Nano-energy research trends: bibliometrical analysis of nanotechnology research in the energy sector |
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Authors: | Ana Menéndez-Manjón Kirsten Moldenhauer Philipp Wagener Stephan Barcikowski |
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Institution: | 1.Laser Zentrum Hannover e.V.,Hannover,Germany;2.University of Duisburg-Essen, Chair of Technical Chemistry I,Essen,Germany |
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Abstract: | Nano-energy, the part of nanotechnology dedicated to the study and improvement of the Energy Supply Sector, is a promising
and perspective research field. A robust method to quantify international scientific activities in this field is the literature
search. An evaluative bibliometric approach applied to the Science Citation Index has been done to retrieve a set of articles
related to nano-energy and get knowledge of the direction and trends followed by this particular scientific topic. The resulting
database showed an exponential increase of the number of publications issuing nano-based investigations in the energy sector
in the last decade, accelerating to an annual growth rate of 1,100%. The most cited articles and the material-clustering protocol
revealed that carbon-nanoelements and their application in solar energy harvesting and conversion, and energy storage devices
have been principally investigated and represent the main focus in that continuously growing research field. The number of
nanotechnology-related papers in the energy database increased monotonically for harvesting, conversion, and storage the last
decade, being energy distribution and usage not affected. TiO2 or SnO2 nanoparticles or thin films, and nanocomposites occupied the following top positions in the investigated material ranking.
This trend was constant along the decade, as confirmed by network analyses. Supported by discipline-clustering, we observed
the fundamental character of the research developed between 2000 and 2009, relying mainly on material science and chemistry.
Hence, further implementation of nanotechnology findings is needed to stimulate nano-based energy-focused technologies reaching
widespread commercial applications. |
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