# Most-cited Chemistry papers of 2020, with free PDFs

The 25 most-cited Chemistry research papers published in 2020, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. [Electrically Conductive Metal–Organic Frameworks](https://nerdi.pages.dev/paper/W3015879182) · 2,008 citations
2. [Metal–Organic Frameworks in Heterogeneous Catalysis: Recent Progress, New Trends, and Future Perspectives](https://nerdi.pages.dev/paper/W3014055873) · 1,771 citations
3. [A Review on Recent Advances in Nitrogen-Containing Molecules and Their Biological Applications](https://nerdi.pages.dev/paper/W3016762617) · 1,718 citations · Free PDF
4. [Power of Infrared and Raman Spectroscopies to Characterize Metal-Organic Frameworks and Investigate Their Interaction with Guest Molecules](https://nerdi.pages.dev/paper/W3113271000) · 1,286 citations
5. [Functional metal–organic frameworks as effective sensors of gases and volatile compounds](https://nerdi.pages.dev/paper/W3047156543) · 1,258 citations
6. [Metal–Organic Framework-Based Catalysts with Single Metal Sites](https://nerdi.pages.dev/paper/W3023124676) · 1,240 citations
7. [Synthetic Methods Driven by the Photoactivity of Electron Donor–Acceptor Complexes](https://nerdi.pages.dev/paper/W3010504693) · 1,201 citations
8. [Prescribed drugs containing nitrogen heterocycles: an overview](https://nerdi.pages.dev/paper/W3112064743) · 1,197 citations
9. [Visible Light-Driven Radical-Mediated C–C Bond Cleavage/Functionalization in Organic Synthesis](https://nerdi.pages.dev/paper/W3031202436) · 1,141 citations
10. [Metal–Organic Frameworks for the Removal of Emerging Organic Contaminants in Water](https://nerdi.pages.dev/paper/W3005073129) · 1,118 citations
11. [Förster resonance energy transfer (FRET)-based small-molecule sensors and imaging agents](https://nerdi.pages.dev/paper/W3044283789) · 1,031 citations
12. [Classifications, properties, recent synthesis and applications of azo dyes](https://nerdi.pages.dev/paper/W3003280505) · 1,030 citations
13. [Pressure control using stochastic cell rescaling](https://nerdi.pages.dev/paper/W3035076119) · 1,023 citations · Free PDF
14. [Metal–Organic Frameworks for Biomedical Applications](https://nerdi.pages.dev/paper/W3005084630) · 1,001 citations
15. [Bidentate Directing Groups: An Efficient Tool in C–H Bond Functionalization Chemistry for the Expedient Construction of C–C Bonds](https://nerdi.pages.dev/paper/W3000745227) · 997 citations
16. [Coordinatively unsaturated metal sites (open metal sites) in metal–organic frameworks: design and applications](https://nerdi.pages.dev/paper/W3014911130) · 900 citations
17. [Polyethylene upcycling to long-chain alkylaromatics by tandem hydrogenolysis/aromatization](https://nerdi.pages.dev/paper/W3094505816) · 889 citations
18. [New Strategies for the Transition-Metal Catalyzed Synthesis of Aliphatic Amines](https://nerdi.pages.dev/paper/W3006550406) · 873 citations
19. [Encapsulated Metal Nanoparticles for Catalysis](https://nerdi.pages.dev/paper/W3037230067) · 864 citations
20. [TRAVIS—A free analyzer for trajectories from molecular simulation](https://nerdi.pages.dev/paper/W3020059849) · 775 citations
21. [Balancing volumetric and gravimetric uptake in highly porous materials for clean energy](https://nerdi.pages.dev/paper/W3016327953) · 770 citations
22. [Structure-antioxidant activity relationship of methoxy, phenolic hydroxyl, and carboxylic acid groups of phenolic acids](https://nerdi.pages.dev/paper/W3006284061) · 762 citations · Free PDF
23. [Site-Selective C–H Functionalization via Synergistic Use of Electrochemistry and Transition Metal Catalysis](https://nerdi.pages.dev/paper/W2999636154) · 758 citations
24. [Catalyzing Electrosynthesis: A Homogeneous Electrocatalytic Approach to Reaction Discovery](https://nerdi.pages.dev/paper/W3006782651) · 754 citations
25. [Electro-organic synthesis – a 21 st century technique](https://nerdi.pages.dev/paper/W3027965069) · 741 citations

Canonical page: https://nerdi.pages.dev/papers/chemistry/most-cited-2020