Product Details
r, : >Testing the spectral response and quantum efficiency of solar cells has important reference value for improving the production process level of solar cells (such as texturing, diffusion, back field and other processes) and studying its performance. The Bc system can test the solar cell's spectral response (cr R), quantum efficiency ( ) or C (crc), spectral reflectance (cr Rc) and current density ( ).
: r, : >System features:
: r, : >. High-power continuous light source, the output spectrum is flat and peak-free, ensuring measurement Repeatability
: r, : >. The unique spectroscopic system ensures good wavelength accuracy and repeatability, eliminates the influence of multi-level spectrum, and reduces stray light. (The stray light of a monochromator is better than that of a double monochromator)
: r, : >. Super strong and weak signal processing capabilities, using the correlation method to detect, with super strong and weak signals processing capabilities, effectively improving the signal-to-noise ratio and ensuring measurement accuracy
: r, : >. DC and AC measurement methods, and different types of front-end sensors configured for different measurement methods and battery types. An amplifier is installed to ensure weak signal detection
: r, : >. Unique sample chamber and sample holder design, convenient clamping, good electrode contact, small interference to weak signal testing, optional manual or electric Different types of sample rooms.
: r, : >. Imported bias filters of various specifications
: r, : >. Optional constant temperature and convenience equipment to facilitate battery maintenance chip for temperature control
: r, : >. High-performance signal automatic switching control to complete switching of various models.
: r, : >. Broadcast frequency adjustment range:
: r, : >. Equipped with cabinet-type teaching platform to ensure stable system operation
< br, /> : r, : >. Optional dual optical path monitoring, effectively deducting test errors caused by unstable light sources
: r, : >. Complete fully automated dedicated system software:< br/> : r, : >. Integrated parameter setting and selection of spectroscopic system, multi-stage spectrum filtering device, weak signal processing system, etc. b. Automatic scanning, signal amplification, /, data acquisition and data Processing, chart files are automatically generated and displayed c. Compatible with two measurement methods: the same two penalty method and the uniform illumination method, and different formulas are used for data calculation and processing according to different measurement methods
: r, : >. Automatic generation and display of graphs and markup files. Multiple formats of data and picture backup and printout functions. Multiple sets of data comparison functions. Automatic. Automatic removal of gross errors, systematic errors, linear errors, periodic errors, and errors. Automatic verification.
: r, : >Selection Guide:
: r, : >System model measurement items
: r, : > Bc Absolute spectral response, external quantum efficiency, spectral transmittance, short-circuit current density of silicon cells
: r, : >Bcb Absolute spectral response, external quantum efficiency, spectral transmittance of silicon cells , short circuit current density,
: r, : >Spectral reflectance, internal quantum efficiency
: r, : >B absolute spectral response of thin film cells, external quantum efficiency Efficiency, spectral transmittance, short-circuit current density
: r, : >Bc Absolute spectral response of dye-sensitized cells, external quantum efficiency, short-circuit current density
: r, : >Bc Absolute spectral response of silicon cells, external quantum efficiency, spectral transmittance, short-circuit current density,
: r, : >Spectral reflectivity, internal quantum efficiency
: r, : >Absolute spectral response, external quantum efficiency, spectral transmittance, short-circuit current density of thin film cells
: r, : >Absolute dye-sensitized cells Spectral response, external quantum efficiency, short circuit current density
: r, : >Measured spectrum:
: r, : > Measured silicon cell spectral response curve Measured silicon cell spectral reflectance curve
< br, /> : r, : >Actually measured internal/external quantum efficiency curves of silicon cells Measured double-cell thin film cell efficiency curves
< br, /> : r, : > Measured dye-sensitized cell quantum efficiency curve Measured dye-sensitized cell spectral response curve
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