Subphthalocyanines, subporphyrazines, and subporphyrins: Singular nonplanar aromatic systems

CG Claessens, D Gonzalez-Rodriguez… - Chemical …, 2014 - ACS Publications
1. INTRODUCTION Porphyrins (Ps) 1, 2 and their best known synthetic analogues, the
phthalocyanines (Pcs; 2− 10 Chart 1) represent one of the most widely studied macrocyclic …

Recent progress in organic photovoltaics: device architecture and optical design

W Cao, J Xue - Energy & Environmental Science, 2014 - pubs.rsc.org
Research on organic photovoltaic (OPV) materials and devices has flourished in recent
years due to their potential for offering low-cost solar energy conversion. With a deepened …

8.4% efficient fullerene-free organic solar cells exploiting long-range exciton energy transfer

K Cnops, BP Rand, D Cheyns, B Verreet… - Nature …, 2014 - nature.com
In order to increase the power conversion efficiency of organic solar cells, their absorption
spectrum should be broadened while maintaining efficient exciton harvesting. This requires …

Energy level tuning of non-fullerene acceptors in organic solar cells

K Cnops, G Zango, J Genoe, P Heremans… - Journal of the …, 2015 - ACS Publications
The use of non-fullerene acceptors in organic photovoltaic (OPV) devices could lead to
enhanced efficiencies due to increased open-circuit voltage (V OC) and improved …

Organic planar heterojunctions: from models for interfaces in bulk heterojunctions to high‐performance solar cells

K Nakano, K Tajima - Advanced Materials, 2017 - Wiley Online Library
Recent progress regarding planar heterojunctions (PHJs) is reviewed, with respect to the
fundamental understanding of the photophysical processes at the donor/acceptor interfaces …

Boron subphthalocyanines and silicon phthalocyanines for use as active materials in organic photovoltaics

TM Grant, DS Josey, KL Sampson… - The Chemical …, 2019 - Wiley Online Library
Organic photovoltaics (OPVs) have experienced continued interest over the last 25 years as
a viable technology for the generation of power. Phthalocyanines are among the oldest …

Decreased Recombination Through the Use of a Non‐Fullerene Acceptor in a 6.4% Efficient Organic Planar Heterojunction Solar Cell

B Verreet, K Cnops, D Cheyns… - Advanced Energy …, 2014 - Wiley Online Library
An optimization of several aspects of planar heterojunction solar cells based on boron
subnaphthalocyanine chloride (SubNc) as a donor material is presented. The use of …

Small molecules for vacuum-processed organic photovoltaics: past, current status, and prospect

A Venkateswararao, KT Wong - Bulletin of the Chemical Society …, 2021 - academic.oup.com
Organic photovoltaics (OPVs), a potential green technology that evolves to satisfy global
energy demands, have shown great improvements recently. The success of OPVs relies on …

Universal design principles for cascade heterojunction solar cells with high fill factors and internal quantum efficiencies approaching 100%

A Barito, ME Sykes, B Huang, D Bilby… - Advanced Energy …, 2014 - Wiley Online Library
Cascade heterojunction (CHJ) organic solar cells have recently emerged as an alternative
to conventional bulk heterojunctions and series‐connected tandems due to their significant …

Energy-cascade organic photovoltaic devices incorporating a host–guest architecture

SM Menke, RJ Holmes - ACS Applied Materials & Interfaces, 2015 - ACS Publications
In planar heterojunction organic photovoltaic devices (OPVs), broad spectral coverage can
be realized by incorporating multiple molecular absorbers in an energy-cascade …