2.5(top 20%)

2-year impact

2.7(top 20%)

3-year impact

2.8(top 20%)

5-year impact

2.3(top 20%)

10-year impact

4.1K(top 5%)

PR articles

109.8K(top 5%)

PR citations

122(top 5%)

PR h-index

130(top 5%)

h-index

2.7(top 20%)

extended IF

2.4(top 20%)

2-YI (article-only)

3.4(top 100%)

2-YI (review-only)

2.4(top 20%)

2-YI (no self-cite.)

4.4K

documents

127.1K

doc citations

Topics in Catalysis 2-year review impact factor — This chart shows the 2-year review impact factor of **Topics in Catalysis** over time and its percentile among journals. Only review articles are counted in both the numerator (citations) and denominator (citable items).

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How is the 2-year review impact calculated?

The 2-year review impact for year X equals the citations received in year X to review articles published in years X-1 and X-2, divided by the number of review articles published in those two years. Unlike the standard 2-year impact, only items classified as review articles are counted in both the numerator and denominator.

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Topics in Catalysis

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