Atomically dispersed Pb ionic sites in PbCdSe quantum dot gels enhance room-temperature NO2 sensing

Xin Geng; Shuwei Li; Lalani Mawella-Vithanage; Tao Ma; Mohamed Kilani; Bingwen Wang; Lu Ma; Chathuranga C. Hewa-Rahinduwage; Alina Shafikova; Eranda Nikolla; Guangzhao Mao; Stephanie L. Brock; Liang Zhang; Long Luo

doi:10.1038/s41467-021-25192-4

Nature Communications (Aug 2021)

Atomically dispersed Pb ionic sites in PbCdSe quantum dot gels enhance room-temperature NO2 sensing

Xin Geng,
Shuwei Li,
Lalani Mawella-Vithanage,
Tao Ma,
Mohamed Kilani,
Bingwen Wang,
Lu Ma,
Chathuranga C. Hewa-Rahinduwage,
Alina Shafikova,
Eranda Nikolla,
Guangzhao Mao,
Stephanie L. Brock,
Liang Zhang,
Long Luo

Affiliations

Xin Geng: Department of Chemistry, Wayne State University
Shuwei Li: Center for Combustion Energy, Tsinghua University
Lalani Mawella-Vithanage: Department of Chemistry, Wayne State University
Tao Ma: Michigan Center for Materials Characterization, University of Michigan
Mohamed Kilani: School of Chemical Engineering, University of New South Wales
Bingwen Wang: Department of Chemical Engineering and Material Science, Wayne State University
Lu Ma: National Synchrotron Light Source II, Brookhaven National Laboratory
Chathuranga C. Hewa-Rahinduwage: Department of Chemistry, Wayne State University
Alina Shafikova: Department of Chemistry, Wayne State University
Eranda Nikolla: Department of Chemical Engineering and Material Science, Wayne State University
Guangzhao Mao: School of Chemical Engineering, University of New South Wales
Stephanie L. Brock: Department of Chemistry, Wayne State University
Liang Zhang: Center for Combustion Energy, Tsinghua University
Long Luo: Department of Chemistry, Wayne State University

DOI: https://doi.org/10.1038/s41467-021-25192-4
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 11

Abstract

Read online

Quantum dot-based NO2 sensors often suffer from low sensitivity or long recovery times. Here, the authors report that bimetallic PbCdSe quantum dot gels containing atomically dispersed Pb ionic sites enable ultra-sensitive and fast NO2 sensing.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal