Peptide Addition Effect of the Active Layer Precursor Solution Containing Poor Solvent on Photoelectrochemical Characteristics of the Thin Film Organic Photovoltaic Cells

Hirokazu YAMANE  Shinji SHINDO  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E102-C   No.2   pp.192-195
Publication Date: 2019/02/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.2018OMS0011
Type of Manuscript: BRIEF PAPER
Category: 
Keyword: 
peptide,  active layer,  photoelectrochemical characteristics,  thin film organic photovoltaic cell,  

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Summary: 
The thin film organic photovoltaic cells (OPVs) using organic semiconductors are inferior to oxgen-resistance and water-resistance, and the OPVs have a drawback that the photoelectric conversion efficiency (η) is low. For high efficiency of the OPVs, control of bulk heterojunction (BHJ) structure in the active layer is demanded. Therefore, it is thought that we can control the BHJ structure easily if we can bring a change in the aggregated structure and the crystallinity of the BHJ structure by introducing the third component that is different from the organic semiconductor into the activity layer. In this study, we introduced peptide consisting of phenylalanine of 2 molecules into the active layer prepared by poor solvent addition effect for the organic thin film solar cells and intended to try high efficiency of the organic thin film solar cells and examined the electrochemistry characteristic of the cells.