Reducing the efficiency–stability–cost gap of organic photovoltaics with highly efficient and stable small molecule acceptor ternary solar cells
Technological deployment of organic photovoltaic modules requires improvements in device
light-conversion efficiency and stability while keeping material costs low. Here we …
light-conversion efficiency and stability while keeping material costs low. Here we …
Fine-tuning of the chemical structure of photoactive materials for highly efficient organic photovoltaics
The performance of organic photovoltaics is largely dependent on the balance of short-
circuit current density (JSC) and open-circuit voltage (VOC). For instance, the reduction of …
circuit current density (JSC) and open-circuit voltage (VOC). For instance, the reduction of …
Reduced voltage losses yield 10% efficient fullerene free organic solar cells with> 1 V open circuit voltages
Optimization of the energy levels at the donor–acceptor interface of organic solar cells has
driven their efficiencies to above 10%. However, further improvements towards efficiencies …
driven their efficiencies to above 10%. However, further improvements towards efficiencies …
Efficiency potential of photovoltaic materials and devices unveiled by detailed-balance analysis
A consistent mathematical approach is presented that connects the Shockley-Queisser (SQ)
theory to the analysis of real-world devices. We demonstrate that the external photovoltaic …
theory to the analysis of real-world devices. We demonstrate that the external photovoltaic …
Suppressing photo-oxidation of non-fullerene acceptors and their blends in organic solar cells by exploring material design and employing friendly stabilizers
J Guo, Y Wu, R Sun, W Wang, J Guo, Q Wu… - Journal of Materials …, 2019 - pubs.rsc.org
In addition to a high power conversion efficiency, ambient stability is another impact factor
for the successful commercialization of organic solar cells (OSCs). Understanding the role of …
for the successful commercialization of organic solar cells (OSCs). Understanding the role of …
Overcoming the interface losses in planar heterojunction perovskite‐based solar cells
Quite different from organic semiconductors, the ambipolar carrier diffusion lengths of
perovskite semiconductors are large enough allowing to utilize the planar heterojunction …
perovskite semiconductors are large enough allowing to utilize the planar heterojunction …
Quantifying and understanding voltage losses due to nonradiative recombination in bulk heterojunction organic solar cells with low energetic offsets
KD Rosenthal, MP Hughes… - Advanced Energy …, 2019 - Wiley Online Library
Open‐circuit voltage (VOC) losses in organic photovoltaics (OPVs) inhibit devices from
reaching VOC values comparable to the bandgap of the donor–acceptor blend. Specifically …
reaching VOC values comparable to the bandgap of the donor–acceptor blend. Specifically …
Tail state limited photocurrent collection of thick photoactive layers in organic solar cells
We analyse organic solar cells with four different photoactive blends exhibiting differing
dependencies of short-circuit current upon photoactive layer thickness. These blends and …
dependencies of short-circuit current upon photoactive layer thickness. These blends and …
Exploring the Limiting Open‐Circuit Voltage and the Voltage Loss Mechanism in Planar CH3NH3PbBr3 Perovskite Solar Cells
Perovskite solar cells based on CH3NH3PbBr3 with a band gap of 2.3 eV are attracting
intense research interests due to their high open‐circuit voltage (Voc) potential, which is …
intense research interests due to their high open‐circuit voltage (Voc) potential, which is …
Indaceno‐Based Conjugated Polymers for Polymer Solar Cells
Y Yin, Y Zhang, L Zhao - Macromolecular Rapid …, 2018 - Wiley Online Library
Polymer solar cells have received considerable attention due to the advantages of low
material cost, tunable band gaps, ultralight weight, and high flexible properties, and they …
material cost, tunable band gaps, ultralight weight, and high flexible properties, and they …