12. Insights into Restrained C–C Coupling on an Aniline-Modified Copper Catalyst in Electroreduction of Carbon Dioxide. Chunjing Ran, Shengzhou Xu, Chenglong Wang, Hexing Yang, Wangjiang Gao & Dan Ren*. ACS Appl. Mater. Interfaces 17, DOI: 10.1021/acsami.5c12259 (2025)

11. Understanding of the Carbon Chain Growth in Electroreduction of Carbon Dioxide to Produce C3+ Molecules. Boshen Liu#, Chunjing Ran#, Fang Hao* & Dan Ren*. ChemSusChem 18, e2501370, (2025)

10. Cation Effect on the Dynamics of Intermediates in Electroreduction of Carbon Dioxide in Acids. Chenglong Wang, Shengzhou Xu, Hexing Yang, Wangjiang Gao, Chunjing Ran & Dan Ren*. ACS Catal. 15, 15372-15386 (2025).

9. Unraveling the Impact of Common-Ion Effect on Acidic CO2 Electroreduction via Exploring Local pH Variation. Yafei Yao#, Shengzhou Xu#, Hangyu Bu#, Wen Yan, Zhe Zheng, Dan Ren* & Ming Ma*. ACS Catal. 15, 12114-12122 (2025).

8. Modulating CO2/H2O Ratio at Hydrophobic Catalytic Interface Promotes C-C Coupling in Acidic CO2 Electroreduction. Wangjiang Gao, Chenglong Wang, Hexing Yang, Chunjing Ran, Shengzhou Xu & Dan Ren*. Adv. Funct. Mater. 35, e09314 (2025).

7. Tuning Intermediate Binding Enables Selective Electroreduction of Carbon Dioxide to Carbon Monoxide on a Copper-Indium Catalyst. Shengzhou Xu, Chenglong Wang, Chunjing Ran, Hexing Yang, Wangjiang Gao, Bitao Dong*, Yuhang Liu & Dan Ren*. Chem. Sci. 16, 8661-8672 (2025). (Back Cover)


6. Advances and Challenges in the Electroreduction of Carbon Dioxide in Acidic Electrolyte. Chenglong Wang, Wangjiang Gao, Hexing Yang & Dan Ren*. J. Energy Chem. 107, 732-749 (2025).

5. Unravelling the Effect of Crystal Facet of Derived-Copper Catalysts on the Electroreduction of Carbon Dioxide under Unified Mass Transport Condition. Zi-Hao Zhao & Dan Ren*. Angew. Chem. Int. Ed. 65, e202415590 (2025). (Very Important Paper)

4. Iron-doped Nickel Sulfide@Phosphate Heterostructure Nanosheets Constructed from Solvothermal P2S5 and Layered Double Hydroxides for Eelectrocatalytic Oxygen Evolution. Zeyi Wang, Shuling Liu*, Chenglong Wang, Dan Ren, Yangling Hu, Yujie Ma & Chao Wang*. J. Mater. Chem. A 12, 31233-31243 (2024).

3. Porous Two-dimensional CuSe@BiOI Isotype Heterojunction with Highly Exposed (102) Facets for Efficient Photoelectrocatalytic CO2 Reduction and Photodetection. Xiu Gong#, Shuhan Fan#, *, Qu Yang, Jing-Liang Yang, Yanli chen, Xiaosi Qi, Hui Shen, Dan Ren* & Mingkui Wang*. Chem. Eng. J. 493, 152773 (2024).
2. Asymmetric Oxygen Vacancy-enriched Mn2O3@CeO2 for NO Oxidation with Excellent Low-temperature Activity and Boosted SO2-Resistance. Lei Chen, Dan Ren, Xiaoke Hou, Jinping Zhang, Yangwen Wu, Yibio Wang, Chao Hu, Peigao Duan*, Chao Li, Ching-Yu Chiang, Chi He* & Qiang Lu*. Appl. Catal. B 340, 123202 (2024).

1. Updates on Hydrogen Value Chain: A Strategic Roadmap. Julio Garcia-Navarro, Mark A. Isaacs, Marco Favaro*, Dan Ren, Wee-Jun Ong, Michael Grätzel & Pablo Jiménez-Calvo* Global Chall. 8, 2470085 (2024).

Note: # represents equal-contribution authorship; * represents corresponding authorship.
Publications with first/corresponding authorship:
Boosting Interfacial Electron Transfer and CO2 Enrichment on ZIF-8/ZnTe for Selective Photoelectrochemical Reduction of CO2 to CO. Q. Wang#, X. Gao#, Y. Wei#, T. Liu, Q. Huang, D. Ren*, S.M. Zakeeruddin, M. Grätzel*, M. Wang, Q. Li, J. Yang & Y. Shen*. ACS Appl. Mater. Interfaces 16, 36462-36470 (2024).
Exfoliated 2D Layered and Nonlayered Metal Phosphorous Trichalcogenides Nanosheets as Promising Electrocatalysts for CO2 Reduction. H. Wang#, Y. Jiao#, B. Wu, D. Wang*, Y. Hu, F. Liang, C. Shen*, A. Knauer, D. Ren*, H. Wang*, P. A van Aken, H. Zhang, M. Grätzel, Z. Sofer & P. Schaaf. Angew. Chem. Int. Ed. 62, e202217253 (2023)
Electrochemical Synthesis of Propylene from Carbon Dioxide on Copper Nanocrystals. J. Gao, A. Bahmanpour, O. Kröcher, S.M. Zakeeruddin, D. Ren* & Michael Grätzel*. Nat. Chem. 15, 705-713 (2023)
Regulated CO Adsorption by the Electrode with OH− Repulsive Property for Enhancing C–C Coupling. Q. Zhang#, D. Ren#, J. Gao, Z. Wang, J. Wang, S. Pan, M. Wang, J. Luo, Y. Zhao, M. Grätzel & X. Zhang*. GreenChE 4, 331-337 (2023).
Efficient Cu2O Photocathode for Aqueous Photoelectrochemical CO2 Reduction to Formate and Syngas. M. Xia, L. Pan, Y. Liu, J. Gao, J. Li, M. Mensi, K. Sivula, S.M. Zakeeruddin, D. Ren* & M. Grätzel*. J. Am. Chem. Soc. 145, 27939-27949 (2023).
Solar Reduction of Carbon Dioxide on Copper-tin Electrocatalysts with Energy Conversion Efficiency near 20%. J. Gao#,*, J. Li#, Y. Liu#, M. Xia, Y. Zou Finfrock, S.M. Zakeeruddin, D. Ren* & M. Grätzel*. Nat. Commun. 13, 5898 (2022).
Revisiting the Impact of Morphology and Oxidation State of Cu on CO2 Reduction Using Electrochemical Flow Cell. A.M. Asiri*, J. Gao*, S.B. Khan, K.A. Alamry, H.M. Marwani, M.S.J. Khan, W.A. Adeosun, S.M. Zakeeruddin, D. Ren* & M. Grätzel*. J. Phys. Chem. Lett. 13, 345-351 (2022).
Solar Water Splitting Using Earth-Abundant Electrocatalysts Driven by High-Efficiency Perovskite Solar Cells. A.M. Asiri*, D. Ren*, H. Zhang, S.B. Khan, K.A. Alamry, H.M. Marwani, M.S.J. Khan, W.A. Adeosun, S.M. Zakeeruddin & M. Grätzel*. ChemSusChem 15, e202102471 (2022).
New Insights into the Interface of Electrochemical Flow Cells for Carbon Dioxide Reduction to Ethylene. D. Ren*, J. Gao, S.M. Zakeeruddin & M. Grätzel*. J. Phys. Chem. Lett. 12, 7583-7589 (2021).
Micro-Electrode with Fast Mass Transport for Enhancing Selectivity of Carbonaceous Products in Electrochemical CO2 Reduction. Q. Zhang, D. Ren#, S. Pan, M. Wang, J. Luo, Y. Zhao, M. Grätzel & X. Zhang*. Adv. Funct. Mater. 31, 2103966 (2021).
Selective C-C Coupling via Efficient Spillover of Intermediates as Supported by Operando Raman spectroscopy. J. Gao, H. Zhang, X. Guo, J. Luo, S. M. Zakeeruddin, D. Ren* & M. Grätzel*. J. Am. Chem. Soc. 141, 18704-18714 (2019). (ESI Highly Cited Paper)
Atomic Layer Deposition of ZnO on CuO Enables Selective and Efficient Electroreduction of Carbon Dioxide to Liquid Fuels. D. Ren, J. Gao, L. Pan, Z. Wang, J. Luo, S. M. Zakeeruddin, A. Hagfeldt & M. Grätzel*. Angew. Chem. Int. Ed. 58, 15036-15040 (2019).
Sequential Catalysis Enables Enhanced C-C Coupling towards Multicarbon Alkenes and Alcohols in Carbon Dioxide Reduction: A Study on CuAu Electrocatalysts. J. Gao, D. Ren*, X. Guo, S.M. Zakeeruddin & M. Grätzel*. Faraday Discuss. 215, 282-296 (2019).
Understanding the Electrochemical Reduction of Carbon Dioxide at Copper Surfaces. D. Ren*, J. Gao & M. Grätzel* in ‘Computational Photocatalysis: Modeling of Photophysics and Photochemistry at Interfaces’. ACS Symposium series 9, 209-223 (2019).
Bimetallic Electrocatalysts for Carbon Dioxide Reduction. D. Ren, J. Gao, S.M. Zakeeruddin & M. Grätzel*. Chimia 73, 928 (2019).
The Effects of Currents and Potentials on the Selectivities of Copper Toward Carbon Dioxide Electroreduction. D. Ren, J. Fong & B.S. Yeo*. Nat. Commun. 9, 925 (2018). (ESI Highly Cited Paper)
Continuous Production of Ethylene from Carbon Dioxide and Water Using Intermittent Sunlight. D. Ren, N.W.X. Loo, L. Gong & B.S. Yeo*. ACS Sus. Chem. & Eng. 5, 9191-9199 (2017).
Tuning the Selectivity of Carbon Dioxide Electroreduction toward Ethanol on Oxide-Derived CuxZn Catalysts. D. Ren, B.S-H. Ang & B.S. Yeo*. ACS Catal. 6, 8239-8247 (2016). (ESI Highly Cited Paper)
Mechanistic Insights into the Enhanced Activity and Stability of Agglomerated Cu Nanocrystals for the Electrochemical Reduction of Carbon Dioxide to n-Propanol. D. Ren, N.T. Wong, A.D. Handoko, Y. Huang & B.S. Yeo*. J. Phy. Chem. Lett. 6, 20-24 (2016).
Selective Electrochemical Reduction of Carbon Dioxide to Ethylene and Ethanol on Copper(I) Oxide Catalysts. D. Ren, Y. Deng, A.D. Handoko, C.S. Chen, S. Malkhandi & B.S. Yeo*. ACS Catal. 5, 2814-2821 (2015). (ESI Highly Cited Paper)
Electrocatalysts for the Selective Reduction of Carbon Dioxide to Useful Products. D. Ren, Y. Huang & B.S. Yeo*. Chimia 69, 131-135 (2015).
Publications with co-authorship:
High Carrier Mobility Along the [111] Orientation in Cu2O Photoelectrodes. L. Pan#, L. Dai#, O.J. Burton, L. Chen, V. Andrei, Y. Zhang, D. Ren, J. Cheng, L. Wu, K. Frohna, A. Abfalterer, T.C-J. Yang, W. Niu, M. Xia, S. Hofmann, P.J. Dyson, E. Reisner, H. Sirringhaus, J. Luo*, A. Hagfeldt*, M. Grätzel* & S.D. Stranks*. Nature 628, 765-770 (2024).
Bifunctional Hole-shuttle Molecule for Improved Interfacial Energy Level Alignment and Defect Passivation in Perovskite Solar Cells. S. You#, F.T. Eickemeyer#, J. Gao, J.H. Yum, X. Zheng, D. Ren, M. Xia, R. Guo, Y. Rong, S.M. Zakeeruddin, K. Sivula, J. Tang, Z. Shen*, X. Li* & M. Grätzel* Nat. Energy 8, 515-525 (2023) (ESI Highly Cited Paper)
Photoelectrochemical CO2 Reduction at a Direct CuInGaS2/Electrolyte Junction. Y. Liu, M. Xia, D. Ren, S. Nussbaum, J.-H. Yum, M. Grätzel, N. Guijarro* & K. Sivula* ACS Energy Lett. 8, 1645-1651 (2023).
Investigation of Nickel Iron Layered Double Hydroxide for Water Oxidation in Different pH Electrolytes. Q. Xie, D. Ren, L. Bai, R. Ge, W. Zhou, L. Bai, W. Xie, J. Wang*, M. Grätzel & J. Luo*. Chinese J. Catal. 44, 127-138 (2023).
Thiocyanate-Mediated Dimensionality Transformation of Low-Dimensional Perovskites for Photovoltaics. L. Hong, Z. Wang, J.V. Milić, C.E. Avalos, W. Zhang, D. Ren, C. Wang, B. Carlsen, Y. Liu, S.M. Zakeeruddin, A. Hagfeldt, T. Wang, H. Han* & M. Grätzel*. Chem. Mater. 34, 6331-6338 (2022)
Photoelectrochemical Oxygen Evolution on Mesoporous Hematite Films Prepared from Maghemite Nanoparticles. N.C. Verissimo, D. Ren, C.C.C. Kleiner, F.A.B. Hesse, S.M. Zakeeruddin, M. Grätzel* & R. Bertazzoli. J. Electrochem. Soc. 169, 056522 (2022)
Realizing High-Efficiency Perovskite Solar Cells by Passivating Triple-Cation Perovskite Films. Y. Wu, H. Zhu*, D. Wang, S. Akin, F.T. Eickemeyer, D. Ren, H. Cai* & L. Huang*. Solar RRL 6, 2200115 (2022).
Efficient and Stable Noble-metal-free Catalyst for Acidic Water Oxidation. S. Pan#, H. Li#, D. Liu, R. Huang, X. Pan, D. Ren, J. Li, M. Shakouri, Q. Zhang, M. Wang, C. Wei, L. Mai, B. Zhang, Y. Zhao, Z. Wang*, M. Grätzel* & X. Zhang*. Nat. Commun. 13, 2294 (2022).(ESI Highly Cited Paper)
Transparency and Morphology Control of Cu2O Photocathodes via an in situ Electroconversion. M. Caretti, L. Lazouni, M. Xia, R.A. Wells, S. Nussbaum, D. Ren, M. Grätzel & K. Sivula*. ACS Energy Lett. 7, 1618–1625 (2022)
A Universal Co-solvent Dilution Strategy Enables Facile and Cost-effective Fabrication of Perovskite Photovoltaics. H. Zhang*, K. Darabi, N. Y. Nia, A. Krishna, P. Ahlawat, B. Guo, M. H. S. Almalki, T.-S. Su, D. Ren, V. Bolnykh, L. A. Castriotta, M. Zendehdel, L. Pan, S. S. Alonso, R. Li, S. M. Zakeeruddin, A. Hagfeldt, U. Rothlisberger, A. Di Carlo*, A. Amassian* & M. Grätzel*. Nat. Commun. 13, 89 (2022). (ESI Highly Cited Paper)
Combined Precursor Engineering and Grain Anchoring Leading to MA-Free, Phase-Pure, and Stable α-Formamidinium Lead Iodide Perovskites for Efficient Solar Cells. X. Ling, H. Zhu, W. Xu, C. Liu, L. Pan, D. Ren, J. Yuan, B. W. Larson, C. Grätzel, A. R. Kirmani, O. Ouellette, A. Krishna, J. Sun, C. Zhang, Y. Li*, S. M. Zakeeruddin, J. Gao, Y. Liu, J. R. Durrant, J. M. Luther, W. Ma* & M. Grätzel*. Angew. Chem. Int. Ed. 60, 27299-27306 (2022).
Carbazol-phenyl-phenothiazine-based Sensitizers for Dye-sensitized Solar Cells. Y. Jiao, S. Liu, Z. Shen, L. Mao, Y. Ding, D. Ren, F. T. Eickemeyer, L. Pfeifer, D. Cao, W. Xu, J. Song, B. Mi, Z. Gao, S. M. Zakeeruddin, W. Huang & M. Grätzel. J. Mat. Chem. A 9, 26311-26322 (2021).
Gold-in-copper at Low *CO Coverage Enables Efficient Electromethanation of CO2. X. Wang, P. Ou, J. Wicks, Y. Xie, Y. Wang, J. Li, J. Tam, D. Ren, J.Y. Howe, Z. Wang, A. Ozden, Y.Z. Finfrock, Y. Xu, Y. Li, A.S. Rasouli, K. Bertens, A.H. Ip, M. Grätzel, D. Sinton & E.H. Sargent*. Nat. Commun. 12, 3387 (2021).
Multimodal Host–guest Complexation for Efficient and Stable Perovskite Photovoltaics. H. Zhang, F.T. Eickemeyer, Z. Zhou, M. Mladenović, F. Jahanbakhshi, L. Merten, A. Hinderhofer, M.A. Hope, O. Ouellette, A. Mishra, P. Ahlawat, D. Ren, T.-S. Su, A. Krishna, Z. Wang, Z. Dong, J. Guo, S.M. Zakeeruddin, F. Schreiber, A. Hagfeldt, L. Emsley, U. Rothlisberger, J.V. Milić* & M. Grätzel*. Nat. Commun. 12, 3383 (2021).
Silica-copper Catalyst Interfaces Enable Carbon-carbon Coupling towards Ethylene Electrosynthesis. J. Li, A. Ozden, M. Wan, Y. Hu, F. Li, Y. Wang, R.R. Zamani, D. Ren, Z. Wang, Y. Xu, D.-H. Nam, J. Wicks, B. Chen, X. Wang, M. Luo, M. Grätzel, F. Che, E.H. Sargent & D. Sinton*. Nat. Commun. 12, 2808 (2021).
Benzylammonium-Mediated Formamidinium Lead Iodide Perovskite Phase Stabilization for Photovoltaics. A.Q. Alanazi, M.H. Almalki, A. Mishra, D.J. Kubicki, Z. Wang, L. Merten, F.T. Eickemeyer, H.Zhang, D. Ren, A.Y. Alyamani, H. Albrithen, A. Albadri, M.H. Alotaibi, A. Hinderhofer, S.M. Zakeeruddin, F. Schreiber, A. Hagfeldt, L. Emsley*, J.V. Milić* & M. Grätzel*. Adv. Funct. Mater. 31, 2101163 (2021).
Spectroelectrochemical and Chemical Evidence of Surface Passivation at Zinc Ferrite (ZnFe2O4) Photoanodes for Solar Water Oxidation. Y. Liu, M. Xia, L. Yao, M. Mensi, D. Ren, M. Grätzel, K. Sivula & N. Guijarro*. Adv. Funct. Mater. 31, 2010081 (2021).
A Hybrid Bulk-heterojunction Photoanode for Direct Solar-to-chemical Conversion. L. Yao, Y. Liu (equal contribution), H.H. Cho, M. Xia, A. Sekar, B.P. Darwich, R.A. Wells, J.H. Yum, D. Ren, M. Grätzel, N. Guijarro & K. Sivula*. Energy Environ. Sci. 14, 3141-3151 (2021).
Crown Ether Modulation Enables over 23% Efficient Formamidinium-Based Perovskite Solar Cells. T.S. Su, F.T. Eickemeyer, M.A. Hope, F. Jahanbakhshi, M. Mladenovic, J. Li, Z. Zhou, A. Mishra, J.H. Yum, D. Ren, A. Krishna, O. Ouellette, T.C. Wei, H. Zhou, H.H. Huang, M.D. Mensi, K. Sivula, S.M. Zakeeruddin, J.V. Milić, A. Hagfeldt, U. Rothlisberger, L. Emsley, H. Zhang* & M. Grätzel*. J. Am. Chem. Soc. 142, 19980-19991 (2020).(ESI Highly Cited Paper)
Tailored Amphiphilic Molecular Mitigators for Stable Perovskite Solar Cells with 23.5% Efficiency. H. Zhu, Y. Liu*, F. Eickemeyer, L. Pan, D. Ren, M.A. Ruiz-Preciado, B. Carlsen, B. Yang, X. Dong, Z. Wang, H. Liu, S. Wang, S.M. Zakeeruddin, A. Hagfeldt, M. I. Dar, X. Li* & M. Grätzel*. Adv. Mater. 32, 1907757 (2020). (ESI Highly Cited Paper)
Cu2O Photocathodes with Band-tail States Assisted Hole Transport for Standalone Solar Water Splitting. L. Pan, Y. Liu, L. Yao, D. Ren, K. Sivula, M. Grätzel & A. Hagfeldt*. Nat. Commun. 11, 318 (2020).
Guanine-Stablized Formamidinium Lead Iodide Perovskites. L. Hong, J.V. Milić, P. Ahlawat, M. Mladenović, D.J. Kubicki, F. Jahanabkhshi, D. Ren, M.C. Gélvez-Rueda, M.A. Ruiz-Preciado, A. Ummadisingu, Y. Liu, C. Tian, L. Pan, S.M. Zakeeruddin, A. Hagfeldt, F.C. Grozema, U. Rothlisberger, L. Emsley, H. Han* & M. Grätzel*. Angew. Chem. Int. Ed. 59, 4691-4697 (2020).
Atomic-Level Microstructure of Efficient Formamidinium-Based Perovskite Solar Cells Stabilized by 5-Ammonium Valeric Acid Iodide Revealed by Multi-Nuclear and Two-Dimensional Solid-State NMR. A.Q. Alanazi, D.J. Kubicki*, D. Prochowicz, E.A. Alharbi, M.E.F Bouduban, F. Jahanbakhshi, M. Mladenovic, J.V. Milić, F. Giordano, D. Ren, A.Y. Alyamani, H. Albrithen, A. Albadri, M.H. Alotaibi, J-E. Moser, S.M. Zakeeruddin, U. Rothlisberger, L. Emsley* & M. Grätzel*. J. Am. Chem. Soc. 141, 17659-17669 (2019).
TiC Supported Pt Nanocluster Electrocatalysts and Monolithic Perovskite/Silicon Tandem Cells Enabling 18.7% Solar Water Splitting. J. Gao, F. Sahli, C. Liu, D. Ren, X. Guo, J. Werner, Q. Jeangros, S.M. Zakeeruddin, C. Ballif, M. Grätzel* & J. Luo*. Joule. 3, 2930-2941 (2019).
Photoelectrocatalytic Arean C-H Amination. L. Zhang, L. Liardet, J. Luo, D. Ren, M. Grätzel & X. Hu*. Nat. Catal. 2, 366-373 (2019). (ESI Highly Cited Paper)
SnS Quantum Dots as Hole Transporter of Perovskite Solar Cells. Y. Li, Z. Wang, D. Ren, Y. Liu, A. Zheng, S.M. Zakeeruddin, X. Dong, A. Hagfeldt, M. Grätzel & P. Wang*. ACS Appl. Energy Mater. 2, 3822-3829 (2019).
On the Role of Sulfur for the Selective Electrochemical Reduction of CO2 to Formate on CuSx Catalysts. Y. Deng, Y. Huang, D. Ren, A.D. Handoko, Z.W. Seh, P. Hirunsit* & B.S. Yeo*. ACS Appl. Mater. Interfaces 10, 28572-28581 (2018).
Investigating the Role of Copper Oxide in Electrochemical CO2 Reduction in Real Time. L. Mandal, K.R. Yang, M.R. Motapothula, D. Ren, P. Lobaccaro, A. Patra, M. Sherburne, V.S. Batista, B.S. Yeo, J.W. Ager*, J. Martin* & T. Venkatesan*. ACS Appl. Mater. Interfaces 10, 8574-8584 (2018).
Understanding the Heterogeneous Electrocatalytic Reduction of Carbon Dioxide on Oxide-Derived Catalysts. J.E. Pander, D. Ren, Y. Huang, N.W.X. Loo, S.H.L. Hong & B.S. Yeo*. ChemElectroChem 5, 219-237 (2018).
Practices for the Collection and Reporting of Electrocatalytic Performance and Mechanistic Information for the CO2 Reduction Reaction. J.E. Pander III, D. Ren & B.S. Yeo*. Catal. Sci. Technol. 7, 5820-5832 (2017).
Efficient and Stable Evolution of Oxygen Using Pulse-Electrodeposited Ir/Ni Oxide Catalyst in Fe-Spiked KOH Electrolyte. L. Gong, D. Ren, Y. Deng & B.S. Yeo*. ACS Appl. Mater. Interfaces 8, 15985-15990 (2016).
Stable and Selective Electrochemical Reduction of Carbon Dioxide to Ethylene on Copper Mesocrystals. C.S. Chen, A.D. Handoko, J.H. Wan, L. Ma, D. Ren & B.S. Yeo*. Catal. Sci. Technol. 5, 161-168 (2015). (ESI Highly Cited Paper)