Bibliometric trend analysis on global graphene research
Scientometrics
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A change has been taking place in the world of nanotechnologies since 2009, marking the beginning of a new era of end consumer goods related to these new technologies. In this article, our aim is to know the dominant tendencies observed in scientific output on carbon nanotubes at centres and poles from different countries and considered to be at the forefront of nanotechnologies research. We have selected a sample comprised of eight universities and locally coherent concentrations from different geographic areas: Europe, America and Asia. Based on this sample, we have used the Scopus database to analyse scientific output on carbon nanotubes in order to determine if there are significant differences in behaviour. We observe that dynamics of scientific output on nanotubes are similar in the universities and clusters analysed over time although a drop in publications was noted in 2009 in part of the organizations included in the sample. We have seen a large amount of publications on graphene in the last several years, due to the fact that researchers working in the field of carbon nanotubes gradually move towards the study of graphene, explained by the high expectations concerning the use of this element. The results lead us to conclude that advances in knowledge on carbon nanotubes and graphene will make it possible to meet the growing needs of a new and powerful market for products that are progressively including these new elements.