Gregory S. O’Brien

About

Gregory S. O’Brien is a scholar working on Renewable Energy, Sustainability and the Environment, Biomedical Engineering and Electrical and Electronic Engineering. According to data from OpenAlex, Gregory S. O’Brien has authored 12 papers receiving a total of 423 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Renewable Energy, Sustainability and the Environment, 4 papers in Biomedical Engineering and 3 papers in Electrical and Electronic Engineering. Recurrent topics in Gregory S. O’Brien’s work include Photovoltaic System Optimization Techniques (5 papers), Membrane Separation Technologies (3 papers) and Photovoltaic Systems and Sustainability (3 papers). Gregory S. O’Brien is often cited by papers focused on Photovoltaic System Optimization Techniques (5 papers), Membrane Separation Technologies (3 papers) and Photovoltaic Systems and Sustainability (3 papers). Gregory S. O’Brien collaborates with scholars based in United States, Singapore and China. Gregory S. O’Brien's co-authors include Tai‐Shung Chung, Jian‐Min Zuo, J. L. Willett, Jian Chang, Liling Zhang, Tao Cai, Yu Tang, Sherald H. Gordon, George F. Fanta and Laura S. Bruckman and has published in prestigious journals such as Journal of Membrane Science, Solar Energy and Solar Energy Materials and Solar Cells.

In The Last Decade

Co-authorship network of co-authors of Gregory S. O’Brien i

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Fields of papers citing papers by Gregory S. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gregory S. O’Brien. 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 Gregory S. O’Brien. The network helps show where Gregory S. O’Brien may publish in the future.

Countries citing papers authored by Gregory S. O’Brien

Since Specialization

Citations

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

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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