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Structure Engineering of Hole-Conductor Free Perovskite-Based Solar Cells with Low-Temperature-Processed Commercial Carbon Paste As Cathode

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Indexed by:期刊论文

Date of Publication:2014-09-24

Journal:ACS APPLIED MATERIALS & INTERFACES

Included Journals:SCIE、EI、PubMed

Volume:6

Issue:18

Page Number:16140-16146

ISSN No.:1944-8244

Key Words:low temperature; commercial carbon paste; hole-conductor free; perovskite; heterojunction solar cell

Abstract:Low-temperature-processed (100 degrees C) carbon paste was developed as counter electrode material in hole conductor free perovskite/TiO2 heterojunction solar cells to substitute noble metallic materials. Under optimized conditions, an impressive PCE value of 8.31% has been achieved with this carbon counter electrode fabricated by doctor-blading technique. Electrochemical impedance spectroscopy demonstrates good charge transport characteristics of low-temperature-processed carbon counter electrode. Moreover, this carbon counter electrode-based perovskite solar cell exhibits good stability over 800 h.

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