Tuning the Optical and Structural Properties of Halide Perovskite by PbS Quantum Dot Additive Engineering for Enhanced Photovoltaic Performances

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F24%3APU151599" target="_blank" >RIV/00216305:26620/24:PU151599 - isvavai.cz</a>

Alternative codes found

RIV/00216275:25310/24:39921848

Result on the web

<a href="https://onlinelibrary.wiley.com/doi/10.1002/solr.202300892" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/solr.202300892</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/solr.202300892" target="_blank" >10.1002/solr.202300892</a>

Result language

angličtina

Original language name

Tuning the Optical and Structural Properties of Halide Perovskite by PbS Quantum Dot Additive Engineering for Enhanced Photovoltaic Performances

Original language description

The combination of inorganic PbS quantum dots (QDs) and lead halide perovskite in one nanocomposite is considered as a promising approach to overcoming the limitations of metastable perovskites. However, to date, only a few examples of improved optoelectronic perovskites are realized with such materials. One of the keys to unraveling the full potential offered by the PbS QDs/perovskite material is the ability to purposefully modulate the interfacial electronic energy levels by changing the PbS QDs capping shell. Herein, this approach to adjust the offsets of the energy levels of the perovskite is demonstrated. To prepare the perovskite films with embedded PbS QDs, the organic capping of QDs is exchanged by a halide perovskite shell. Film properties are correlated to the structural changes of the soft perovskite matrix and their optical properties. Interestingly, this approach can be used to adjust the energy levels in the whole nanocomposite film, without changing the original bandgap, and thus paves the way for novel functional materials for optoelectronic devices. The applicability of this method is exemplified by fabricating solar cells with the perovskite nanocomposite, observing that the introduction of PbS/FAPI QDs into FAPI matrix boosts the average performance from 17.9% to 18.9% (21.3% champion device). The study has demonstrated the impact of shell on the PbS quantum dot and subsequent structural and optoelectronic properties of FAPbI3 and MAPbI3 perovskite. It has been highlighted how the FAPbI3 shell is needed to obtain the favourable energy alignment and high efficiency solar cells. This work opens the door to the property tuning by the use of tailored shells.image (c) 2024 WILEY-VCH GmbH

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20700 - Environmental engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Solar RRL

ISSN

2367-198X

e-ISSN

—

Volume of the periodical

8

Issue of the periodical within the volume

5

Country of publishing house

DE - GERMANY

Number of pages

15

Pages from-to

„“-„“

UT code for WoS article

001147209400001

EID of the result in the Scopus database

2-s2.0-85182843963