CAPABILITIES

   

Modeling and Analysis Capabilities

Models

Analysis

Dessis

Two dimensional semiconductor device modeling program

PC1D

Program to solve semiconductor transport equations in one dimension to design and predict solar cell performance

Sunrays and PV optics

Ray tracing programs to optimize and model antireflection coating and light trapping on flat and textured surfaces

Arcoat

Anti-reflectance coating design and characterization

S-model

Computes internal recombination velocity in any region of a cell, to asses the impact of diffusion profile and surface passivation on saturation current density

Hydrodynamic

Multidimensional solutions to the semiconductor equations

Lifetime

Calculates SRH and lifetime in bulk silicon as a function of base doping, trap parameters, temperature, and dopant-defect interaction

Grid

Design and optimization of front contact for rectangular geometry with a tapered bus bar using MathCad

Grid Design

Design and optimization of screen-printed and photolithography contacts with comb patterns using Excel spreadsheet

SRV

Computers effective surface recombination velocity for varying passivation conditions such as oxide charge, interface state density and substrate doping

IQE

Computation and analysis of internal quantum efficiency, diffusion length and surface recombination velocity from spectral response and reflection data

Jo

Computes reverse saturation current from empirical data obtained from photo-conductive decay measurements

PCD

Computes SRH lifetime, ambipolar auger coefficient, and band-to-band radiative coefficient from PCD measurements

Sizing

Design and modeling of PV system

PV Form

Design and performance of PV systems

PC Cad

Design and performance of PV systems

Size PV

Design of PV systems

PV Design Pro

Design and performance of PV systems

 

Solar Cell Fabrication Capabilities