Charge generation pathways in organic solar cells: assessing the contribution from the electron acceptor

DM Stoltzfus, JE Donaghey, A Armin, PE Shaw… - Chemical …, 2016 - ACS Publications
Photocurrent generation in organic bulk heterojunction (BHJ) solar cells is most commonly
understood as a process which predominantly involves photoexcitation of the lower …

Single-junction polymer solar cells with high efficiency and photovoltage

Z He, B **ao, F Liu, H Wu, Y Yang, S **ao, C Wang… - Nature …, 2015 - nature.com
Polymer solar cells are an exciting class of next-generation photovoltaics, because they hold
promise for the realization of mechanically flexible, lightweight, large-area devices that can …

Large fill-factor bilayer iodine perovskite solar cells fabricated by a low-temperature solution-process

Q Wang, Y Shao, Q Dong, Z **ao, Y Yuan… - Energy & Environmental …, 2014 - pubs.rsc.org
This work studied the influence of the methylammonium iodide/lead iodine precursor ratio
on the perovskite film morphology and device performance. Using a non-stoichiometric …

The identification, characterization and mitigation of defect states in organic photovoltaic devices: a review and outlook

JA Carr, S Chaudhary - Energy & Environmental Science, 2013 - pubs.rsc.org
In any microelectronic device, fundamental physical parameters must be well understood for
successful electronic optimization. One such prominent parameter is energetic trap states …

Importance of the donor: fullerene intermolecular arrangement for high-efficiency organic photovoltaics

KR Graham, C Cabanetos, JP Jahnke… - Journal of the …, 2014 - ACS Publications
The performance of organic photovoltaic (OPV) material systems are hypothesized to
depend strongly on the intermolecular arrangements at the donor: fullerene interfaces. A …

Interface design for high-efficiency non-fullerene polymer solar cells

C Sun, Z Wu, Z Hu, J **ao, W Zhao, HW Li… - Energy & …, 2017 - pubs.rsc.org
Non-fullerene polymer solar cells have attracted extensive attention due to their potential for
overcoming the performance bottleneck currently encountered in fullerene-based …

Mechanical manipulation of silicon-based Schottky diodes via flexoelectricity

L Sun, L Zhu, C Zhang, W Chen, Z Wang - Nano Energy, 2021 - Elsevier
Highlights•The behavior of SBDs made of non-polar semiconductors can be controlled with
an applied force.•The effective barrier height and modified current equation of SBDs are …

A highly sensitive, low-cost, wearable pressure sensor based on conductive hydrogel spheres

Y Tai, M Mulle, IA Ventura, G Lubineau - Nanoscale, 2015 - pubs.rsc.org
Wearable pressure sensing solutions have promising future for practical applications in
health monitoring and human/machine interfaces. Here, a highly sensitive, low-cost …

Structural factors that affect the performance of organic bulk heterojunction solar cells

K Vandewal, S Himmelberger, A Salleo - Macromolecules, 2013 - ACS Publications
The performance of polymer: fullerene solar cells is strongly affected by the active layer
morphology and polymer microstructure. In this Perspective, we review ongoing research on …

Ternary organic solar cells with minimum voltage losses

C Wang, W Zhang, X Meng, J Bergqvist… - Advanced Energy …, 2017 - Wiley Online Library
A new strategy for designing ternary solar cells is reported in this paper. A low‐bandgap
polymer named PTB7‐Th and a high‐bandgap polymer named PBDTTS‐FTAZ sharing the …