Charge generation and transport in efficient organic bulk heterojunction solar cells with a perylene acceptor

R Shivanna, S Shoaee, S Dimitrov… - Energy & …, 2014 - pubs.rsc.org
The origin of high current density in efficient non-fullerene based bulk heterojunction (BHJ)
organic solar cells employing a non-planar perylene dimer (TP) as an electron acceptor and …

Visualizing physical, electronic, and optical properties of organic photovoltaic cells

M Pfannmöller, W Kowalsky… - Energy & Environmental …, 2013 - pubs.rsc.org
The most interesting active layer system for organic photovoltaic cells is the bulk
heterojunction (BHJ). The general structure of a BHJ is a network of domains, which contain …

PbI2–TiO2 Bulk Heterojunctions with Long-Range Ordering for X-ray Detectors

Q Wen, W Ma, Y Liu, X Jin, J Ren, C Lin… - The Journal of …, 2021 - ACS Publications
High-performance X-ray detectors are usually based on single crystals, due to the long-
range ordering and hence outstanding electronic properties. On the other hand, bulk …

On the role of local charge carrier mobility in the charge separation mechanism of organic photovoltaics

S Yoshikawa, A Saeki, M Saito, I Osaka… - Physical Chemistry …, 2015 - pubs.rsc.org
Although the charge separation (CS) and transport processes that compete with geminate
and non-geminate recombination are commonly regarded as the governing factors of …

[HTML][HTML] Interface engineering for efficient fullerene-free organic solar cells

R Shivanna, S Rajaram, KS Narayan - Applied Physics Letters, 2015 - pubs.aip.org
We demonstrate the role of zinc oxide (ZnO) morphology and addition of an acceptor
interlayer to achieve high efficiency fullerene-free bulk heterojunction inverted organic solar …

Shelf life degradation of bulk heterojunction solar cells: Intrinsic evolution of charge transfer complex

A Guerrero, H Heidari, TS Ripolles… - Advanced Energy …, 2015 - Wiley Online Library
Achievement of long‐term stability of organic photovoltaics is currently one of the major
topics for this technology to reach maturity. Most of the techniques used to reveal …

Charge dynamics at heterojunction between face-on/edge-on PCPDTBT and PCBM bilayer: interplay of donor/acceptor distance and local charge carrier mobility

Y Shimata, M Ide, M Tashiro, M Katouda… - The Journal of …, 2016 - ACS Publications
The bulk heterojunction organic solar cell has shown much promise as a cost-effective
energy harvesting device, while despite recent progress in boosted power conversion …

Retention of power conversion efficiency–from small area to large area polymer solar cells

AJ Das, KS Narayan - Advanced Materials, 2013 - Wiley Online Library
The insistence of demonstrating the performance parameters for large area structures rather
than small-area pixels has been necessary for polymer bulk heterojunction solar cells, since …

Photoconductive NSOM for mapping optoelectronic phases in nanostructures

AJ Das, R Shivanna, KS Narayan - Nanophotonics, 2014 - degruyter.com
The advent of optically functional materials with low-intensive processing methods is
accompanied by a growing need for high resolution imaging to probe the inherent …

Pressure modulation of backbone conformation and intermolecular distance of conjugated polymers toward understanding the dynamism of π-figuration of their …

Y Noguchi, A Saeki, T Fujiwara… - The Journal of …, 2015 - ACS Publications
Continuous tuning of the backbone conformation and interchain distance of a π-conjugated
polymer is an essential prerequisite to unveil the inherent electrical and optical features of …