Facile Synthesis of a Furan–Arylamine Hole‐Transporting Material for High‐Efficiency, Mesoscopic Perovskite Solar Cells. Issue 43 (3rd September 2015)

• Record Type: Journal Article
• Authors: Krishna, Anurag; Sabba, Dharani; Yin, Jun; Bruno, Annalisa; Boix, Pablo P.; Gao, Yang; Dewi, Herlina A.; Gurzadyan, Gagik G.; Soci, Cesare; Mhaisalkar, Subodh G.; Grimsdale, Andrew C.
• Is Part Of: Chemistry. Volume 21:Issue 43(2015)
• Page Start: 15113
• Page End: 15117
• Publication Date: 2015-09-03
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1002/chem.201503099
• Languages: English
• ISSNs: 0947-6539

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>A novel hole‐transporting molecule (F101) based on a furan core has been synthesized by means of a short, high‐yielding route. When used as the hole‐transporting material (HTM) in mesoporous methylammonium lead halide perovskite solar cells (PSCs) it produced better device performance than the current state‐of‐the‐art HTM 2, 2′, 7, 7′‐tetrakis‐(<italic>N</italic>, <italic>N</italic>‐di‐<italic>p</italic>‐methoxyphenylamine)‐9, 9′‐spirobifluorene (spiro‐OMeTAD). The F101‐HTM‐based device exhibited both slightly higher <italic>J</italic>_sc (19.63 vs. 18.41 mA cm⁻²) and <italic>V</italic>_oc (1.1 vs. 1.05 V) resulting in a marginally higher power conversion efficiency (PCE) (13.1 vs. 13 %). The steady‐state and time‐resolved photoluminescence show that F101 has significant charge extraction ability. The simple molecular structure, short synthesis route with high yield and better performance in devices makes F101 an excellent candidate for replacing the expensive spiro‐OMeTAD as HTM in PSCs.</p> </abstract>