English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
Add to Basket
 Local TagsRelease HistoryDetailsSummary
  Carrier Management via Integrating InP Quantum Dots into Electron Transport Layer for Efficient Perovskite Solar Cells

Wu, J., Li, M.-H., Jiang, Y., Xu, Q., Xian, L. D., Guo, H., et al. (2022). Carrier Management via Integrating InP Quantum Dots into Electron Transport Layer for Efficient Perovskite Solar Cells. ACS Nano, 16(9), 15063-15071. doi:10.1021/acsnano.2c06171.

Item is

 

show all hide all

Basic

show hide
Item Permalink: https://hdl.handle.net/21.11116/0000-000B-283D-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000B-F63A-F
Genre: Journal Article

Files

show Files
hide Files
:
acsnano.2c06171.pdf (Publisher version), 3MB
 
File Permalink:
-
Name:
acsnano.2c06171.pdf
Description:
-
OA-Status:
Visibility:
Private
MIME-Type / Checksum:
application/pdf
Technical Metadata:
Copyright Date:
-
Copyright Info:
-
License:
-
:
nn2c06171_si_001.pdf (Supplementary material), 2MB
View   Save
File Permalink:
https://hdl.handle.net/21.11116/0000-000B-2E2D-1
Name:
nn2c06171_si_001.pdf
Description:
The Supporting Information: Experimental detail, additional experimental results and data (Figures S1–S17 and Tables S1–S3), including the XRD, XPS spectra, UV–vis absorption, AFM measurements, SEM images and EDS mapping, conductivity and electron mobility measurements, UPS spectra, TRPL spectra, TRPL fit result, J–V curves, hysteresis parameters, certification of PSC efficiency, stability for the aged perovskite films
OA-Status:
Not specified
Visibility:
Public
MIME-Type / Checksum:
application/pdf / [MD5]
Technical Metadata:
View
Copyright Date:
-
Copyright Info:
-
License:
-

Locators

show
hide
Locator:
https://doi.org/10.1021/acsnano.2c06171 (Publisher version)
Description:
-
OA-Status:
Green

Creators

show
hide
 Creators:
Wu, J.1, 2, Author
Li, M.-H.1, Author
Jiang, Y.3, Author
Xu, Q.3, 4, Author
Xian, L. D.3, 5, 6, Author           
Guo, H.1, 2, Author
Wan, J.1, 2, Author
Wen, R.1, 2, Author
Fang, Y.1, 2, Author
Xie, D.1, 2, Author
Lei, Y.1, 2, Author
Hu, J.-S.1, 2, Author
Lin, Y.1, 2, Author
Affiliations:
1Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, ou_persistent22              
2School of Chemical Sciences, University of Chinese Academy of Science, ou_persistent22              
3Songshan Lake Materials Laboratory, ou_persistent22              
4College of Physics and Electronic Engineering, Center for Computational Sciences, Sichuan Normal University, ou_persistent22              
5Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
6Center for Free-Electron Laser Science, ou_persistent22              

Content

show
hide
Free keywords: InP quantum dots; electron transport layer; perovskite solar cells; carrier management; consecutive electron transport channels
 Abstract: Metal oxides are the most efficient electron transport layers (ETLs) in perovskite solar cells (PSCs). However, issues related to the bulk (i.e., insufficient electron mobility, unfavorable energy level position) and interface of metal oxide/perovskite (detrimental surface hydroxyl groups) limit the transport kinetics of photoinduced electrons and prevent PSCs from unleashing their theoretical efficiency potential. Herein, the inorganic InP colloid quantum dots (CQDs) with outstanding electron mobility (4600 cm2 V-1 s-1) and carboxyl (−COOH) terminal ligands were uniformly distributed into the metal oxide ETL to form consecutive electron transport channels. The hybrid InP CQD-based ETL demonstrates a more N-type characteristic with more than 3-fold improvement in electron mobility. The formation of the Sn–O–In bond facilitates electron extraction due to suitable energy level alignment between the ETL and perovskite. The strong interaction between uncoordinated Pb2+ at the perovskite/ETL interface and the −COO- in the ligand of InP CQDs reduces the density of defects in perovskite. As a result, the hybrid InP CQD-based ETL with an optimized InP ratio (18 wt %) boosts the power conversion efficiency of PSCs from 22.38 to 24.09% (certified efficiency of 23.43%). Meanwhile, the device demonstrates significantly improved photostability and atmospheric storage stability.

Details

show
hide
Language(s): eng - English
 Dates: 2022-08-242022-06-222022-08-242022-08-292022-09-27
 Publication Status: Issued
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acsnano.2c06171
 Degree: -

Event

show

Legal Case

show

Project information

show hide
Project name : This work was supported by the National Natural Science Foundation of China (Grants Nos. 21975265, 22005317, and 22109166) and the Chinese Academy of Sciences and Energy Materials and Optoelectronics Unit of Songshan Lake Materials Laboratory.
Grant ID : -
Funding program : -
Funding organization : -

Source 1

show
hide
Title: ACS Nano
  Other : ACS Nano
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 16 (9) Sequence Number: - Start / End Page: 15063 - 15071 Identifier: ISSN: 1936-0851
CoNE: https://pure.mpg.de/cone/journals/resource/1936-0851