Efficient light harvesting and carrier transport in PbS quantum dots/silicon nanotips heterojunctions

Chun Ying Huang; Di Yan Wang; Chun Hsiung Wang; Yaw Tyng Wang; You Ting Jiang; Ying Jay Yang; Chia Chun Chen; Yang Fang Chen

doi:10.1088/0022-3727/44/8/085103

Efficient light harvesting and carrier transport in PbS quantum dots/silicon nanotips heterojunctions

Chun Ying Huang^*
, Di Yan Wang
, Chun Hsiung Wang
, Yaw Tyng Wang
, You Ting Jiang
, Ying Jay Yang
, Chia Chun Chen
, Yang Fang Chen

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

Light harvesting from nanocomposites consisting of silicon (Si) nanotips and PbS quantum dots (QDs) has been investigated. We show that Si nanotips provide direct carrier transport paths, additional interfacial area and light trapping. We observe that there is a dramatic enhancement in short-circuit current (from 9.34 to 14.17mAcm^-2) with nanotips structure than that of the bulk Si wafer. In addition, with an additional electron blocking layer, the photovoltaic performance can be further increased. The nanocomposites consisting of QDs and Si nanotips therefore open a promising route for efficient light harvesting from visible to infrared with improved power conversion efficiency.

Original language	English
Article number	085103
Journal	Journal of Physics D: Applied Physics
Volume	44
Issue number	8
DOIs	https://doi.org/10.1088/0022-3727/44/8/085103
Publication status	Published - 2011 Mar 2

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

Access to Document

10.1088/0022-3727/44/8/085103

Cite this

@article{def8cdfa4ff840a2a4127d496b92a0c1,

title = "Efficient light harvesting and carrier transport in PbS quantum dots/silicon nanotips heterojunctions",

abstract = "Light harvesting from nanocomposites consisting of silicon (Si) nanotips and PbS quantum dots (QDs) has been investigated. We show that Si nanotips provide direct carrier transport paths, additional interfacial area and light trapping. We observe that there is a dramatic enhancement in short-circuit current (from 9.34 to 14.17mAcm-2) with nanotips structure than that of the bulk Si wafer. In addition, with an additional electron blocking layer, the photovoltaic performance can be further increased. The nanocomposites consisting of QDs and Si nanotips therefore open a promising route for efficient light harvesting from visible to infrared with improved power conversion efficiency.",

author = "Huang, \{Chun Ying\} and Wang, \{Di Yan\} and Wang, \{Chun Hsiung\} and Wang, \{Yaw Tyng\} and Jiang, \{You Ting\} and Yang, \{Ying Jay\} and Chen, \{Chia Chun\} and Chen, \{Yang Fang\}",

year = "2011",

month = mar,

day = "2",

doi = "10.1088/0022-3727/44/8/085103",

language = "English",

volume = "44",

journal = "Journal of Physics D: Applied Physics",

issn = "0022-3727",

publisher = "Institute of Physics",

number = "8",

}

TY - JOUR

T1 - Efficient light harvesting and carrier transport in PbS quantum dots/silicon nanotips heterojunctions

AU - Huang, Chun Ying

AU - Wang, Di Yan

AU - Wang, Chun Hsiung

AU - Wang, Yaw Tyng

AU - Jiang, You Ting

AU - Yang, Ying Jay

AU - Chen, Chia Chun

AU - Chen, Yang Fang

PY - 2011/3/2

Y1 - 2011/3/2

N2 - Light harvesting from nanocomposites consisting of silicon (Si) nanotips and PbS quantum dots (QDs) has been investigated. We show that Si nanotips provide direct carrier transport paths, additional interfacial area and light trapping. We observe that there is a dramatic enhancement in short-circuit current (from 9.34 to 14.17mAcm-2) with nanotips structure than that of the bulk Si wafer. In addition, with an additional electron blocking layer, the photovoltaic performance can be further increased. The nanocomposites consisting of QDs and Si nanotips therefore open a promising route for efficient light harvesting from visible to infrared with improved power conversion efficiency.

AB - Light harvesting from nanocomposites consisting of silicon (Si) nanotips and PbS quantum dots (QDs) has been investigated. We show that Si nanotips provide direct carrier transport paths, additional interfacial area and light trapping. We observe that there is a dramatic enhancement in short-circuit current (from 9.34 to 14.17mAcm-2) with nanotips structure than that of the bulk Si wafer. In addition, with an additional electron blocking layer, the photovoltaic performance can be further increased. The nanocomposites consisting of QDs and Si nanotips therefore open a promising route for efficient light harvesting from visible to infrared with improved power conversion efficiency.

UR - https://www.scopus.com/pages/publications/79951782403

UR - https://www.scopus.com/pages/publications/79951782403#tab=citedBy

U2 - 10.1088/0022-3727/44/8/085103

DO - 10.1088/0022-3727/44/8/085103

M3 - Article

AN - SCOPUS:79951782403

SN - 0022-3727

VL - 44

JO - Journal of Physics D: Applied Physics

JF - Journal of Physics D: Applied Physics

IS - 8

M1 - 085103

ER -

Efficient light harvesting and carrier transport in PbS quantum dots/silicon nanotips heterojunctions

Abstract

UN SDGs

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this