Device physics underlying silicon heterojunction and passivating‐contact solar cells: A topical review

RVK Chavali, S De Wolf… - Progress in Photovoltaics …, 2018 - Wiley Online Library
The device physics of commercially dominant diffused‐junction silicon solar cells is well
understood, allowing sophisticated optimization of this class of devices. Recently, so‐called …

Correlated nonideal effects of dark and light I–V characteristics in a-Si/c-Si heterojunction solar cells

RVK Chavali, JR Wilcox, B Ray… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
a-Si/c-Si (amorphous Silcon/crystalline Silicon) heterojunction solar cells exhibit several
distinctive dark and light IV nonideal features. The dark IV of these cells exhibits unusually …

An illumination-and temperature-dependent analytical model for copper indium gallium diselenide (CIGS) solar cells

X Sun, T Silverman, R Garris, C Deline… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
In this paper, we present a physics-based analytical model for copper indium gallium
diselenide (CIGS) solar cells that describes the illumination-and temperature-dependent …

Multiprobe characterization of inversion charge for self-consistent parameterization of HIT cells

RVK Chavali, S Khatavkar, CV Kannan… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
The performance of modern a-Si/c-Si heterojunction (HIT) solar cells is dictated by a
complex interplay of multiple device parameters. A single characterization experiment [eg …

Reverse stress metastability of shunt current in CIGS solar cells

S Dongaonkar, E Sheets, R Agrawal… - 2012 38th IEEE …, 2012 - ieeexplore.ieee.org
Partial shading in thin film solar panels can result in reverse bias stress across shaded cells.
Therefore, it is important to understand the effect of such reverse stress in commercially …

A diagnostic tool for analyzing the current-voltage characteristics in a-Si/c-Si heterojunction solar cells

RVK Chavali, JR Wilcox, B Ray… - 2013 IEEE 39th …, 2013 - ieeexplore.ieee.org
Understanding the effects of device parameters on carrier transport is essential for the
design of high efficiency aSi/c-Si heterojunction solar cells. It is well known that the dark …

Technology agnostic analysis and design for improved performance, variability, and reliability in thin film photovoltaics

S Dongaonkar - 2013 - docs.lib.purdue.edu
Thin film photovoltaics (TFPV) offer low cost alternatives to conventional crystalline Silicon (c-
Si) PV, and can enable novel applications of PV technology. Their large scale adoption …

Process-to-Panel Modeling and Multiprobe Characterization of Silicon Heterojunction Solar Cell Technology

RVK Chavali - 2016 - search.proquest.com
The large-scale deployment of PV technology is very sensitive to the material and process
costs. There are several potential candidates among pn heterojunction (HJ) solar cells …