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The working electrode is considered a major component of the dye-sensitized solar cell (DSSC) to influence the efficiency and morphology attributes in different high-tech applications. This study presents the fabrication of flexible composite sheets of titanium dioxide (TiO2) by incorporation of natural lignocelluloses fibers extracted from the self-growing plant, Typha Angustifolia to address the inherent rigid structure and superior absorption properties of the working electrode. Furthermore, fabricated TiO2 based composites were characterized by scanning electron microscope (SEM), Fourier transforms infrared (FTIR), ultraviolet-visible (UV–vis) spectroscopy and employed as a working electrode for DSSC after deposition on fluorine doped tin oxide (FTO) glass substrate. SEM morphology reveals that LC fibers acted as a thread to bind the TiO2 nanoparticles and also with better voids for adsorption of electrolyte whereas FTIR spectroscopy confirms the successful formation of the paper composite. J-V measurements reveal the high efficiency of 2.95% for TiO2/LC flexible and environmentally safe composite which can be feasible for modern bendable DSSC.

This paper reported an electrochemical potentiometric glucose biosensor, developed by immobilizing glucose oxidase on an electrode consisting of Au/Ni/Au nanowires. Electrochemically deposited nanowires are bridged between two gold electrodes. Field emission scanning electron microscope (FESEM) and energy-dispersive x-ray spectroscopy (EDS) are used for the morphological characterization of nanostructures. The device is tested by electrochemical potentiometric and simple IV measurement techniques. In order to check the glucose potentiometric response, nanowires are coated with enzyme, glucose oxidase which revealed a glucose dependant electrochemical response versus reference electrode (Ag/AgCl). Electrochemical response of the sensor is found to be linear in range of 0.5?10 mM. Fabrication of Au/Ni/Au nanowires by facile method will provide the opportunity for glucose biosensors to measure glucose by simple and direct technique.

In era of modern disposable and bendable energy storage technology, flexible and environmentally safe electrodes are extremely feasible. This study elaborates the synthesis of highly flexible and stretchable polymer gel membrane by covalently cross linking of chitosan (CS) and poly vinyl alcohol (PVA) immobilized MnO2 for efficient, light-weight and cost-effective energy storage technologies. Fourier transform infrared spectroscopy (FTIR) revealed the existence of CS/PVA as well as MnO2 in original form without any chemical change. 3-dimensional morphology including porosity of the presented fabricated membranes are examined by scanning electron microscopy (SEM). Presented CS/PVA based MnO2 membranes were bendable and can be cut in any shape by the simple usage of scissor to employ by means of working electrode. Furthermore, electrochemical behaviour was tested by cyclic voltammetry (CV) and Galvanostatic charge/discharge (GCD) measurements in neutral/acidic electrolytes. CS/PVA based MnO2 membranes showed excellent capacitive behaviour with specific capacitance of ~140 F g−1. GCD measurements also verified efficient kinetics of charging/discharging at low and high current rates as curves were symmetric. Presented flexible and electroactive CS/PVA based MnO2 membranes will be highly suitable candidates for bendable electrode material in modern high-tech flexible energy storage devices.