影响因子算是学术界最牵动人心的“股票”了，就在今天，这支股票开盘了，2021年SCI期刊影响因子（JCR2020）终于正式出炉了！
CA-A CANCER JOURNAL FOR CLINICIANS, IF: 508.702 (去年: 292.278).
点评：10多年来，榜首的位置就没变过，不过过去这一年IF差不多翻倍了，也是厉害了。
Nature, IF: 49.962 （去年: 42.778）
Science, IF: 47.728 (去年: 41.845)
Cell, IF：41.582（去年:38.637）
点评：这三个其实已经无所谓影响因子了，再涨再跌，who cares, 能发就是牛！
Nature Catalysis, IF: 41.813 (去年: 30.471）
Joule, IF: 41.248 (去年: 27.054）
Energy & Environmental Materials, IF: 15.122
此外，Chem的IF三连涨，今年为22.804，逼近其目标期刊Nature Chemistry (IF: 24.427)
Nature Energy, IF: 60.858
Nature Materials, IF: 43.841
Nature Nanotechnology, IF: 39.213
Nature Reviews Materials, IF: 66.308
Nature Reviews Chemistry, IF: 34.035
Nature Sustainability, IF: 19.346
Nature Communications, IF: 14.919
Chemical Reviews, IF: 60.622
Chemical Society Reviews, IF: 54.564
Accounts of Chemical Research, IF: 22.384
Science Advances, IF: 14.136
Energy & Environmental Science, IF: 38.532
Materials Horizons, IF: 13.266
Journal of Materials Chemistry A, IF: 12.732
Nanoscale Horizons, IF: 10.989
GREEN CHEMISTRY, IF: 10.182
Chemical Science, IF: 9.825
CHEMICAL COMMUNICATIONS, IF: 6.222
Advanced Materials, IF:30.849
Advanced Energy Materials, IF:29.368
Advanced Functional Materials, IF:18.808
Advanced Science, IF:16.806
ACS Energy Letter, IF: 23.101
ACS Central Science, IF: 14.553
CHEMISTRY OF MATERIALS, IF: 9.811
Materials Today, IF: 31.041
Energy Storage Materials, IF:17.789
Electrochemical Energy Reviews, IF:28.905
Signal Transduction and Targeted Therapy, IF: 18.187
Light-Science & Applications, IF: 17.782
National Science Review, IF:17.275
Nano-Micro Letters, IF:16.419
Molecular Plant, IF:13.164
Science Bulletin, IF:11.78
Journal of Energy Chemistry, IF: 9.676
Science China Chemistry, IF: 9.445
Nano Research, IF: 8.897
Science China Materials, IF: 8.273
Chinese Journal of Catalysis, IF: 8.271
Green Energy & Environment, IF: 8.207
Journal of Materials Science & Technology, IF: 8.067
Chinese Chemical Letters, IF: 6.779
CHINESE JOURNAL OF CHEMISTRY, IF: 6.000
点评：国产期刊大丰收，影响因子已经起飞了！这是好事，希望国产期刊越来越好，不仅仅是影响因子大涨，在影响力，论文质量上也能跻身前列！
Nature Catalysis，IF: 41.813
Catalysis Reviews-Science and Engineering，IF:20.217
Applied Catalysis B-Environmental，IF:19.503
Chinese Journal of Catalysis，IF: 8.271
Journal of Catalysis，IF: 7.920
Catalysis Today，IF: 6.766
Catalysis Science & Technology，IF: 6.119
Advanced Synthesis & Catalysis，IF: 5.837
Applied Catalysis A-General，IF: 5.706
Molecular Catalysis，IF: 5.062
Advances in Catalysis，IF: 4.900
Catalysis Communications，IF: 3.626
Catalysis Letters，IF: 3.186
Catalysis Surveys from Asia，IF: 3.106
Topics in Catalysis，IF: 2.910
Electrocatalysis，IF: 2.713
Biocatalysis and Biotransformation，IF: 2.181
Reaction Kinetics Mechanisms and Catalysis，IF: 2.081
点评：国产期刊Chinese Journal of Catalysis的IF正式超过Journal of Catalysis了，可喜可贺！希望CJC越来越好，不论IF还是论文质量都能成为催化领域的翘楚！当然啦，在这里也呼吁大家多多支持国产期刊，将好的催化类研究投稿到CJC！研之成理将一如既往地配合CJC做好宣传推广工作，让大家的论文受到更多同行的关注！
https://jcr.clarivate.com/JCRJournalHomeAction.action
链接:
https://pan.baidu.com/s/19vHw85aceKognw4TE8jA3Q
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