Kevin Penfield

2.0k total citations · 1 hit paper
12 papers, 1.4k citations indexed

About

Kevin Penfield is a scholar working on Physical and Theoretical Chemistry, Organic Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Kevin Penfield has authored 12 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Physical and Theoretical Chemistry, 4 papers in Organic Chemistry and 4 papers in Electrical and Electronic Engineering. Recurrent topics in Kevin Penfield's work include Surfactants and Colloidal Systems (3 papers), Molecular Junctions and Nanostructures (3 papers) and Photochemistry and Electron Transfer Studies (3 papers). Kevin Penfield is often cited by papers focused on Surfactants and Colloidal Systems (3 papers), Molecular Junctions and Nanostructures (3 papers) and Photochemistry and Electron Transfer Studies (3 papers). Kevin Penfield collaborates with scholars based in United States and India. Kevin Penfield's co-authors include Edward I. Solomon, John R. Miller, G. L. Closs, L. T. Calcaterra, Andrew A. Gewirth, Patricia A. Aikens, Sunil S. Bhagwat, D. O. Shah, A. Patist and Susan L. Cohen and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Physical Chemistry and Rapid Communications in Mass Spectrometry.

In The Last Decade

Kevin Penfield

12 papers receiving 1.4k citations

Hit Papers

Distance, stereoelectronic effects, and the Marcus invert... 1986 2026 1999 2012 1986 100 200 300 400
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. Distance, stereoelectronic effects, and the Marcus inverted region in intramolecular electron transfer in organic radical anions
    1986 465 citations G. L. Closs, L. T. Calcaterra et al. The Journal of Physical Chemistry profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kevin Penfield United States 9 518 432 416 345 286 12 1.4k
Zbigniew Gasyna Canada 21 285 0.6× 878 2.0× 257 0.6× 323 0.9× 164 0.6× 49 1.4k
Adriano Bigotto Italy 22 176 0.3× 597 1.4× 305 0.7× 443 1.3× 193 0.7× 75 1.6k
Stephan S. Isied United States 27 558 1.1× 619 1.4× 736 1.8× 523 1.5× 292 1.0× 68 2.3k
Marcelo H. Gehlen Brazil 26 723 1.4× 861 2.0× 514 1.2× 976 2.8× 374 1.3× 94 2.4k
D. F. EATON United States 17 558 1.1× 1.2k 2.8× 240 0.6× 583 1.7× 198 0.7× 24 2.2k
Hirdyesh Mishra India 26 447 0.9× 968 2.2× 289 0.7× 496 1.4× 218 0.8× 98 1.9k
Christine Fecenko Murphy United States 3 338 0.7× 565 1.3× 268 0.6× 599 1.7× 188 0.7× 5 2.0k
D. Lavabre France 22 388 0.7× 1.3k 2.9× 383 0.9× 629 1.8× 167 0.6× 61 2.3k
Burkhard Kirste Germany 20 398 0.8× 347 0.8× 280 0.7× 461 1.3× 136 0.5× 73 1.2k
Michel Chanon France 26 374 0.7× 490 1.1× 394 0.9× 1.6k 4.8× 132 0.5× 165 2.5k

Countries citing papers authored by Kevin Penfield

Since Specialization
Citations

This map shows the geographic impact of Kevin Penfield'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 Kevin Penfield with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kevin Penfield more than expected).

Fields of papers citing papers by Kevin Penfield

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kevin Penfield. 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 Kevin Penfield. The network helps show where Kevin Penfield may publish in the future.

Co-authorship network of co-authors of Kevin Penfield

This figure shows the co-authorship network connecting the top 25 collaborators of Kevin Penfield. A scholar is included among the top collaborators of Kevin Penfield 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 Kevin Penfield. Kevin Penfield is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

12 of 12 papers shown
1.
Penfield, Kevin, et al.. (2020). Challenges in polysorbate characterization by mass spectrometry. Rapid Communications in Mass Spectrometry. 34(S2). e8709–e8709. 8 indexed citations
2.
Penfield, Kevin, Albert Co, Gary L. Leal, Ralph H. Colby, & A. Jeffrey Giacomin. (2008). A Look Behind the Salt Curve: An Examination of Thickening Mechanisms in Shampoo Formulations. AIP conference proceedings. 1027. 899–901. 13 indexed citations
3.
Penfield, Kevin. (2005). A look behind the salt curve: the link between rheology, structure, and salt content in shampoo formulations. International Journal of Cosmetic Science. 27(5). 300–300. 4 indexed citations
4.
Patist, A., Sunil S. Bhagwat, Kevin Penfield, Patricia A. Aikens, & D. O. Shah. (2000). On the measurement of critical micelle concentrations of pure and technical‐grade nonionic surfactants. Journal of Surfactants and Detergents. 3(1). 53–58. 285 indexed citations
5.
Solomon, Edward I., Kevin Penfield, Andrew A. Gewirth, et al.. (1996). Electronic structure of the oxidized and reduced blue copper sites: contributions to the electron transfer pathway, reduction potential, and geometry. Inorganica Chimica Acta. 243(1-2). 67–78. 102 indexed citations
6.
Penfield, Kevin, John R. Miller, M. N. PADDON‐ROW, et al.. (1987). Optical and thermal electron transfer in rigid difunctional molecules of fixed distance and orientation. Journal of the American Chemical Society. 109(17). 5061–5065. 122 indexed citations
7.
Closs, G. L., et al.. (1986). Distance, stereoelectronic effects, and the Marcus inverted region in intramolecular electron transfer in organic radical anions. The Journal of Physical Chemistry. 90(16). 3673–3683. 465 indexed citations breakdown →
8.
Penfield, Kevin, Andrew A. Gewirth, & Edward I. Solomon. (1985). Electronic structure and bonding of the blue copper site in plastocyanin. Journal of the American Chemical Society. 107(15). 4519–4529. 197 indexed citations
9.
10.
Averill, Bruce A., N. Dennis Chasteen, Thomas R. Gilbert, et al.. (1983). Copper, Molybdenum, and Vanadium in Biological Systems. 14 indexed citations
11.
Penfield, Kevin, R.R. Gay, Richard S. Himmelwright, et al.. (1981). Spectroscopic studies on plastocyanin single crystals: a detailed electronic structure determination of the blue copper active site. Journal of the American Chemical Society. 103(15). 4382–4388. 108 indexed citations
12.
Craig, Norman C., et al.. (1980). Vibrational spectra and a potential function for the difluorocyclopropenyl-d0 and -d1 cations. The Journal of Physical Chemistry. 84(8). 899–906. 1 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.

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