A Multi-topic International Conference
UNCC_Honet logo_HONET    
11th HONET-PfE
Charlotte, North Carolina, USA
December 15 - 17, 2014 
     
Dr. Rajendra Singh
D. Houser Banks Professor

Prof., ECE Department,
Clemson University, SC, USA                  
srajend@clemson.edu

Title:
EMERGING REVOLUTIONY ROLE OF PHOTOVOLTAICS (PV) IN ENERGY SECTOR AND R &D DIRECTIONS FOR FURTHER COST REDUCTION OF ELECIRICTY GENTED BY PV

Abstract:

With the advent of low-cost solar panels and our ability to generate, store and use electrical energy locally without the need for long-range transmission, the world is about to witness transformational changes in electricity infrastructure. The six D's driver of photovoltaics (PV) revolution are: digitized, deceptive, and disruptive dematerialized, demonetized, and democratized (Click Here). The use of PV as source of direct current (DC) power reduces the cost and improves the reliability of PV system. DC microgrid and DC nanogrid based on PV and battery storage can provide sustainable electric power to all human beings in equitable fashion. The electricity industry in developed economies is on the cusp of a dramatic transformation driven by a series of changes that includes emergence of rooftop solar and battery storage as the dominant distributed generation source, real time grid monitoring, emergence of microgrid and nanogrid in place of integrated electric grid, improved energy efficiency, advantages of direct current in place of alternating current, cyber and grid security, climate control and weather tolerant electric infrastructures. The continuous decrease in the cost of photovoltaics (PV) generated electricity is now making it possible to eradicate global energy poverty. Globally, the cumulative installed photovoltaic (PV) capacity has topped the 100-gigawatt (GW) milestone at the end of year 2012 and is expected to reach 200 GW by the end of this year. .Over 90 % of PV market share consists of non-concentrator bulk silicon solar cells. The maximum experimental efficiency of silicon solar cells is 25.6 % measured at standard conditions of AM 1.5 global spectrum. . Although the observed efficiency of silicon solar cells is below the Shockley and Queisser (SQ) upper limit, marginal efficiency improvements are expected in future. For increasing the efficiency of single-junction cells beyond the Shockley-Queisser limit, several approaches based on concepts such as multiple exciton generation, carrier multiplication, hot-carrier extraction, etc., have been proposed; however, these are not commercially viable. Since both bulk-silicon and thin-film (amorphous silicon, cadmium telluride, and copper indium gallium selenide) solar cells remain as the only two commercially viable options for terrestrial PV applications, a multi-terminal multi-junction architecture appears promising for (Click Here) inexpensive PV electricity generation with efficiency exceeding the currently feasible 25%. The architecture exploits the present commercial silicon solar cells along with abundant and ultra-low-cost materials such as Copper oxide. The key objective of this paper is to highlight the specific research areas in device design, materials, processing and manufacturing of photovoltaic devices and systems that have further transformational capabilities.

Short Biography:

Rajendra Singh earned his Ph. D. degree in Physics from McMaster University in 1979. Currently he is D. Houser Banks professor in the Holcombe Department of Electrical and Computer Engineering and director of the Clemson University (USA) Center for Silicon Nan electronics. With proven success in operations, project/program leadership, R&D, product/process commercializ-ation, and start-ups, Dr. Singh is a leading semiconductor and photovoltaic (PV) expert with over 35 years of industrial and academic experience of semiconductor and photovoltaic industries From solar cells to low power electronics, he has led the work on semiconductor and photovoltaic device materials and processing by manufacturable innovation and defining critical path.

   He has published over 350 papers in various journals and conference proceedings. He has presented over 50 keynote addresses and invited talks in various national and international conferences. Currently he is serving as editor of IEEE Journal of Electron Devices and Chair of IEEE EDS Technical Committee on Semiconductor Manufacturing He is Fellow of IEEE, SPIE, AAAS, and ASM. Dr. Singh has received a number of international awards. Photovoltaics World (October 2010) selected him as one of the 10 Global "Champions of Photovoltaic Technology". Dr. Singh is 2014 recipient of the SPIE Technology Achievement Award. In April 2014, he was honored by US President Barack Obama as a White House "Champion of Change for Solar Deployment" for his leadership in advancing solar energy with PV technology

DrRajendra
       
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