文档介绍：Nanomaterials for Electronic Applications Research Summary
Carbon Nanotube Arrays for
Photovoltaic Applications
. Camacho, . Morgan, . Flores, . McLeod, . Kumsomboone, . Mordecai,
R. Bhattacharjea, W. Tong, . Wagner, . Flicker, . Turano, and . Ready
Vertically aligned periodic arrays of CdTe-based solar cells is ~29%. How-
carbon nanotubes (CNTs) are used to ever, the maximum reported effi ciency
create topographically enhanced light- is ~16%.3 Several studies have focused
trapping photovoltaic cells. Ts on improving the effi ciency of CdTe-
form the back contact of the device and based solar cells by reducing crystal
serve as a scaffold to support the pho- defects and optimizing interface proper-
toactive heterojunction. Molecular beam ties between CdTe and plemen-
epitaxy is used to deposit CdTe and CdS tary cell –8
as the p/n-type materials and ion-assisted Recently, fullerenes have been pro-
deposition is used to deposit a conformal posed for materials to be used in photo-
coating of indium-tin oxide as the trans- voltaic The motivation for
parent top contact. X-ray diffraction data photovoltaic applications of fullerenes
shows (111) texture of the CdTe. Photo- arises from the high photoconductivity
2
current produced “per cm of footprint” values observed in C60 and the strong
for T-base