Non hydrazine based chemical synthesis of earth abundant Cu2SnS3 thin film photocatalyst for wastewater treatment

M. Burhanuz Zaman; Vipin Shrotriya; Amzad Hossain; Ibrahim M. Mehedi; Md Mottahir Alam

doi:10.1016/j.ceramint.2023.03.215

Non hydrazine based chemical synthesis of earth abundant Cu₂SnS₃ thin film photocatalyst for wastewater treatment

M. Burhanuz Zaman^*, Vipin Shrotriya, Amzad Hossain^*, Ibrahim M. Mehedi, Md Mottahir Alam

^*Corresponding author for this work

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

2 Citations (Scopus)

Abstract

Utilization of renewable solar energy has been a vital achievement for material scientists. The present work represents synthesis of Cu₂SnS₃ (CTS) thin film photocatalysts by a simple and economical spin coating sol gel method. The films were investigated for their structural, morphological, compositional, optical and chemical properties. Monoethanolamine (MEA) was employed to enhance the age of CTS gel by increasing its stability. X-ray diffraction (XRD) and Raman analysis indicated formation of single phase pristine tetragonal CTS material. Morphological studies showed the films are covered with CTS quantum dots. X-ray photoelectron spectroscopy (XPS) revealed oxidation states of Cu, Sn and S as +1, +4 and −2 respectively. The CTS material exhibited polycrystalline nature determined from the selected area electron diffraction (SAED) patterns of the films. The films has optimum energy band gap (∼1.7 eV) suitable for visible light photocatalysis. The thin films were explored as photocatalysts against methylene blue (MB) dye and it was found that the films degraded most of the dye (∼87%) in just 90 min of visible light illumination. Reusability experiments performed showed the films can be used again and again without considerable loss in the activity.

Original language	English
Pages (from-to)	20822-20831
Number of pages	10
Journal	Ceramics International
Volume	49
Issue number	12
DOIs	https://doi.org/10.1016/j.ceramint.2023.03.215
Publication status	Published - 15 Jun 2023
Externally published	Yes

Keywords

CTS thin films
Photo-degradation
Polycrystalline
Quantum dots
Reusability

UN SDGs

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

Access to Document

10.1016/j.ceramint.2023.03.215

Cite this

@article{ee6025c50a4d413c9b0e116b6547d48c,

title = "Non hydrazine based chemical synthesis of earth abundant Cu2SnS3 thin film photocatalyst for wastewater treatment",

abstract = "Utilization of renewable solar energy has been a vital achievement for material scientists. The present work represents synthesis of Cu2SnS3 (CTS) thin film photocatalysts by a simple and economical spin coating sol gel method. The films were investigated for their structural, morphological, compositional, optical and chemical properties. Monoethanolamine (MEA) was employed to enhance the age of CTS gel by increasing its stability. X-ray diffraction (XRD) and Raman analysis indicated formation of single phase pristine tetragonal CTS material. Morphological studies showed the films are covered with CTS quantum dots. X-ray photoelectron spectroscopy (XPS) revealed oxidation states of Cu, Sn and S as +1, +4 and −2 respectively. The CTS material exhibited polycrystalline nature determined from the selected area electron diffraction (SAED) patterns of the films. The films has optimum energy band gap (∼1.7 eV) suitable for visible light photocatalysis. The thin films were explored as photocatalysts against methylene blue (MB) dye and it was found that the films degraded most of the dye (∼87%) in just 90 min of visible light illumination. Reusability experiments performed showed the films can be used again and again without considerable loss in the activity.",

keywords = "CTS thin films, Photo-degradation, Polycrystalline, Quantum dots, Reusability",

author = "Zaman, {M. Burhanuz} and Vipin Shrotriya and Amzad Hossain and Mehedi, {Ibrahim M.} and Alam, {Md Mottahir}",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier Ltd and Techna Group S.r.l.",

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AU - Zaman, M. Burhanuz

AU - Shrotriya, Vipin

AU - Hossain, Amzad

AU - Mehedi, Ibrahim M.

AU - Alam, Md Mottahir

PY - 2023/6/15

Y1 - 2023/6/15

N2 - Utilization of renewable solar energy has been a vital achievement for material scientists. The present work represents synthesis of Cu2SnS3 (CTS) thin film photocatalysts by a simple and economical spin coating sol gel method. The films were investigated for their structural, morphological, compositional, optical and chemical properties. Monoethanolamine (MEA) was employed to enhance the age of CTS gel by increasing its stability. X-ray diffraction (XRD) and Raman analysis indicated formation of single phase pristine tetragonal CTS material. Morphological studies showed the films are covered with CTS quantum dots. X-ray photoelectron spectroscopy (XPS) revealed oxidation states of Cu, Sn and S as +1, +4 and −2 respectively. The CTS material exhibited polycrystalline nature determined from the selected area electron diffraction (SAED) patterns of the films. The films has optimum energy band gap (∼1.7 eV) suitable for visible light photocatalysis. The thin films were explored as photocatalysts against methylene blue (MB) dye and it was found that the films degraded most of the dye (∼87%) in just 90 min of visible light illumination. Reusability experiments performed showed the films can be used again and again without considerable loss in the activity.

AB - Utilization of renewable solar energy has been a vital achievement for material scientists. The present work represents synthesis of Cu2SnS3 (CTS) thin film photocatalysts by a simple and economical spin coating sol gel method. The films were investigated for their structural, morphological, compositional, optical and chemical properties. Monoethanolamine (MEA) was employed to enhance the age of CTS gel by increasing its stability. X-ray diffraction (XRD) and Raman analysis indicated formation of single phase pristine tetragonal CTS material. Morphological studies showed the films are covered with CTS quantum dots. X-ray photoelectron spectroscopy (XPS) revealed oxidation states of Cu, Sn and S as +1, +4 and −2 respectively. The CTS material exhibited polycrystalline nature determined from the selected area electron diffraction (SAED) patterns of the films. The films has optimum energy band gap (∼1.7 eV) suitable for visible light photocatalysis. The thin films were explored as photocatalysts against methylene blue (MB) dye and it was found that the films degraded most of the dye (∼87%) in just 90 min of visible light illumination. Reusability experiments performed showed the films can be used again and again without considerable loss in the activity.

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KW - Photo-degradation

KW - Polycrystalline

KW - Quantum dots

KW - Reusability

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