# Most-cited Chemistry papers of 2019, with free PDFs

The 25 most-cited Chemistry research papers published in 2019, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. [Mercury 4.0 : from visualization to analysis, design and prediction](https://nerdi.pages.dev/paper/W2991188715) · 5,117 citations
2. [Carbon capture and conversion using metal–organic frameworks and MOF-based materials](https://nerdi.pages.dev/paper/W2942998504) · 2,634 citations
3. [State of the Art and Prospects in Metal–Organic Framework (MOF)-Based and MOF-Derived Nanocatalysis](https://nerdi.pages.dev/paper/W2954591269) · 2,450 citations
4. [Improving MOF stability: approaches and applications](https://nerdi.pages.dev/paper/W2977837898) · 1,679 citations
5. [Selective Hydrogenation over Supported Metal Catalysts: From Nanoparticles to Single Atoms](https://nerdi.pages.dev/paper/W2975586142) · 1,631 citations
6. [Exploring Nature and Predicting Strength of Hydrogen Bonds: A Correlation Analysis Between Atoms‐in‐Molecules Descriptors, Binding Energies, and Energy Components of Symmetry‐Adapted Perturbation Theory](https://nerdi.pages.dev/paper/W2972671588) · 1,629 citations
7. [Photopolymerization in 3D Printing](https://nerdi.pages.dev/paper/W2915400200) · 1,441 citations · Free PDF
8. [Coumarin-Based Small-Molecule Fluorescent Chemosensors](https://nerdi.pages.dev/paper/W2957253035) · 1,316 citations
9. [Experimental methods in chemical engineering: specific surface area and pore size distribution measurements—BET, BJH, and DFT](https://nerdi.pages.dev/paper/W2969655219) · 1,167 citations
10. [checkCIF validation ALERTS: what they mean and how to respond](https://nerdi.pages.dev/paper/W2993603795) · 1,152 citations
11. [Mechanochemistry for Synthesis](https://nerdi.pages.dev/paper/W2959524987) · 1,120 citations
12. [Metal-organic framework functionalization and design strategies for advanced electrochemical energy storage devices](https://nerdi.pages.dev/paper/W2963819993) · 1,095 citations · Free PDF
13. [Chemistry with Electrochemically Generated N-Centered Radicals](https://nerdi.pages.dev/paper/W2990675461) · 1,064 citations
14. [Inside Cover: Synergistic N‐Heterocyclic Carbene/Palladium‐Catalyzed Umpolung 1,4‐Addition of Aryl Iodides to Enals (Angew. Chem. Int. Ed. 1/2020)](https://nerdi.pages.dev/paper/W2994728060) · 991 citations
15. [Synthetic ratiometric fluorescent probes for detection of ions](https://nerdi.pages.dev/paper/W2991612567) · 985 citations
16. [Recent Advances in Photoelectrochemical Sensing: From Engineered Photoactive Materials to Sensing Devices and Detection Modes](https://nerdi.pages.dev/paper/W2986200519) · 982 citations
17. [Catalysis by Metal Organic Frameworks: Perspective and Suggestions for Future Research](https://nerdi.pages.dev/paper/W2910111753) · 938 citations
18. [Bond-Forming and -Breaking Reactions at Sulfur(IV): Sulfoxides, Sulfonium Salts, Sulfur Ylides, and Sulfinate Salts](https://nerdi.pages.dev/paper/W2956147480) · 889 citations
19. [Synthesis of micro/nanoscaled metal–organic frameworks and their direct electrochemical applications](https://nerdi.pages.dev/paper/W2995502992) · 888 citations
20. [Advances, Updates, and Analytics for the Computation-Ready, Experimental Metal–Organic Framework Database: CoRE MOF 2019](https://nerdi.pages.dev/paper/W2983028326) · 864 citations
21. [The Persistent Radical Effect in Organic Synthesis](https://nerdi.pages.dev/paper/W2945587946) · 828 citations
22. [Metal-organic frameworks with photocatalytic bactericidal activity for integrated air cleaning](https://nerdi.pages.dev/paper/W2946353546) · 807 citations · Free PDF
23. [Photocatalytic decarboxylative alkylations mediated by triphenylphosphine and sodium iodide](https://nerdi.pages.dev/paper/W2924470661) · 806 citations
24. [Reductive Amination in the Synthesis of Pharmaceuticals](https://nerdi.pages.dev/paper/W2982161494) · 803 citations
25. [Proteogenomic Analysis of Human Colon Cancer Reveals New Therapeutic Opportunities](https://nerdi.pages.dev/paper/W2940627982) · 802 citations

Canonical page: https://nerdi.pages.dev/papers/chemistry/most-cited-2019