Search Results - "Junqueira, João"

Splicing the active phases of copper/cobalt-based catalysts achieves high-rate tandem electroreduction of nitrate to ammonia by He, Wenhui, Zhang, Jian, Dieckhöfer, Stefan, Varhade, Swapnil, Brix, Ann Cathrin, Lielpetere, Anna, Seisel, Sabine, Junqueira, João R. C., Schuhmann, Wolfgang

“…Electrocatalytic recycling of waste nitrate (NO 3 − ) to valuable ammonia (NH 3 ) at ambient conditions is a green and appealing alternative to the Haber−Bosch…”
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B‐Cu‐Zn Gas Diffusion Electrodes for CO2 Electroreduction to C2+ Products at High Current Densities by Song, Yanfang, Junqueira, João R. C., Sikdar, Nivedita, Öhl, Denis, Dieckhöfer, Stefan, Quast, Thomas, Seisel, Sabine, Masa, Justus, Andronescu, Corina, Schuhmann, Wolfgang

“…Electroreduction of CO2 to multi‐carbon products has attracted considerable attention as it provides an avenue to high‐density renewable energy storage…”
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Single‐entity Electrochemistry Unveils Dynamic Transformation during Tandem Catalysis of Cu2O and Co3O4 for Converting NO3− to NH3 by Zhang, Jian, He, Wenhui, Quast, Thomas, Junqueira, João R. C., Saddeler, Sascha, Schulz, Stephan, Schuhmann, Wolfgang

“…Electrochemically converting nitrate to ammonia is an essential and sustainable approach to restoring the globally perturbed nitrogen cycle. The rational…”
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Probing the Local Reaction Environment During High Turnover Carbon Dioxide Reduction with Ag‐Based Gas Diffusion Electrodes by Dieckhöfer, Stefan, Öhl, Denis, Junqueira, João R. C., Quast, Thomas, Turek, Thomas, Schuhmann, Wolfgang

“…Discerning the influence of electrochemical reactions on the electrode microenvironment is an unavoidable topic for electrochemical reactions that involve the…”
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Enhanced Nitrate‐to‐Ammonia Efficiency over Linear Assemblies of Copper‐Cobalt Nanophases Stabilized by Redox Polymers by He, Wenhui, Chandra, Shubhadeep, Quast, Thomas, Varhade, Swapnil, Dieckhöfer, Stefan, Junqueira, João R. C., Gao, Huimin, Seisel, Sabine, Schuhmann, Wolfgang

“…Renewable electricity‐powered nitrate (NO3−) reduction reaction (NO3RR) offers a net‐zero carbon route to the realization of high ammonia (NH3) productivity…”
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A Metal–Organic Framework derived CuxOyCz Catalyst for Electrochemical CO2 Reduction and Impact of Local pH Change by Sikdar, Nivedita, Junqueira, João R. C., Dieckhöfer, Stefan, Quast, Thomas, Braun, Michael, Song, Yanfang, Aiyappa, Harshitha B., Seisel, Sabine, Weidner, Jonas, Öhl, Denis, Andronescu, Corina, Schuhmann, Wolfgang

“…Developing highly efficient and selective electrocatalysts for the CO2 reduction reaction to produce value‐added chemicals has been intensively pursued. We…”
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In Situ Carbon Corrosion and Cu Leaching as a Strategy for Boosting Oxygen Evolution Reaction in Multimetal Electrocatalysts by Zhang, Jian, Quast, Thomas, He, Wenhui, Dieckhöfer, Stefan, Junqueira, João R. C., Öhl, Denis, Wilde, Patrick, Jambrec, Daliborka, Chen, Yen‐Ting, Schuhmann, Wolfgang

“…The number of active sites and their intrinsic activity are key factors in designing high‐performance catalysts for the oxygen evolution reaction (OER). The…”
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Optimized Ag Nanovoid Structures for Probing Electrocatalytic Carbon Dioxide Reduction Using Operando Surface-Enhanced Raman Spectroscopy by Öhl, Denis, Kayran, Yasin U, Junqueira, João R. C, Eßmann, Vera, Bobrowski, Tim, Schuhmann, Wolfgang

“…Surface-enhanced Raman spectroscopy is a powerful analytical tool and a strongly surface structure-dependent process. Importantly, it can be coupled with…”
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Closing the Gap for Electronic Short‐Circuiting: Photosystem I Mixed Monolayers Enable Improved Anisotropic Electron Flow in Biophotovoltaic Devices by Wang, Panpan, Frank, Anna, Zhao, Fangyuan, Szczesny, Julian, Junqueira, João R. C., Zacarias, Sónia, Ruff, Adrian, Nowaczyk, Marc M., Pereira, Inês A. C., Rögner, Matthias, Conzuelo, Felipe, Schuhmann, Wolfgang

“…Well‐defined assemblies of photosynthetic protein complexes are required for an optimal performance of semi‐artificial energy conversion devices, capable of…”
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High-Throughput Exploration of Metal Vanadate Thin-Film Systems (M–V–O, M = Cu, Ag, W, Cr, Co, Fe) for Solar Water Splitting: Composition, Structure, Stability, and Photoelectrochemical Properties by Kumari, Swati, Junqueira, João R. C, Schuhmann, Wolfgang, Ludwig, Alfred

“…Combinatorial synthesis and high-throughput characterization of thin-film materials libraries enable to efficiently identify both photoelectrochemically active…”
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Simultaneous Anodic and Cathodic Formate Production in a Paired Electrolyzer by CO2 Reduction and Glycerol Oxidation by Junqueira, João R. C., Das, Debanjan, Cathrin Brix, Ann, Dieckhöfer, Stefan, Weidner, Jonas, Wang, Xin, Shi, Jialin, Schuhmann, Wolfgang

“…Electrochemical CO2 conversion is a key technology to promote the production of carbon‐containing molecules, alongside reducing CO2 emissions leading to a…”
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Redox Replacement of Silver on MOF‐Derived Cu/C Nanoparticles on Gas Diffusion Electrodes for Electrocatalytic CO2 Reduction by Sikdar, Nivedita, Junqueira, João R. C., Öhl, Denis, Dieckhöfer, Stefan, Quast, Thomas, Braun, Michael, Aiyappa, Harshitha B., Seisel, Sabine, Andronescu, Corina, Schuhmann, Wolfgang

“…Bimetallic tandem catalysts have emerged as a promising strategy to locally increase the CO flux during electrochemical CO2 reduction, so as to maximize the…”
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In-situ electrochemical reconstruction and modulation of adsorbed hydrogen coverage in cobalt/ruthenium-based catalyst boost electroreduction of nitrate to ammonia by Zhang, Jian, Quast, Thomas, Eid, Bashir, Chen, Yen-Ting, Zerdoumi, Ridha, Dieckhöfer, Stefan, Junqueira, João R. C., Seisel, Sabine, Schuhmann, Wolfgang

“…The electroreduction of nitrate offers a promising, sustainable, and decentralized route to generate valuable ammonia. However, a key challenge in the nitrate…”
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Ag‐induced Phase Transition of Bi2O3 Nanofibers for Enhanced Energy Conversion Efficiency towards Formate in CO2 Electroreduction by Wang, Xin, He, Wenhui, Shi, Jialin, Junqueira, João R. C., Zhang, Jian, Dieckhöfer, Stefan, Seisel, Sabine, Das, Debanjan, Schuhmann, Wolfgang

“…Bi‐based electrocatalysts have been widely investigated in the CO2 reduction reaction (CO2RR) for the formation of formate. However, it remains a challenge to…”
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Combinatorial Synthesis and High-Throughput Characterization of Fe–V–O Thin-Film Materials Libraries for Solar Water Splitting by Kumari, Swati, Gutkowski, Ramona, Junqueira, João R. C, Kostka, Aleksander, Hengge, Katharina, Scheu, Christina, Schuhmann, Wolfgang, Ludwig, Alfred

“…The search for suitable materials for solar water splitting is addressed with combinatorial material science methods. Thin film Fe–V–O materials libraries were…”
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Combinatorial Screening of Electronic and Geometric Effects in Compositionally Complex Solid Solutions Toward a Rational Design of Electrocatalysts by Zerdoumi, Ridha, Savan, Alan, Amalraj, Marshal, Tetteh, Emmanuel Batsa, Lourens, Florian, Krysiak, Olga A., Junqueira, João R. C., Ludwig, Alfred, Schuhmann, Wolfgang

“…Alloying dissimilar elements presents an effective strategy for enhancing the electrocatalytic properties of multi‐metal materials. This enhancement can be…”
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Nanostructured Fe-Doped Ni3S2 Electrocatalyst for the Oxygen Evolution Reaction with High Stability at an Industrially-Relevant Current Density by Zhu, Jiahui, Chen, Wei, Poli, Stefano, Jiang, Tao, Gerlach, Dominic, Junqueira, João R. C., Stuart, Marc C. A., Kyriakou, Vasileios, Costa Figueiredo, Marta, Rudolf, Petra, Miola, Matteo, Morales, Dulce M., Pescarmona, Paolo P.

“…A novel oxygen evolution reaction (OER) electrocatalyst was prepared by a synthesis strategy consisting of the solvothermal growth of Ni3S2 nanostructures on…”
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Hollow CeO2@Co2N Nanosheets Derived from Co‐ZIF‐L for Boosting the Oxygen Evolution Reaction by Zhang, Jian, He, Wenhui, Aiyappa, Harshitha Barike, Quast, Thomas, Dieckhöfer, Stefan, Öhl, Denis, Junqueira, João R. C., Chen, Yen‐Ting, Masa, Justus, Schuhmann, Wolfgang

“…Rational design of highly active electrocatalysts for the oxygen evolution reaction (OER) is critical to improving overall electrochemical water splitting…”
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Bioelectrocatalytic CO2 Reduction by Redox Polymer-Wired Carbon Monoxide Dehydrogenase Gas Diffusion Electrodes by Becker, Jana M., Lielpetere, Anna, Szczesny, Julian, Junqueira, João R. C., Rodríguez-Maciá, Patricia, Birrell, James A., Conzuelo, Felipe, Schuhmann, Wolfgang

“…The development of electrodes for efficient CO2 reduction while forming valuable compounds is critical. The use of enzymes as catalysts provides the advantage…”
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Is Cu instability during the CO2 reduction reaction governed by the applied potential or the local CO concentration? by Wilde, Patrick, O'Mara, Peter B, Junqueira, João R C, Tarnev, Tsvetan, Benedetti, Tania M, Andronescu, Corina, Yen-Ting, Chen, Tilley, Richard D, Schuhmann, Wolfgang, Gooding, J Justin

“…Cu-based catalysts have shown structural instability during the electrochemical CO2 reduction reaction (CO2RR). However, studies on monometallic Cu catalysts…”
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