Issue 57, 2013
From the journal:

Chemical Communications

Sixfold enhancement of photocurrent by surface charge controlled high density quantum dot coating†

Jin-Wook Lee,a   Jong-Deok Honga  and  Nam-Gyu Park*a  

* Corresponding authors

a School of Chemical Engineering and Department of Energy Science, Sungkyunkwan University, Suwon 440-746, Korea
E-mail: npark@skku.edu
Fax: +82-31-290-7272
Tel: +82-31-290-7241

Abstract

A wet-chemical method for increasing the number of quantum dots (QDs) per unit surface area of TiO2 was developed. High density QD surface coating was induced by a surface charge controlled SILAR method, which led to a sixfold increase in photocurrent density from 2.15 mA cm−2 to 15.03 mA cm−2 in a QD-sensitized solar cell based on a Hg-doped PbS sensitized 2.4 μm-thick TiO2 film.

Graphical abstract: Sixfold enhancement of photocurrent by surface charge controlled high density quantum dot coating

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Article information

DOI
https://doi.org/10.1039/C3CC42896F
Article type
Communication
Submitted
19 Apr 2013
Accepted
31 May 2013
First published
03 Jun 2013

Chem. Commun., 2013,49, 6448-6450

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Sixfold enhancement of photocurrent by surface charge controlled high density quantum dot coating

J. Lee, J. Hong and N. Park, Chem. Commun., 2013, 49, 6448 DOI: 10.1039/C3CC42896F

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