02129nas a2200205   4500008004100000022001400041245013500055210006900190260007100259300001200330490000800342520131900350100002301669700002301692700001801715700002001733700002401753700002101777856012501798       2016                        eng d  a1932-744700aPb2+-N bonding chemistry: recycling of polyaniline-pb nanocrystals waste for generating high-performance supercapacitor electrodes0 aPb2N bonding chemistry recycling of polyanilinepb nanocrystals w  a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcJAN  a911-9180 v1203 a<p>Understanding of Pb-N bonding chemistry is not only fundamentally important in the view of relativistic inert-pair effect but also is important for therapeutic as well as environmental applications. In the present study, an unusual reactivity of N-containing pi-conjugated polyaniline emeraldine base (EB) toward aqueous Pb2+ ions has been identified. In the course of sequestering Pb2+ ions by EB, cuboid-shaped nanocrystals were isolated. Synchrotron-based X-ray absorption near-edge structure and extended X-ray absorption fine structure techniques were employed to understand Pb-N bonding chemistry in EB-Pb nanocrystals. The adopted methodology of slow exposure of HCl vapor to EB-Pb nanomaterial facilitated the isolation of polyaniline emeraldine-salt (ES) with unique morphological patterns, porosity and electrical conductivity. The electrochemical device based on recycled ES showed high-capacitance value (similar to 606 F/g @1 A/g and similar to 663 F/g @10 mV/s), high-energy density (similar to 14.8 Wh/kg at power density of similar to 663 W/kg) and excellent-cycling stability (only similar to 15% degradation after 1100 continued cycles at current density of 5 A/g). Notably, ES materials prepared directly from EB and upon exposing HNO3 vapor exhibited greatly inferior device performance.</p>1 aJha, Plawan, Kumar1 aSingh, Santosh, K.1 aGatla, Suresh1 aMathon, Olivier1 aKurungot, Sreekumar1 aBallav, Nirmalya  uhttps://library.ncl.res.in/content/pb2-n-bonding-chemistry-recycling-polyaniline-pb-nanocrystals-waste-generating-high-0