'Solar spectrum' presentation slideshows

Solar Spectrum

1.05k views • 91 slides

Using molecules to capture solar energy

Using molecules to capture solar energy. Timothy Schmidt. The solar spectrum. 1000 W/m 2. Light is made of photons. Planck constant. Speed of light. Energy of photon. Wavelength. The solar spectrum. High energy photons. Low energy photons. Electrons absorb photons, get energy.

569 views • 38 slides

547 views • 37 slides

The Effect of Dopants on TiO 2 Solar Cell Efficiency Mini Project Presentation FS09

The Effect of Dopants on TiO 2 Solar Cell Efficiency Mini Project Presentation FS09. E. Buitrago Advisors: Dr. A. Teleki and A. Tricoli Particle Technology Laboratory Swiss Federal Institute of Technology (ETHZ). Overview. Introduction Global energy problem Solar Cell possibilities

412 views • 31 slides

High performance silicon solar cells

High performance silicon solar cells. Gabriela Bunea Ph.D. SunPower Corporation. Outline. Background SunPower brief history High efficiency solar cells High volume manufacturing Future directions. Questions often heard from the general public.

534 views • 31 slides

Episode II

Episode II. Neutrino: a spy of the innermost solar interior Nuclear reactions in the Sun and solar neutrinos. The spy of nuclear reactions in the Sun. The real proof of the occurrence of nuclear processes is in the detection of reaction products (holds for Sun & Earth)

445 views • 30 slides

A Bioengineering Approach to Environmental Remediation

R829601. A Bioengineering Approach to Environmental Remediation. Daniel Strongin 1 , Trevor Douglas 2 , and Martin A. Schoonen 3 (1) Department of Chemistry, Temple University, 1901 N. 13th St., Philadelphia, PA

335 views • 26 slides

Solar-Scatter Reflectors for SNAP Calibration Verification

Solar-Scatter Reflectors for SNAP Calibration Verification. M.Lampton UCB SSL 20 March 2002 amended 29 March & 5 April 2002. The Concept. SNAP requires frequent (monthly?) recalibration to establish wavelength dependent throughput

352 views • 21 slides

Spectrochemical Analysis

Spectrochemical Analysis. Electromagnetic Radiation. Energy propagated by an electromagnetic field, having both particle and wave nature. Photon.

1.39k views • 19 slides

Making Solar Cells

Making Solar Cells. Prof. D. Venkataraman (DV) Department of Chemistry UMass Amherst dv@chem.umass.edu http://thedvgroup.com UMass Amherst. Why Care about Photovoltaic Cells?. US needs ~98 Quads of Energy. 68% Waste. Units of Energy. Energy

368 views • 17 slides

273 views • 17 slides

Ocean Optics Red Tide VIS-NIR Spectrometer

Ocean Optics Red Tide VIS-NIR Spectrometer. Candle Flame. Incandescent Light Bulb. Red Incandescent Bulb. Green Incandescent Bulb. Solar Spectrum with Fraunhofer Lines. Fe. He&Na. Mg. H. Fe. O 2. Fe. H. H. Ca. H. O 2. Fe&Ca. H 2 O. Ca. O 2. Ca.

456 views • 17 slides

Effect of variation of water vapour amount on derived TOA solar spectrum

Effect of variation of water vapour amount on derived TOA solar spectrum. Kaah Menang, Liam Tallis , Igor Ptashnik and Keith Shine. Outline. Derived TOA solar spectra from Camborne Effect of Changing water vapour amount on derived TOA solar spectra Discussion and future work.

277 views • 14 slides

Lessons from the Sun: a G2 Dwarf Star in the Disk of the Milky Way

Lessons from the Sun: a G2 Dwarf Star in the Disk of the Milky Way. Carlos Allende Prieto McDonald Observatory Univ. of Texas at Austin. Introduction The Sun as a Physics laboratory: - neutrinos and seismology - relativity - atomic data

279 views • 14 slides

Starlight and What it Tells Us

Starlight and What it Tells Us. Brightness of Stars. Variations in distance and intrinsic brightness Scale based on one by Hipparcos 500 B.C. Magnitude: Large Numbers = Fainter One magnitude = 2.5 x Five magnitudes = 100 x. Magnitudes. Planet around nearby star: 30 Pluto: 13

222 views • 13 slides

Mina Al-Hosn 1394 BIPV

Mina Al-Hosn 1394 BIPV. The Challenge. Challenge of the design:. PV panels must integrate the architecture's beauty Optimize the reception of solar energy PV must fit the thermal insulation of the facades & be well cooled to prevent losses

270 views • 10 slides

PHOTOVOLTAIC CELLS

PHOTOVOLTAIC CELLS. WHAT IS A PHOTOVOLTAIC CELL?.

215 views • 6 slides

Electromagnetic Spectrum

648 views • 6 slides

Ceramic Nanocatalysts Clean Water

189 views • 1 slides

Full Solar Spectrum Photovoltaic Materials Identified

Full Solar Spectrum Photovoltaic Materials Identified. Perfect matching of band gap of In 1-x Ga x N to solar spectrum. LBNL, 2002. Literature. Energy (eV). Energy (eV). GaInP. GaAs. Ge. Solar Flux (10 21 photons/sec/m 2 / m m). Ga content in In 1-x Ga x N alloy. m.

134 views • 1 slides