Plasmon-Enhanced Photovoltaic Characteristics of Black Phosphorus-MoSHeterojunction

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

2 Scopus Citations
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Author(s)

  • Chaojian HOU
  • Bo LI
  • Qingwei LI
  • Lijun YANG
  • Yang WANG
  • Zhan YANG

Related Research Unit(s)

Detail(s)

Original languageEnglish
Article number9364738
Pages (from-to)41-51
Journal / PublicationIEEE Open Journal of Nanotechnology
Volume2
Online published26 Feb 2021
Publication statusPublished - 2021

Link(s)

Abstract

Van der Waals p-n heterojunctions, consist of atomically thin two-dimensional (2D) layer semiconductors, have opened a promising avenue for the realization of ultrathin and ultralight photovoltaic solar cells. This feature enables them particularly be suitable as the micro/nanoscale solar energy-conversion units integrated in wireless power supply micro/nano-systems. However, solar energy harvest in these heterojunctions is hindered by inherent weak interlayer interaction at such ultrathin thickness. Herein, a novel integrated strategy by embedding metallic plasmonic pentamers optical nano-antenna array (ONAA) onto overlap region of black phosphorus-molybdenum disulfide (BP-MoS2) p-n heterojunction is firstly exploited under both a near-infrared laser (λ = 830 nm) and standardized AM1.5G solar irradiation. Results show that profiting from plasmon-induced "hot" electrons and thermal field generating from gigantic near-field enhancement in 15 nm-ultrashort nanogap ONAAs and high intrinsic build-in field in atomically overlap region, this integrated configuration displays enhanced photovoltaic properties. Maximum short-circuits current (Isc = 0.53 μA) and open circuit voltage (Voc = 0.2 V) had been attained. Additional fill factor of 14% and double power conversion efficiencies amplification are measured via comparison of device without/with ONAAs. These findings strongly demonstrate this reliable enhancement strategy with integration of plasmonic physics into 2D heterojunctions for realizing energy harvesting unit in the wireless power supply micro/nano-systems.

Research Area(s)

  • black phosphorus-molybdenum disulfide (BP-MoS2) heterojunction, Optical nano-antenna array (ONAA), photovoltaic effect, plasmon

Citation Format(s)

Plasmon-Enhanced Photovoltaic Characteristics of Black Phosphorus-MoSHeterojunction. / HOU, Chaojian; LI, Bo; LI, Qingwei; YANG, Lijun; WANG, Yang; YANG, Zhan; DONG, Lixin.

In: IEEE Open Journal of Nanotechnology, Vol. 2, 9364738, 2021, p. 41-51.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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