Stability of polymer solar cells

M Jørgensen, K Norrman, SA Gevorgyan… - Advanced …, 2012 - Wiley Online Library
Organic photovoltaics (OPVs) evolve in an exponential manner in the two key areas of
efficiency and stability. The power conversion efficiency (PCE) has in the last decade been …

S-shaped current–voltage characteristics in solar cells: a review

R Saive - IEEE Journal of Photovoltaics, 2019 - ieeexplore.ieee.org
S-shaped current-voltage (IV) characteristics are a frequently occurring hurdle in the
development of new solar cell material combinations and device architectures. Their …

Fill factor in organic solar cells

B Qi, J Wang - Physical Chemistry Chemical Physics, 2013 - pubs.rsc.org
The fill factor (FF) is an important parameter that determines the power conversion efficiency
of an organic solar cell. There are several factors that can significantly influence FF, and …

[PDF][PDF] Solution processable rhodanine-based small molecule organic photovoltaic cells with a power conversion efficiency of 6.1%

Z Li, G He, X Wan, Y Liu, J Zhou, G Long… - Adv. Energy …, 2012 - nanocenter.nankai.edu.cn
Adv. Energy Mater. 2012, 2, 74–77–3.28 eV, respectively, with a band gap of 1.72 eV, which
is consistent with the optical band gap. The cyclic voltammogram of DERHD7T film shows …

Imbalanced mobilities causing S-shaped IV curves in planar heterojunction organic solar cells

W Tress, A Petrich, M Hummert, M Hein, K Leo… - Applied Physics …, 2011 - pubs.aip.org
We show that S-kinks in the current voltage characteristics, which decrease the fill factor
significantly, can be caused by a strong imbalance of charge carrier mobilities (hole mobility …

Spin‐coated small molecules for high performance solar cells

Y Liu, X Wan, F Wang, J Zhou, G Long… - Advanced Energy …, 2011 - Wiley Online Library
To investigate the structural ordering of DCAE7T, DCAO7T and DCAEH7T in the solid state,
we performed X-ray diffraction (XRD) analysis for thin films spin-coated from CHCl 3 solution …

The effect of post-processing treatments on inflection points in current–voltage curves of roll-to-roll processed polymer photovoltaics

MR Lilliedal, AJ Medford, MV Madsen… - Solar Energy Materials …, 2010 - Elsevier
Inflection point behaviour is often observed in the current–voltage (IV) curve of polymer solar
cells. This phenomenon is examined in the context of flexible roll-to-roll (R2R) processed …

Efficient, large area ITO‐and‐PEDOT‐free organic solar cell sub‐modules

H **, C Tao, M Velusamy, M Aljada… - Advanced …, 2012 - Wiley Online Library
Organic solar cells are widely viewed as one of the key next generation photovoltaic
technologies.[1–4] In particular, systems based upon solution-processable polymers or …

CuInS 2 quantum dots synthesized by a solvothermal route and their application as effective electron acceptors for hybrid solar cells

W Yue, S Han, R Peng, W Shen, H Geng… - Journal of Materials …, 2010 - pubs.rsc.org
This paper describes a solvothermal approach to synthesize CuInS2 quantum dots (QDs)
and demonstrates their application as a potential electron accepting material for polymer …

Charge accumulation induced S-shape J–V curves in bilayer heterojunction organic solar cells

JC Wang, XC Ren, SQ Shi, CW Leung, PKL Chan - Organic electronics, 2011 - Elsevier
We study the origin of the S-shape effect in the current–voltage curve of bilayer
heterojunction organic solar cell induced by the exciton blocking layer (EBL). By gradually …