining Brown at a time of exciting growth – with the inception and expansion of the Initiative for Sustainable Energy, as well as with the hire of 4 other Engineering faculty (see below)!.
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We will seek to expand the electrocatalytic toolkit by using phenomena unique to electrode surfaces to expose fundamentally distinct reaction mechanisms at catalyst sites taken from across diverse, non-electrochemical contexts.
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Thrilled to announce that I will start as an Assistant Professor of Engineering (Chemical and Environmental) at Brown in July 2025! My lab will develop new electrocatalysts to address grand challenges in energy storage, chemical synthesis, and waste remediation.
Brown Engineering welcomes @PeipeiZhou_EECS, @SaliganeMehdi, @js_zeng, @Leokoz8, and @IndieGarwood to the faculty!
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Huge thanks to @Vpadia for leading us in designing and building a real live robot, and much appreciation to the whole team! @gracechen42 @jmaalouf23 @adityal.
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We found evidence of complex rxn mechanisms involving phenomena such as V-dependent mixed control. These manifested as apparent reactant order dependencies that changed dramatically with applied V, and were only discernable with kinetic data collected over many rxn conditions.
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Happy to share the final work from my PhD! We built a robot to automate collection of electrochemical reaction rate data and used it to investigate CO2 reduction mechanisms at several immobilized metal tetrapyrroles.
pubs.acs.org
In electrocatalysis, mechanistic analysis of reaction rate data often relies on the linearization of relatively simple rate equations; this is the basis for typical Tafel and reactant order depende...
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RT @ManthiramLab: We designed a robot to collect CO2RR rate data over a wide range of conditions (30+). Results suggest complex electrocat….
pubs.acs.org
In electrocatalysis, mechanistic analysis of reaction rate data often relies on the linearization of relatively simple rate equations; this is the basis for typical Tafel and reactant order depende...
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RT @J_A_C_S: Electrifying Hydroformylation Catalysts Exposes Voltage-Driven C–C Bond Formation | Journal of the American Chemical Society @….
pubs.acs.org
Electrochemical reactions can access a significant range of driving forces under operationally mild conditions and are thus envisioned to play a key role in decarbonizing chemical manufacturing....
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Much thanks to the whole team, and special shoutout to @emmaelectron and Spencer Delgado for the many insightful discussions about this complex system and for your help in pushing this to the finish line!.
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As we dream about further expanding the types of reactions we can facilitate electrochemically, perhaps we can think about leveraging thermocatalytic precedent in this very direct and experimentally tangible way!.
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Electrochemical HFN uses protons and electrons, rather than H2 gas, to couple CO to olefins. We show that electro- vs thermo- chemical HFN proceed via distinct reaction mechanisms, and that electro-HFN reactivity is more accessible at ambient temp.
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Very happy to share a highlight of my PhD! As a design strategy for developing a new C-C bond forming electrocatalyst, we sequentially “electrified” a thermochemical hydroformylation (HFN) catalyst to access analogous electrochemical reactivity.
pubs.acs.org
Electrochemical reactions can access a significant range of driving forces under operationally mild conditions and are thus envisioned to play a key role in decarbonizing chemical manufacturing....
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