Table 1.

Bibliometric articles found in the scientific literature that approaches solar PV energy.

Author(s)	Name of publication journal	Article Title	Object
Du, Li, Brown, Peng and Shuai [26]	Renewable Energy	A bibliographic analysis of recent solar energy literatures: The expansion and evolution of a research field	The main objective of this paper is investigate the characteristics of the solar energy literature from 1992 to 2011 and its implication using bibliometric techniques taking into account solar energy's expanding and shifting focus.
Paulo and Porto [27]	Energy Policy	Solar energy technologies and open innovation: A study based on bibliometric and social network analysis	The study aims to identify the development of solar energy technologies through open innovation.
Naves, Barreneche, Fernández, Cabeza, Haddad and Boer [28]	Solar Energy	Life cycle costing as a bottom line for the life cycle sustainability assessment in the solar energy sector: A review	The study aims to prove that the Solar Energy sector, that deals with one of the most important renewable energy resources, has been a close relationship with Life cycle costing.
Calderón, Barreneche, Hernández-Valle, Galindo, Segarra and Fernández [29]	Solar Energy	Where is Thermal Energy Storage (TES) research going? – A bibliometric analysis	The main objective of this paper is to provide an overview of the history of solar thermal energy storage research and development, by using bibliometric methods.