BROWSE

Related Scientist

Researcher

나노입자 연구단
나노입자 연구단
more info

Moisture proof hole transport layers based on CISe quantum dots for highly stable and large active area perovskite solar cells

Cited 0 time in webofscience Cited 0 time in scopus
17 Viewed 3 Downloaded
Title
Moisture proof hole transport layers based on CISe quantum dots for highly stable and large active area perovskite solar cells
Author(s)
Kim J.-Y.; Woonhyuk Baek; Kim S.; Kang G.; Han I.K.; Taeghwan Hyeon; Park M.
Publication Date
2019-12
Journal
APPLIED SURFACE SCIENCE, v.496, no., pp.143610 -
Publisher
ELSEVIER SCIENCE BV
Abstract
© 2019 Elsevier B.V.Extensive studies have been performed to improve the environmental stability of perovskite solar cells (PSCs) with the use of inorganic charge transport layers (CTLs). However, for n-i-p structures, it is difficult to deposit p-type inorganic nanocrystals onto perovskites to form the CTLs because they are usually prepared in polar solvents. In this regard, hydrophobic nanoparticles dispersed in nonpolar solvents would be beneficial for their deposition onto the perovskites, thus leading to the formation of a hole transport layer (HTL). In this work, we report on the preparation of monodispersed CuIn1.5Se3 (CISe) quantum dots (QDs) (diameter = 4 nm) for the design of PSCs based on all-inorganic CTLs. By means of efficient hole injection and transfer process through the CISe-HTLs, impressive power conversion efficiencies (PCEs) of 13.72% and 12.19% for active areas of 0.12 cm2 and 1.0 cm2 are achieved, respectively, and the devices exhibit hysteresis-less behaviors. Furthermore, the devices show excellent PCE retentions of 89.2% and 74.9% after 30 d relative to their initial values at relative humidity of 25% and 50%, respectively. The hydrophobic QDs effectively suppress the penetration of moisture such that the device maintains its stability in humid environments
URI
https://pr.ibs.re.kr/handle/8788114/6704
ISSN
0169-4332
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
1.MOISTURE PROOF.pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse