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Organic Thin-Film Transistors

Methodology

The idea of thin-film transistors based on organic materials is now over 20 years old, during which time the technology has evolved from laboratory curiosity to real-world applications. The promise of ultra-low-cost, lightweight, flexible electronic devices means that the organic thin-film transistor may someday be as ubiquitous as its silicon-based competitor.

Our Special Topics ranking of the most influential papers of the past decade is led by a seminal 1999 review article in Nature—"Electroluminescence in conjugated polymers" (Friend RH, et al., Nature 397[6715]: 121-8, 14 January 1999)—that was coauthored by 11 of the field's leading innovators and has since racked up almost 2,000 citations. Other hot papers of the decade include a half-dozen review articles charting the evolution of the field, another five on the molecular, electronic, and chemical characteristics of pentacene-based thin-film transistors, and articles on such applications as paper-like electronic displays and high-performance all-polymer integrated circuits.

The compilation of the hottest papers over the last two years is much more democratic and has yet to reveal a definitive pattern. Several review papers discuss advances in organic field-effect transistors, while others characterize the performance and characteristics of thin-film transistors based on semiconductors of a dizzying variety of organic materials.

Methodology

To construct this database, papers were extracted based on topic-supplied keywords for Organic Thin-Film Transistors. The keywords used were as follows: 

organic Thin-Film transistor* OR organic field effect transistor*

The baseline time span for this database is 1997-February 28, 2007. The resulting database contained 2,199 (10 years) and 1,141 (2 years) papers; 4,860 authors; 51 countries; 250 journals; and 980 institutions.

Rankings

Once the database was in place, it was used to generate the lists of top 20 papers (two- and ten-year periods), authors, journals, institutions, and nations, covering a time span of 1997-February 28, 2007 (first bimonthly, a 10-year plus 2-month period).

The top 20 papers are ranked according to total cites. Rankings for author, journal, institution, and country are listed in three ways: according to total cites, total papers, and total cites/paper. The paper thresholds and corresponding percentages used to determine scientist, institution, country, and journal rankings according to total cites/paper, and total papers respectively are as follows:

Entity: Scientists Institutions Countries Journals
Thresholds: 16 9 8 15
Percentage: 1% 1% 50% 10%

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