Jonathan V. Caspar

8.0k citations

54 papers · 7.0k indexed · 5 hit papers · h-index 32

Impact in

Physical and Theoretical Chemistry top 0.2%
- Photochemistry and Electron Transfer Studies
Materials Chemistry top 1%
- Lanthanide and Transition Metal Complexes
- Luminescence and Fluorescent Materials
- Porphyrin and Phthalocyanine Chemistry

Papers in

Physical and Theoretical Chemistry 15
- Photochemistry and Electron Transfer Studies 14
Electrochemistry 10
- Electrochemical Analysis and Applications 10

Co-authors: Thomas J. Meyer Edward M. Kober B. Patrick Sullivan V. Ramamurthy D. E. Cox Richard S. Lumpkin Jeffrey K. Nagle Bill Durham
Journals: Journal of the American Chemical Society (15 papers)Inorganic Chemistry (6 papers)The Journal of Physical Chemistry (4 papers)Applied Physics Letters (2 papers)Organometallics (2 papers)
Partner nations: United States Jordan

In The Last Decade

Jonathan V. Caspar

54 papers receiving 6.7k citations

Hit Papers

5 papers align trajectories log scale

Application of the energy gap law to excited-state decay of osmium(II)-polypyridine complexes: calculation of relative nonradiative decay rates from emission spectral profiles 1986 · 527 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1986 The Journal of Physical Chemistry
1983 The Journal of Physical Chemistry
1983 Journal of the American Chemical Society
1982 Journal of the American Chemical Society
1982 Journal of the American Chemical Society

Peers

Countries citing papers authored by Jonathan V. Caspar

Since Specialization

Citations

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

Fields of papers citing papers by Jonathan V. Caspar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jonathan V. Caspar. 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 Jonathan V. Caspar. The network helps show where Jonathan V. Caspar may publish in the future.

Co-authors

The 25 scholars most cited alongside Jonathan V. Caspar, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Jonathan V. Caspar Line = papers co-authored together Jonathan V. Caspar links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Optoelectronic characteristics of >9% efficient bilayered CuZnSn(S,Se)₄photovoltaic device physica status solidi (RRL) - Rapid Research Letters ·Wei Wu, Nancy G. Tassi, Yanyan Cao, Jonathan V. Caspar, Gerhard Rigoll, Lei Zhang	2015	8
2	Employing time-resolved terahertz spectroscopy to analyze carrier dynamics in thin-film Cu2ZnSn(S,Se)4 absorber layers Applied Physics Letters ·Glenn W. Guglietta, Kaushik Roy Choudhury, Jonathan V. Caspar, Jason B. Baxter	2014	23
3	Formation of Cu-Rich and Sn-Poor CZTSSe via Cu₃Sn(S,Se)₄-ZnS Solid-Solution as the Intermediate Chemistry of Materials ·Qijie Guo, Jonathan V. Caspar, Katherine E. Roelofs, Shekhar Subramoney, H. David Rosenfeld	2014	8
4	Effect of the selenization process on structural and device properties of nanoparticle-derived CZTSSe thin films Kaushik Roy Choudhury, Yanyan Cao, Jonathan V. Caspar, Qijie Guo, Lynda K. Johnson, I. Malajovich, Daniela R. Radu, H. David Rosenfeld, L. A. Silverman, Wei Wu	2013	2
5	A simple solution-based route to high-efficiency CZTSSe thin-film solar cells Qijie Guo, Yanyan Cao, Jonathan V. Caspar, W. E. Farneth, Alex S. Ionkin, Lynda K. Johnson, Meijun Lu, I. Malajovich, Daniela R. Radu, Kaushik Roy Choudhury, H. David Rosenfeld, Wei Wu	2012	16
6	Characterization and understanding of performance losses in a highly efficient solution-processed CZTSSe thin-film solar cell Kaushik Roy Choudhury, Yanyan Cao, Jonathan V. Caspar, W. E. Farneth, Qijie Guo, Alex S. Ionkin, Lynda K. Johnson, Meijun Lu, I. Malajovich, Daniela R. Radu, H. David Rosenfeld, Wei Wu	2012	8
7	High-Efficiency Solution-Processed Cu₂ZnSn(S,Se)₄Thin-Film Solar Cells Prepared from Binary and Ternary Nanoparticles Journal of the American Chemical Society ·Yanyan Cao, Michael S. Denny, Jonathan V. Caspar, W. E. Farneth, Qijie Guo, Alex S. Ionkin, Lynda K. Johnson, Meijun Lu, I. Malajovich, Daniela R. Radu, H. David Rosenfeld, Kaushik Roy Choudhury, Wei Wu	2012	300
8	Excited State Interactions in Electropolymerized Thin Films of Ru^II, Os^II, and Zn^II Polypyridyl Complexes The Journal of Physical Chemistry A ·Martin Devenney, Laura A. Worl, Jenny-Marie Jeanmougin-Goode, Ana R. Guadalupe, B. Patrick Sullivan, Jonathan V. Caspar, Qingchao Liu, L.P. Wang, Thomas J. Meyer	1997	29
9	Electrochemical studies of a hexaarylbiimidazole Journal of Electroanalytical Chemistry ·Iván Ricardo Morales Chinome, Dennis H. Evans, Jonathan V. Caspar	1996	24
10	ESR Study of Lophyl Free Radicals in Dry Films Macromolecules ·Jonathan V. Caspar, I. V. Khudyakov, Nicholas J. Turro, Gregory C. Weed	1995	33
11	Photophysical Studies of Organic Molecules Included Within Zeolites Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals ·V. Ramamurthy, Jonathan V. Caspar	1992	17
12	Modification of photochemical reactivity by zeolites: Arrested molecular rotation of polyenes by inclusion in zeolites Journal of Photochemistry and Photobiology A Chemistry ·V. Ramamurthy, Jonathan V. Caspar, D. E. Cox, D. F. EATON, H. van Keer, Cecil Dybowski	1990	27
13	Photochemistry of metal-metal bonds Chemical Reviews ·Thomas J. Meyer, Jonathan V. Caspar	1985	255
14	Long-lived reactive excited states of zero-valent phosphine, phosphite, and arsine complexes of nickel, palladium and platinum Journal of the American Chemical Society ·Jonathan V. Caspar	1985	94
15	Synthetic routes to luminescent 2,2'-bipyridyl complexes of rhenium: preparation and spectral and redox properties of mono(bipyridyl) complexes of rhenium(III) and rhenium(I) Inorganic Chemistry ·Jonathan V. Caspar, B. Patrick Sullivan, Thomas J. Meyer	1984	117
16	ChemInform Abstract: METALLOPOLYMER PHOTOCHEMISTRY. PHOTOPHYSICAL, PHOTOCHEMICAL AND PHOTOELECTROCHEMICAL PROPERTIES OF (BPY)2RUII SITES BOUND TO POLY(4‐VINYLPYRIDINE) Chemischer Informationsdienst ·Jeffrey M. Calvert, Jonathan V. Caspar, Robert A. Binstead, T. David Westmoreland, Thomas J. Meyer	1983	8
17	Photochemistry of tris(2,2'-bipyridine)ruthenium(2+) ion (Ru(bpy)32+). Solvent effects Journal of the American Chemical Society ·Jonathan V. Caspar, Thomas J. Meyer Hit paper breakdown →	1983	819
18	Application of the energy gap law to nonradiative, excited-state decay The Journal of Physical Chemistry ·Jonathan V. Caspar, Thomas J. Meyer Hit paper breakdown →	1983	881
19	Photochemistry of tris(2,2'-bipyridine)ruthenium(2+) ion Journal of the American Chemical Society ·Bill Durham, Jonathan V. Caspar, Jeffrey K. Nagle, Thomas J. Meyer Hit paper breakdown →	1982	487
20	Metallopolymer photochemistry. Photophysical, photochemical and photoelectrochemical properties of (bpy)2RuII sites bound to poly(4-vinylpyridine) Journal of the American Chemical Society ·Jeffrey M. Calvert, Jonathan V. Caspar, Robert A. Binstead, T. David Westmoreland, Thomas J. Meyer	1982	152

About Jonathan V. Caspar

Jonathan V. Caspar is a scholar working on Physical and Theoretical Chemistry, Electrochemistry, Bioengineering, Organic Chemistry and Materials Chemistry, having authored 54 papers that have together received 7.0k indexed citations. Recurring topics across this work include Photochemistry and Electron Transfer Studies (14 papers), Quantum Dots Synthesis And Properties (12 papers), Chalcogenide Semiconductor Thin Films (11 papers), Metal complexes synthesis and properties (10 papers), Electrochemical Analysis and Applications (10 papers), Molecular Junctions and Nanostructures (8 papers), Copper-based nanomaterials and applications (8 papers) and Inorganic and Organometallic Chemistry (8 papers). The work is most often cited by research in Physical and Theoretical Chemistry (1.3k citations), Materials Chemistry (3.9k citations), Electrochemistry (507 citations), Organic Chemistry (2.1k citations) and Oncology (2.0k citations). Jonathan V. Caspar has collaborated with scholars based in United States and Jordan. Frequent co-authors include Thomas J. Meyer, Edward M. Kober, B. Patrick Sullivan, V. Ramamurthy, D. E. Cox, Richard S. Lumpkin, Jeffrey K. Nagle, Bill Durham, Thomas J. Meyer and D. F. EATON. Their work appears in journals such as Journal of the American Chemical Society, Inorganic Chemistry, The Journal of Physical Chemistry, Applied Physics Letters and Organometallics.

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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