Roberto Improta

12.4k total citations · 4 hit papers
211 papers, 10.5k citations indexed

About

Roberto Improta is a scholar working on Molecular Biology, Physical and Theoretical Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Roberto Improta has authored 211 papers receiving a total of 10.5k indexed citations (citations by other indexed papers that have themselves been cited), including 129 papers in Molecular Biology, 124 papers in Physical and Theoretical Chemistry and 86 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Roberto Improta's work include Photochemistry and Electron Transfer Studies (115 papers), DNA and Nucleic Acid Chemistry (108 papers) and Spectroscopy and Quantum Chemical Studies (74 papers). Roberto Improta is often cited by papers focused on Photochemistry and Electron Transfer Studies (115 papers), DNA and Nucleic Acid Chemistry (108 papers) and Spectroscopy and Quantum Chemical Studies (74 papers). Roberto Improta collaborates with scholars based in Italy, France and Spain. Roberto Improta's co-authors include Vincenzo Barone, Fabrizio Santoro, Giovanni Scalmani, Alessandro Lami, Michael J. Frisch, Dimitra Markovitsi, T. Gustavsson, Julien Bloino, Ákos Bányász and Lara Martínez‐Fernández and has published in prestigious journals such as Chemical Reviews, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Roberto Improta

209 papers receiving 10.4k citations

Hit Papers

A state-specific polarizable continuum model time depende... 2006 2026 2012 2019 2006 2008 2007 2016 200 400 600
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A state-specific polarizable continuum model time dependent density functional theory method for excited state calculations in solution
    2006 707 citations Roberto Improta et al. profile →
  2. Effective method for the computation of optical spectra of large molecules at finite temperature including the Duschinsky and Herzberg–Teller effect: The Qx band of porphyrin as a case study
    2008 573 citations Fabrizio Santoro, Roberto Improta et al. profile →
  3. Effective method to compute Franck-Condon integrals for optical spectra of large molecules in solution
    2007 466 citations Fabrizio Santoro, Roberto Improta et al. profile →
  4. Quantum Mechanical Studies on the Photophysics and the Photochemistry of Nucleic Acids and Nucleobases
    2016 392 citations Roberto Improta, Fabrizio Santoro et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Roberto Improta Italy 51 4.8k 4.3k 4.0k 2.7k 2.1k 211 10.5k
Luis Serrano‐Andrés Spain 49 4.5k 0.9× 2.7k 0.6× 5.7k 1.4× 2.9k 1.1× 1.7k 0.8× 137 10.9k
Kankan Bhattacharyya India 54 5.5k 1.1× 3.3k 0.8× 4.7k 1.2× 2.8k 1.0× 3.6k 1.7× 256 10.7k
Fabrizio Santoro Italy 45 3.3k 0.7× 1.7k 0.4× 4.0k 1.0× 2.2k 0.8× 1.8k 0.8× 175 7.9k
Leticia González Austria 55 3.2k 0.7× 1.7k 0.4× 4.9k 1.2× 2.7k 1.0× 2.7k 1.3× 385 11.3k
Sharon Hammes‐Schiffer United States 73 4.6k 1.0× 6.0k 1.4× 7.8k 1.9× 5.5k 2.0× 2.6k 1.2× 401 21.9k
Manuela Merchán Spain 50 3.6k 0.7× 2.4k 0.6× 4.1k 1.0× 1.7k 0.6× 1.3k 0.6× 158 7.9k
Andrzej L. Sobolewski Poland 56 6.2k 1.3× 2.0k 0.5× 5.9k 1.5× 2.7k 1.0× 2.6k 1.2× 215 10.8k
Bern Kohler United States 48 3.4k 0.7× 4.3k 1.0× 3.9k 1.0× 1.6k 0.6× 771 0.4× 122 8.6k
Alexander P. Demchenko Ukraine 55 3.6k 0.8× 2.9k 0.7× 1.4k 0.4× 4.6k 1.7× 2.4k 1.1× 154 9.6k
Marek Z. Zgierski Canada 55 3.5k 0.7× 2.1k 0.5× 5.0k 1.3× 3.1k 1.1× 1.8k 0.8× 302 10.0k

Countries citing papers authored by Roberto Improta

Since Specialization
Citations

This map shows the geographic impact of Roberto Improta's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Roberto Improta with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roberto Improta more than expected).

Fields of papers citing papers by Roberto Improta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roberto Improta. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Roberto Improta. The network helps show where Roberto Improta may publish in the future.

Co-authorship network of co-authors of Roberto Improta

This figure shows the co-authorship network connecting the top 25 collaborators of Roberto Improta. A scholar is included among the top collaborators of Roberto Improta based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Roberto Improta. Roberto Improta is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Martínez‐Fernández, Lara, Xueli Wang, Ruihua Zhang, et al.. (2025). On the nature of the triplet electronic states of naphthalene dimers. Chemical Science. 16(10). 4469–4479. 1 indexed citations
2.
Improta, Roberto, et al.. (2025). Fluorescent Silver Nanoclusters Associated with Double-Stranded Poly(dGdC) DNA. Nanomaterials. 15(5). 397–397. 1 indexed citations
3.
Martínez‐Fernández, Lara, Nicolas Humbert, Ludovic Richert, et al.. (2025). Exploring excited-state proton transfer reactions in isothiazologuanosine, an isofunctional fluorescent analogue of guanosine. Physical Chemistry Chemical Physics. 27(37). 19820–19836.
4.
Martínez‐Fernández, Lara, Nicolas Humbert, Ludovic Richert, et al.. (2023). Photophysical characterization of isothiazologuanosine, a unique isomorphic and isofunctional fluorescent analogue of guanosine. Journal of Photochemistry and Photobiology A Chemistry. 446. 115075–115075. 5 indexed citations
5.
Improta, Roberto. (2023). Shedding Light on the Photophysics and Photochemistry of I-Motifs Using Quantum Mechanical Calculations. International Journal of Molecular Sciences. 24(16). 12614–12614. 3 indexed citations
6.
Green, James A., Sandra Gómez, Graham A. Worth, Fabrizio Santoro, & Roberto Improta. (2022). Solvent Effects on Ultrafast Charge Transfer Population: Insights from the Quantum Dynamics of Guanine‐Cytosine in Chloroform. Chemistry - A European Journal. 28(57). e202201731–e202201731. 10 indexed citations
7.
Fedotov, Daniil A., Alexander C. Paul, Henrik Koch, et al.. (2022). Excited state absorption of DNA bases in the gas phase and in chloroform solution: a comparative quantum mechanical study. Physical Chemistry Chemical Physics. 24(8). 4987–5000. 7 indexed citations
8.
Martínez‐Fernández, Lara, et al.. (2021). The Excited State Dynamics of a Mutagenic Cytidine Etheno Adduct Investigated by Combining Time-Resolved Spectroscopy and Quantum Mechanical Calculations. The Journal of Physical Chemistry Letters. 13(1). 251–257. 6 indexed citations
9.
Santoro, Fabrizio, James A. Green, Lara Martínez‐Fernández, Javier Cerezo, & Roberto Improta. (2021). Quantum and semiclassical dynamical studies of nonadiabatic processes in solution: achievements and perspectives. Physical Chemistry Chemical Physics. 23(14). 8181–8199. 33 indexed citations
10.
Green, James A., et al.. (2021). Nonadiabatic Absorption Spectra and Ultrafast Dynamics of DNA and RNA Photoexcited Nucleobases. Molecules. 26(6). 1743–1743. 31 indexed citations
11.
Martínez‐Fernández, Lara, et al.. (2020). Potassium Ions Enhance Guanine Radical Generation upon Absorption of Low-Energy Photons by G-Quadruplexes and Modify Their Reactivity. The Journal of Physical Chemistry Letters. 11(4). 1305–1309. 17 indexed citations
12.
Martínez‐Fernández, Lara, et al.. (2019). The Absorption Spectrum of Guanine Based Radicals: a Comparative Computational Analysis. ChemPhotoChem. 3(9). 846–855. 7 indexed citations
13.
Bányász, Ákos, Lara Martínez‐Fernández, Gérard Baldacchino, et al.. (2019). Radicals Generated in Tetramolecular Guanine Quadruplexes by Photoionization: Spectral and Dynamical Features. The Journal of Physical Chemistry B. 123(23). 4950–4957. 21 indexed citations
14.
15.
Bányász, Ákos, et al.. (2018). Radicals generated in alternating guanine–cytosine duplexes by direct absorption of low-energy UV radiation. Physical Chemistry Chemical Physics. 20(33). 21381–21389. 19 indexed citations
16.
Martínez‐Fernández, Lara & Roberto Improta. (2018). Sequence dependence on DNA photochemistry: a computational study of photodimerization pathways in TpdC and dCpT dinucleotides. Photochemical & Photobiological Sciences. 17(5). 586–591. 12 indexed citations
17.
Martínez‐Fernández, Lara, Ana Julieta Pepino, Javier Segarra‐Martí, et al.. (2017). Photophysics of Deoxycytidine and 5-Methyldeoxycytidine in Solution: A Comprehensive Picture by Quantum Mechanical Calculations and Femtosecond Fluorescence Spectroscopy. Journal of the American Chemical Society. 139(23). 7780–7791. 75 indexed citations
18.
Conti, Irene, Lara Martínez‐Fernández, Luciana Esposito, et al.. (2017). Multiple Electronic and Structural Factors Control Cyclobutane Pyrimidine Dimer and 6–4 Thymine–Thymine Photodimerization in a DNA Duplex. Chemistry - A European Journal. 23(60). 15177–15188. 39 indexed citations
19.
Deiana, Marco, Lara Martínez‐Fernández, Leszek Mateusz Mazur, et al.. (2017). Specific Recognition of G-Quadruplexes Over Duplex-DNA by a Macromolecular NIR Two-Photon Fluorescent Probe. The Journal of Physical Chemistry Letters. 8(23). 5915–5920. 22 indexed citations
20.
Cerezo, Javier, Alessio Petrone, Francisco J. Ávila Ferrer, et al.. (2016). Electronic spectroscopy of a solvatochromic dye in water: comparison of static cluster/implicit and dynamical/explicit solvent models on structures and energies. Theoretical Chemistry Accounts. 135(12). 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Luis Serrano‐Andrés Breakdown of academic impact, for papers by Kankan Bhattacharyya Breakdown of academic impact, for papers by Fabrizio Santoro Breakdown of academic impact, for papers by Leticia González Breakdown of academic impact, for papers by Sharon Hammes‐Schiffer Breakdown of academic impact, for papers by Manuela Merchán Breakdown of academic impact, for papers by Andrzej L. Sobolewski Breakdown of academic impact, for papers by Bern Kohler Breakdown of academic impact, for papers by Alexander P. Demchenko Breakdown of academic impact, for papers by Marek Z. Zgierski
Rankless by CCL
2026