band gap


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band gap

[′band ‚gap]
(solid-state physics)
An energy difference between two allowed bands of electron energy in a metal.
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If we compare these regions in Figure 2 with their correspondent's in Figure 3, we can observe that exactly anywhere the real part of input impedance is zero, the band gap occurs.
Analytical calculation of band gap of a 1D planar ternary photonic crystal by simulating with a symmetric lossless transmission line
Band gap energy and transition type can be derived from mathematical treatment of data obtained from optical absorbance versus wavelength with Stern [18] relationship of near-edge absorption (Equation 1):
Deposition and characterization of tin sulphide thin films by chemical bath deposition technique
When these dried films were sintered, their reflection spectra exhibited only one sharp fall, which corresponds to the band gap of solid solution CdS-ZnS.
Optimization of sintering temperature in CdZnS films using reflection spectroscopy
The band gap in conjugated oligomers is governed by their chemical structures.
DFT study of bridged oligo(bithiophene)s. conformational analysis and opto-electronic properties
For instance, the NREL team finds that in lead selenide dots, a photon must have at least two and a half band gaps of energy to produce two exeitons.
Quantum-dot leap: tapping tiny crystals' inexplicable light-harvesting talent
3) were used to determine the adsorption coefficient and band gap values (Fig.
Photovoltaic structures formed by thermal annealing of electrodeposited CuIn[Se.sub.2] in [H.sub.2]S/Paikeseelemendid [H.sub.2]S atmosfaaris kuumutamisega modifitseeritud elektrokeemiliselt sadestatud CuIn[Se.sub.2] kilede baasil
6 V internal band gap, which allows output voltages from 85 percent of Vin down to 0.
NATIONAL INTRODUCES LOW OUTPUT CONTROLLERS FOR CABLE MODEMS
By exploring novel semiconductor materials and applying band structure engineering, via strain-balanced quantum wells, the NRL research team has produced a design for a MJ solar cell that can achieve direct band gaps from 0.
NRL Designs Multi-Junction Solar Cell to Break Efficiency Barrier
Tenders invited for Supply and warranty of ambient pressure photoemission spectroscopy system with scanning probe plus surface photovoltage and surface photovoltage spectroscopy for the measurement of work function, lonisation potential, fermi energy, local density of states, highest occupied metallic orbital, band gap, open circuit voltage, surface photo voltage.
Supply And Warranty Of Ambient Pressure Photoemission Spectroscopy System With Scanning Probe Plus Surface Photovoltage And Surface Photovoltage Spectroscopy For The Measurement Of Work Function, Lonisation Potential, Fermi Energy, Local Density Of States
2] Young et al reported that the optical band gap in free standing transparent ZnO films can be reduced with dopant Sn using the Sol-gel method.
Effect of tin as dopant on zinc oxide thinfilms for solar cell applications
The energy band gap of the prepared films was calculated and the effect of gamma radiation on its value was determined.
Optical Band Gap and Radiation Chemical Formation of HCl in Polyvinyl Alcohol Films Containing Chloral Hydrate for Use in Radiation Dosimetry
CORRELATION OF BAND GAP ENERGIES IN VISIBLE SPECTRUM AND SILICON TO SOLAR CELL EFFICIENCY.
Correlation of band gap energies in visible spectrum and silicon to solar cell efficiency

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