Impact
of the Hole Transport Layer on the Charge Extraction
of Ruddlesden–Popper Perovskite Solar Cells
Posted on 2020-06-17 - 20:04
Recent
works demonstrate that polyelectrolytes as a hole transport
layer (HTL) offers superior performance in Ruddlesden–Popper
perovskite solar cells (RPPSCs) compared to poly(3,4-ethylenedioxythiophene)
polystyrene sulfonate (PEDOT:PSS). The factors contributing to such
improvement need to be systematically investigated. To achieve this,
we have systematically investigated how the two HTLs affect the morphology,
crystallinity, and orientation of the Ruddlesden–Popper perovskite
(RPP) films as well as the charge extraction of the RPPSCs. PEDOT:PSS
as a HTL leads to RPP films of low crystallinity and with a number
of large pinholes. These factors lead to poor charge carrier extraction
and significant charge recombination in the RPPSCs. Conversely, a
PCP-Na HTL gives rise to highly crystalline and pinhole-free RPPSC
films. Moreover, a PCP-Na HTL provides a better energy alignment at
the perovskite/HTL interface because of its higher work function compared
to PEDOT:PSS. Consequently, devices using PCP-Na as HTLs are more
efficient in extracting charge carriers.
CITE THIS COLLECTION
DataCiteDataCite
3 Biotech3 Biotech
3D Printing in Medicine3D Printing in Medicine
3D Research3D Research
3D-Printed Materials and Systems3D-Printed Materials and Systems
4OR4OR
AAPG BulletinAAPG Bulletin
AAPS OpenAAPS Open
AAPS PharmSciTechAAPS PharmSciTech
Abhandlungen aus dem Mathematischen Seminar der Universität HamburgAbhandlungen aus dem Mathematischen Seminar der Universität Hamburg
ABI Technik (German)ABI Technik (German)
Academic MedicineAcademic Medicine
Academic PediatricsAcademic Pediatrics
Academic PsychiatryAcademic Psychiatry
Academic QuestionsAcademic Questions
Academy of Management DiscoveriesAcademy of Management Discoveries
Academy of Management JournalAcademy of Management Journal
Academy of Management Learning and EducationAcademy of Management Learning and Education
Academy of Management PerspectivesAcademy of Management Perspectives
Academy of Management ProceedingsAcademy of Management Proceedings
Academy of Management ReviewAcademy of Management Review
Wang, Qingqian; Shao, Shuyan; Xu, Bowei; Duim, Herman; Dong, Jingjin; Adjokatse, Sampson; et al. (2020). Impact
of the Hole Transport Layer on the Charge Extraction
of Ruddlesden–Popper Perovskite Solar Cells. ACS Publications. Collection. https://doi.org/10.1021/acsami.0c05290