Incorporation of potassium at CuPc/C60 interface for photovoltaic application

Autor:	Kuan Ta Huang, Szu Hung Chen, Hui Ju Chen, Chuan Feng Shih, Kuang Teng Hung, Chu Yun Hsiao
Rok vydání:	2011
Předmět:	Electron mobility Materials science Physics and Astronomy (miscellaneous) Organic solar cell chemistry Annealing (metallurgy) Potassium Binding energy Doping Analytical chemistry chemistry.chemical_element Capacitance Polymer solar cell
Zdroj:	Applied Physics Letters. 98:113307
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.3568884
Popis:	This letter demonstrates the effect of potassium (K) doping at the donor–acceptor interface of CuPc / C 60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc / C 60 interface and the device was postannealed ( 75 ° C , 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::40f89a0df015819daf891e33e6c67a26 https://doi.org/10.1063/1.3568884 Zobrazit plný text záznamu