MODELING AND ANALYSIS CAPABILITIES AT UCEP

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

J_o

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