Research

Quantum-dot-sensitized solar cells with water-soluble and air-stable PbS quantum dots


Reference:

Jumabekov, A.N., Deschler, F., Böhm, D., Peter, L.M., Feldmann, J. and Bein, T., 2014. Quantum-dot-sensitized solar cells with water-soluble and air-stable PbS quantum dots. Journal of Physical Chemistry C, 118 (10), pp. 5142-5149.

Related documents:

This repository does not currently have the full-text of this item.
You may be able to access a copy if URLs are provided below. (Contact Author)

Official URL:

http://dx.doi.org/10.1021/jp4110773

Related URLs:

Abstract

The sensitization of dispersed P25 TiO nanoparticles (NPs) and macroporous TiO films with water-soluble and air-stable PbS quantum dots (QDs) capped with l-glutathione (GSH) ligands was investigated. Optimum sensitization was achieved by careful adjustment of the surface charges of TiO and PbS QDs by controlling the pH of the QD solution. Efficient electron transfer from photoexcited PbS QDs via the GSH ligands into the conduction band of TiO was demonstrated by photoluminescence (PL) spectroscopy of PbS-sensitized P25 nanoparticles. The PbS QD-sensitized porous TiO electrodes were used to prepare quantum-dot-sensitized solar cells (QDSSCs) utilizing a CuS counter electrode and aqueous polysulfide electrolyte. Cells with up to 64% injection efficiency, 1.1% AM 1.5 conversion efficiency, and short circuit current density of 7.4 mA cm were obtained. The physical parameters of the cells were investigated using impedance spectroscopy.

Details

Item Type Articles
CreatorsJumabekov, A.N., Deschler, F., Böhm, D., Peter, L.M., Feldmann, J. and Bein, T.
DOI10.1021/jp4110773
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?scp=84896378963&partnerID=8YFLogxKUNSPECIFIED
DepartmentsFaculty of Science > Chemistry
Research CentresCentre for Sustainable Chemical Technologies
RefereedYes
StatusPublished
ID Code39062

Export

Actions (login required)

View Item