Pramod Kumar Singh

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We report a new biopolymer electrolyte for dye sensitized solar cell application. To develop polymer electrolyte, potassium iodide have been added in agarose biopolymer matrix and characterized using various techniques like complex impedance spectroscopy, Infrared spectroscopy (IR), X-ray diffraction (XRD), scanning electron microscopy (SEM). Complex(More)
The Er3+ doped and Er3+/Yb3+ co-doped LaAlO3 phosphors have been synthesized by the combustion method and characterized their structural, morphological, elemental, vibrational and optical properties. The optical absorption and upconversion properties of the synthesized phosphors have been studied. Upon co-doping Yb3+ ions into Er3+:LaAlO3, the blue, green(More)
The rating and review based algorithms like collaborative filtering faces the cold start problem on addition of new items or new users in the recommender system because of lack of ratings and reviews. The primary aim of this work is to solve the cold start problem faced by rating based recommendation system and also increase the accuracy of recommender(More)
Big Data, more than ever, is playing a vital role in IT decision making, with such decisions increasingly moving towards being made in real-time. Organisations are optimizing service performance, better handling capacity across overall organisations, and effectively making decisions utilising operational analytics. Realizing the full value of business data(More)
Clustering is an unsupervised classification task of data mining. The high dimensional data sets generally comprise of irrelevant and redundant features also along with the relevant features, which deteriorate the clustering result. Therefore, to improve the clustering result, feature selection is necessary to select a subset of relevant features to improve(More)