Inspection of substrate-heated modified PEDOT:PSS morphology for all spray deposited organic photovoltaics

Organic solar cells were fabricated by spray deposition of highly conductive PEDOT:PSS. Both PEDOT:PSS (Clevios PH750) and an active layer were spray deposited by the substrate heating method. In order to improve the conductivity of spray-deposited PEDOT:PSS, DMF or DMSO was added to it. As a result...

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Veröffentlicht in:	Solar energy materials and solar cells 2010-07, Vol.94 (7), p.1303-1306
Hauptverfasser:	Kim, Kyu-Jin, Kim, Yeong-Seon, Kang, Won-Seok, Kang, Byoung-Ho, Yeom, Se-Hyuk, Kim, Do-Eok, Kim, Jae-Ho, Kang, Shin-Won
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Equipments, installations and applications Exact sciences and technology Natural energy Organic solar cell PEDOT:PSS PH750 Photovoltaic conversion Solar cells. Photoelectrochemical cells Solar energy Spray deposition Substrate heating
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Organic solar cells were fabricated by spray deposition of highly conductive PEDOT:PSS. Both PEDOT:PSS (Clevios PH750) and an active layer were spray deposited by the substrate heating method. In order to improve the conductivity of spray-deposited PEDOT:PSS, DMF or DMSO was added to it. As a result, surface morphology of PEDOT:PSS with DMSO-(/DMF) changed and its conductivity improved by about 10,000 times that of pure PEDOT:PSS. Solar cells fabricated using spray-deposited DMSO-added PEDOT:PSS as a transport layer showed a power conversion efficiency (PCE) of ∼3%, an open voltage of 0.62 V, and a short circuit current of 14.02 mA/cm 2.
ISSN:	0927-0248 1879-3398
DOI:	10.1016/j.solmat.2010.03.013