Journal
ORGANIC ELECTRONICS
Volume 11, Issue 7, Pages 1327-1331Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2010.04.012
Keywords
All-spin-coating; Vacuum-free; Inverted polymer solar cell; Wettability; Interfacial layer
Funding
- State Key Development Program for Basic Research of China (973 program) [2009CB623605]
- National Natural Science Foundation of China [50673035]
- 111 Project [B06009]
- Key Project of Science and Technology of Jilin Province [20080305]
- Jilin University [20091008]
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Semi-transparent inverted polymer solar cells (PSCs) were fabricated by all-spin-coating vacuum-free process. An interfacial layer of poly(allylamine hydrochloride) and dextran (PAH-D) was introduced to modify the surface wettability of poly(3-hexylthiophene) (P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) film for depositing aqueous-solution-processed poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) (CLEVIOS(TM) PH500) (PH500) anode as well as enhancing the adhesion and bonding strength between the active layer (P3HT: PCBM) and conducting polymer electrode (PH500). The photovoltaic performance of the semi-transparent PSCs under top and bottom illumination was investigated and the highest PCE of about 1.86% was achieved under simulated AM 1.5 illumination (100 mW/cm(2)) from the bottom side with a reflective white paper back side. The semi-transparent Cell A have the potential for use as energy-generating color window glasses as well as the subcell of tandem solar cells. The all-spin-coating vacuum-free processing provides a possibility of high-throughput all-solution-processed fabrication of PSCs by roll-to-roll processing. (C) 2010 Elsevier B.V. All rights reserved.
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