Pankaj Kumar

TL;DR: In this article, a review of various approaches to achieve white light emission from organic light emitting diodes (OLEDs), their advantages, disadvantages and recent progress is presented.

TL;DR: In this paper, the authors reviewed the recent progress and future aspects of organic solar cells (OSCs) and discussed various parameters limiting their efficiency and their possible solutions, and the areas where further advances will help in the commercial realization of this technology.

TL;DR: In this paper, the major hydro-geochemical process and impacts of anthropogenic activities can be deciphered using multivariate statistical analysis, conventional graphical plots and saturation indices, which is the most important source of drinking waters supply in the National Capital Territory (NCT) of, New Delhi, India.

TL;DR: In this paper, the implications of linkages between the energy industry, urbanization, and population and especially highlights processes that can be affected by their interaction, and it is found that each of the three components operates in silos, especially in developing countries, and that this complex issue of nexus is not dealt with in a comprehensive way.

TL;DR: Results suggest that the groundwater is characterized by slightly alkaline pH with moderate to strong reducing nature, and the enrichment of arsenic is more prevalent in the proximity of the Ganges River, indicating that fluvial input is the main source of arsenic.