Abstract
Inverted all polymer solar cells based on a blend of a perylene diimide based polymer acceptor and a dithienosilole based polymer donor were fabricated from small area devices to roll-to-roll (R2R) coated and printed large area modules. The device performance was successfully optimized by using solvent additive to tune the phase separation. By adding 2% chloronaphthalene as solvent additive for small area (0.25 cm2) devices, a power conversion efficiency (PCE) up to 0.63% was achieved for inverted geometry, higher than that (0.39%) of conventional geometry. This polymer blend showed excellent solution processibility and R2R coated and printed large area (4.2 cm 2) solar cells exhibited a PCE of 0.20%.
| Original language | English |
|---|---|
| Pages (from-to) | 157-162 |
| Number of pages | 6 |
| Journal | Solar Energy Materials and Solar Cells |
| Volume | 112 |
| DOIs | |
| State | Published - 2013 |
| Externally published | Yes |
Bibliographical note
Funding Information:This material is based upon work supported in part by the NSFC (Grants 51261130582 , 21025418 , 21021091 ), 973 Project (Grant 2011CB808401), the Danish National Research Foundation and the Chinese Academy of Sciences .
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- All-polymer solar cells
- Inverted geometry
- Roll-to-roll process
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Renewable Energy, Sustainability and the Environment
- Surfaces, Coatings and Films
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