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Title: A three-dimensional photonic-crystal emitter for thermal photovoltaic power generation.

Journal Article · · Proposed for publication in Applied Physics Letters.

A three-dimensional tungsten photonic crystal is experimentally realized with a complete photonic band gap at wavelengths {lambda} {ge} 3 {micro}m. At an effective temperature of <T> {approx} 1535 K, the photonic crystal exhibits a sharp emission at {approx}1.5 {micro}m and is promising for thermal photovoltaic (TPV) power generation. Based on the spectral radiance, a proper length scaling and a planar TPV model calculation, an optical-to-electric conversion efficiency of {approx}34% and electrical power of {approx}14 W/cm{sup 2} is theoretically possible.

Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
OSTI ID:
958381
Report Number(s):
SAND2003-1184J; TRN: US201002%%23
Journal Information:
Proposed for publication in Applied Physics Letters., Journal Name: Proposed for publication in Applied Physics Letters.
Country of Publication:
United States
Language:
English