We analyze the evolution of the international collaboration network in photovoltaic research. Using data on scientific publications for the period 1980-2015, we apply social network analysis to trace the evolution of the global network of countries and national research networks of...

Photovoltaic (PV) technology, as a low-carbon energy technology, is crucial to mitigating climate change and achieving sustainable development. China has the largest total number of PV technology patents in the world, but the lack of core technologies has restricted the further innovative...

Social embeddedness appears to be a promising way to analyze knowledge collaborations, notably to better understand their build up and their spatial patterns. Nevertheless, measurement problems and an over-territorialized conception of the notion exist. When studying the formation of these...