The book covers the proceedings of International conference "Molecular and Nanoscale Systems for Energy Conversion". The monograph is including information about: Energy Poten Anaerobic Digestion of Wastes Produced in Russia Via Biogas and Microbial Fuel Cell Technologies; New Photovoltaic Composite Materials Based on Fullerene and Phthalocyanine Derivatives; Voltaic Effect in the Molecular Complexes of (Dtds)2 C60; Porphyrin Dyads with Potential Use In Solar Energy Conversion; Molecular Photovoltaic Systems Simulating Photosynthesis as Perspective Solar Energy Converters; Super-Rapid Processes From Higher Excited Singlet States of Tryptophan -- the Violation of the Vaviliov Low; Biosensor Approach To Assessment of Efficiency of Mediators for their Application in Microbial Biofuel Cells; The Quantum-Mechanical Model Superficial Atomic Hydrogenation Single-Wall Carbon Nanotube; Hybrid Silica-Zirconia Films Loaded with Titania Nanoparticles and Titania-Based Nanocontiners: Novel Materials for Thin-Film Photocatalysts and Photocontrollable Coatings; Power Characteristics of Microbial Fuel Cell Based on Gluconobacter Cell Suspension and 2,6-Dichlorophenolindophenol as Electron Transport Mediator; Photodestruction of Chlorophyll in Non-Biological Systems; The Current-Voltage Characteristic of Carbon Nanotubes in Non Linear Model; Characterisation of Photocatalytic Properties of Mesoporous Tio2 Prepared Using Templating Method; Hydrogen Atom as a Result of Dissociative Attachment of Low Energy Electrons (Below Ionisation Or Electronic Excitation Thresholds) in Frozen Aqueous Phosphate Solutions; Photoresponse of Colloidal Quantum Dots -- Conducting Sno2 Matrix Composite; Hybrid Titanium Oxide -- Polymer Nanostructured Composites For Energy Conversion Devices: Structure and Properties; Role of Glu181 in the Mechanism of Protonated Schiff Base Linkage Stabilisation in Dark-Adapted Visual Pigment Rhodopsin: Molecular Dynamics Simulation; Creating of a Laboratory Model Stand for Development of Oil Biodestruction Suppression Methods in Industrial and Natural Storages.