Publication detail

A 1D conical nanotubular TiO2/CdS heterostructure with superior photon-to-electron conversion

ZAZPE MENDIOROZ, R. SOPHA, H. PŘIKRYL, J. KRBAL, M. MISTRÍK, J. DVOŘÁK, F. HROMÁDKO, L. MACÁK, J.

Original Title

A 1D conical nanotubular TiO2/CdS heterostructure with superior photon-to-electron conversion

Type

journal article in Web of Science

Language

English

Original Abstract

Herein, a new strategy to efficiently harvest photons in solar cells is presented. A solar cell heterostructure is put forward, based on a 1D conical TiO2 nanotubular scaffold of high aspect ratio, homogenously coated with a thin few nm layer of CdS light absorber using atomic layer deposition (ALD). For the first time, a large variety of conical nanotube layers with a huge span of aspect ratios was utilized and ALD was used for the preparation of a uniform CdS coating within the entire high surface area of the TiO2 nanotubes. The resulting 1D conical CdS/TiO2 tubular heterostructure acts as a sink for photons. Due to the multiple light scattering and absorption events within this nanotubular sink, a large portion of photons (nearly 80%) is converted into electrons. It is the combination of the scaffold architecture and the light absorber present on the high surface area as a very thin layer, the optimized charge transport and multiple optical effects that make this heterostructure very promising for the next generation of highly performing solar cells

Keywords

ATOMIC LAYER DEPOSITION; SENSITIZED SOLAR-CELLS; PHOTOELECTROCHEMICAL PROPERTIES; PHOTOCATALYTIC ACTIVITY; QUANTUM DOTS; CDS NANOPARTICLES; TITANIUM-DIOXIDE; BAND-GAP; LOW-COST; ARRAYS

Authors

ZAZPE MENDIOROZ, R.; SOPHA, H.; PŘIKRYL, J.; KRBAL, M.; MISTRÍK, J.; DVOŘÁK, F.; HROMÁDKO, L.; MACÁK, J.

Released

21. 9. 2018

ISBN

2040-3372

Periodical

Nanoscale

Year of study

10

Number

35

State

United Kingdom of Great Britain and Northern Ireland

Pages from

16601

Pages to

16612

Pages count

12

URL

https://pubs.rsc.org/en/content/articlelanding/2018/nr/c8nr02418a#!divAbstract

BibTex

@article{BUT150268,
  author="Raúl {Zazpe Mendioroz} and Hanna Ingrid {Sopha} and Jan {Přikryl} and Miloš {Krbal} and Jan {Mistrík} and Filip {Dvořák} and Luděk {Hromádko} and Jan {Macák}",
  title="A 1D conical nanotubular TiO2/CdS heterostructure with superior photon-to-electron conversion",
  journal="Nanoscale",
  year="2018",
  volume="10",
  number="35",
  pages="16601--16612",
  doi="10.1039/c8nr02418a",
  issn="2040-3372",
  url="https://pubs.rsc.org/en/content/articlelanding/2018/nr/c8nr02418a#!divAbstract"
}