BROWSE

Related Scientist

Researcher

나노물질 및 화학반응 연구단
나노물질 및 화학반응 연구단
more info

Tandem-structured, hot electron based photovoltaic cell with double Schottky barriers

Cited 9 time in webofscience Cited 0 time in scopus
515 Viewed 499 Downloaded
Title
Tandem-structured, hot electron based photovoltaic cell with double Schottky barriers
Author(s)
Young Keun Lee; Hyosun Lee; Jeong Young Park
Publication Date
2014-04
Journal
SCIENTIFIC REPORTS, v.4, no., pp.4580 -
Publisher
NATURE PUBLISHING GROUP
Abstract
We demonstrate a tandem-structured, hot electron based photovoltaic cell with double Schottky barriers. The tandem-structured, hot electron based photovoltaic cell is composed of two metal/semiconductor interfaces. Two types of tandem cells were fabricated using TiO2/Au/Si and TiO2/Au/TiO2, and photocurrent enhancement was detected. The double Schottky barriers lead to an additional pathway for harvesting hot electrons, which is enhanced through multiple reflections between the two barriers with different energy ranges. In addition, light absorption is improved by the band-to-band excitation of both semiconductors with different band gaps. Short-circuit current and energy conversion efficiency of the tandem-structured TiO2/Au/Si increased by 86% and 70%, respectively, compared with Au/Si metal/semiconductor nanodiodes, showing an overall solar energy conversion efficiency of 5.3%.
URI
http://pr.ibs.re.kr/handle/8788114/1067
DOI
10.1038/srep04580
ISSN
2045-2322
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
292_Scientific Reports_4_4580_2014.pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse