화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2019년 가을 (10/09 ~ 10/11, 제주컨벤션센터)
권호 44권 2호
발표분야 분자전자 부문위원회 II
제목 Interface modification and self-assembled P3HT as hole transport layer for high performance and stable perovskite solar cells
초록 Perovskite solar cells (PSCs) have achieved high efficiency, but only limited number of materials such as PTAA and Spiro-OMeTAD have been selected as a hole-transporting layer (HTL) so far. These materials have major drawbacks such as high cost and need for the hygroscopic dopants. Poly(3-hexylthiophene) (P3HT) is a promising hole-transport materials with excellent optoelectronic properties and low cost. But PSCs using P3HT have reached the efficiency of only about 16%. In this work, the high efficiency of PSCs using P3HT is realized through the interface modification by an in situ reaction of n-hexyl trimethyl ammonium bromide (HTAB) between perovskite layer and HTL. The aliphatic moiety of HTAB promote the self-assembly of P3HT, which improves mobility of P3HT. For this reason, high performances of PSCs using P3HT can be achieved, with certified efficiency of 22.7%. The possibility of commercialization of PSCs confirmed by the application of P3HT as hole-transport layer.
저자 문찬수, 전남중, 양태열, 서장원
소속 한국화학(연)
키워드 perovskite solar cells; p3ht; interface modification; commercialization; high performance
E-Mail jwseo@krict.re.kr