1. What is Nanionics? Nanoionics centers on the manipulation of space charge at ionic interfaces or junctions to control ionic conduction. Our Vision: Explore/exploit nanoionic effects to create the next generation of ionic materials/devices. AAAAAAAAAAAAAAAAAAAAAAAA Renewable Energy Materials Research Science and Engineering Center (REMRSEC) NSF MRSEC DMR-0820518 P. C. Taylor, R. T. Collins, A. Herring, C. Koh. B. Olds (Co-PI’s) IRG2: Advanced Membranes for Energy Applications Membranes play a critical role in renewable energy technologies Current membranes are a weak link in many applications A fundamental understanding of ionic transport is essential to make transformative changes in membrane materials IRG1: Materials for Next Generation Photovoltaics PV electric power today is more expensive than coal Incremental changes in materials will not get us where we need to go A fundamental understanding of nanostructured and other PV materials is essential to make transformative changes in solar panels This goal requires understanding and controlling carrier relaxation rates in quantum confined systems Seed Project: Clathrate Hydrates and Silicon Clathrates for Storage of Fuels Current storage materials are a weak link in all applications A fundamental understanding of the incorporation of guest molecules in clathrate hydrates is essential to make transformative changes in these storage materials Outreach to students and the community Promotion of diversity in faculty, students, and future students REMRSEC Vision Research and Engineering Innovative and transformative research and engineering on materials for renewable energy applications Human Resource Development Education of the next generation of renewable energy professionals Goals: Education, Human Resources, and Diversity Prepare undergraduate and graduate students to embark on careers in renewable energy fields Provide undergraduate and graduate students with research experiences in renewable energy Expose K-12 teachers and students to concepts of renewable energy Improve the recruitment and retention of female and minority undergraduate and graduate students and faculty Accomplishments: Education, Human Resources, and Diversity Development of Renewable Energy Minor Successful REU program in renewable energy Successful K-12 teacher workshop on renewable energy curricula First joint RFEMRSEC-NREL hire c-Si Collect Particles onto a Substrate Control Particle Size & Distribution Growth of 3-D Superlattice Structures Synthesize Nanoparticles Embed Particles in an Oxide Matrix Decouple Nanocrystal Synthesis from Matrix Encapsulation Process Size Control of Si NCs Blue shift observed due to decrease in Si NC core size due to oxication Change in PL peak position with rf power: Si NC size decreases with increasing power UV off UV on SiO x Organic Photovoltaics ZnO nanowire/polymer bulk heterojunctions OPVs Interface functionalization and device optimization New organic absorbers (dendrimers) and acceptors (trimetaspheres) Manufacturable deposition techniques – inkjet, spray without ODT with ODT Addressing Ionic Transport via Nanoionics “Superionoc” Hybrid Overview “Ionic hybrids” - Novel composite ionic materials based on combination of proton conducting oxides and hydrogen permeable metals Work function difference between the oxide and metal creates space charge layer Enhance proton conductivity Schematic diagram of diffusion of protons in the SCL Ionic Transistor: Proof-Of Concept Macro-scale room temperature ionic FET has been built Modulation of ionic conductivity analogous to electronic FET Provides proof-of-concept Utilize to verify/study the effects of nanoionic space charge phenomena Research plan for Micro-scale solid state ionic FET Modeling IRG1: Materials for Next Generation Photovoltaics PV electric power today is more expensive than coal Incremental changes in materials will not get us where we need to go A fundamental understanding of nanostructured and other PV materials is essential to make transformative changes in solar panels This goal requires understanding and controlling carrier relaxation rates in quantum confined systems Renewable Energy Materials Research Science and Engineering Center (REMRSEC) NSF MRSEC DMR-0820518 P. C. Taylor, R. T. Collins, A. Herring, C. Koh. B. Olds (Co-PI’s) IRG2: Advanced Membranes for Energy Applications Membranes play a critical role in renewable energy technologies Current membranes are a weak link in many applications A fundamental understanding of ionic transport is essential to make transformative changes in membrane materials IRG1: Materials for Next Generation Photovoltaics PV electric power today is more expensive than coal Incremental changes in materials will not get us where we need to go A fundamental understanding of nanostructured and other PV materials is essential to make transformative changes in solar panels This goal requires understanding and controlling carrier relaxation rates in quantum confined systems Seed Project: Clathrate Hydrates and Silicon Clathrates for Storage of Fuels Storage plays a critical role in renewable energy technologies Current storage materials are a weak link in all applications A fundamental understanding of the incorporation of guest molecules in clathrate hydrates is essential to make transformative changes in these storage materials Outreach to students and the community Promotion of diversity in faculty, students, and future students REMRSEC Vision Research and Engineering Innovative and transformative research and engineering on materials for renewable energy applications Human Resource Development Education of the next generation of renewable energy professionals