A Simple Approach Low-Temperature Solution Process for Preparation of Bismuth-Doped ZnO Nanorods and Its Application in Hybrid Solar Cells

Riski Titian Ginting, Hock Beng Lee, Sin Tee Tan, Chun Hui Tan, Mohammad Hafizuddin Jumali, Chi Chin Yap, Jae Wook Kang, Muhammad Yahaya

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A simple low-temperature solution processed bismuth-doped ZnO nanorods (NRs) and poly(3-hexylthiophene) (P3HT) were used as electron acceptor and donor, respectively, in a hybrid inorganic-organic photovoltaic system. Controlling Bi precursor concentration via solution processing (hydrothermal method) plays an important role in altering the morphology, structure, and intrinsic defects of ZnO NRs. Interstitial doping of Bi-Bi2O3 into ZnO (BiZO) NRs results in simultaneous improvement of the open circuit voltage and short circuit current density primarily due to prolonged charge carrier recombination lifetime, increased donor-acceptor interfacial areas with efficient exciton dissociation, and charge carrier mobility. As a result, the power conversion efficiency of the 2 wt % BiZO NRs-P3HT device was significantly enhanced by 55% compared with that of the pristine device. Overall, our study highlighted the immense potential of BiZO NRs as an excellent electron acceptor for fabrication of hybrid optoelectronic devices.

Original languageEnglish
Pages (from-to)771-780
Number of pages10
JournalJournal of Physical Chemistry C
Volume120
Issue number1
DOIs
Publication statusPublished - 21 Jan 2016

Fingerprint

Bismuth
Nanorods
bismuth
nanorods
Solar cells
solar cells
preparation
Charge carriers
charge carriers
Temperature
Electrons
Carrier mobility
Open circuit voltage
short circuit currents
optoelectronic devices
carrier mobility
open circuit voltage
Excitons
Short circuit currents
Optoelectronic devices

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

A Simple Approach Low-Temperature Solution Process for Preparation of Bismuth-Doped ZnO Nanorods and Its Application in Hybrid Solar Cells. / Ginting, Riski Titian; Lee, Hock Beng; Tan, Sin Tee; Tan, Chun Hui; Jumali, Mohammad Hafizuddin; Yap, Chi Chin; Kang, Jae Wook; Yahaya, Muhammad.

In: Journal of Physical Chemistry C, Vol. 120, No. 1, 21.01.2016, p. 771-780.

Research output: Contribution to journalArticle

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AU - Jumali, Mohammad Hafizuddin

AU - Yap, Chi Chin

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AU - Yahaya, Muhammad

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