Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions
This work aims to study the effect of gold (Au) loading on the photoelectrochemical behavior of tungsten trioxide (WO3 ) photoelectrodes. The WO3 film has been fabricated via electrodeposition method with constant potential on fluorine doped tin oxide (FTO) glass substrate. The Au nanoparticle...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2020
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| Online Access: | http://journalarticle.ukm.my/16186/ http://journalarticle.ukm.my/16186/1/32.pdf |
| _version_ | 1848813988271357952 |
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| author | Lorna Jeffery Minggu, Nurul Akmal Jaafar, Ng, Kim Hang Khuzaimah Arifin, Rozan Mohamad Yunus, |
| author_facet | Lorna Jeffery Minggu, Nurul Akmal Jaafar, Ng, Kim Hang Khuzaimah Arifin, Rozan Mohamad Yunus, |
| author_sort | Lorna Jeffery Minggu, |
| building | UKM Institutional Repository |
| collection | Online Access |
| description | This work aims to study the effect of gold (Au) loading on the photoelectrochemical behavior of tungsten trioxide
(WO3
) photoelectrodes. The WO3
film has been fabricated via electrodeposition method with constant potential on
fluorine doped tin oxide (FTO) glass substrate. The Au nanoparticle loading on WO3
films surface was also prepared by
constant potential electrodeposition. Due to the small amount of Au loading, the band gap values of the plasmonized
WO3
remained around 2.6 eV. However, during the photoelectrochemical analysis, the photoactivity of the plasmonized
WO3
photoelectrodes improved >100% with a minimal amount of Au loading compared to the pristine WO3
. The
photocurrent generation was further enhanced with the presence of organic donors (methanol and formic acid). The
photocurrent achieved 3.74 mA/cm2
when 1.0 M of formic acid was added. Plausible charge transfer mechanism was
suggested. |
| first_indexed | 2025-11-15T00:26:56Z |
| format | Article |
| id | oai:generic.eprints.org:16186 |
| institution | Universiti Kebangasaan Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T00:26:56Z |
| publishDate | 2020 |
| publisher | Penerbit Universiti Kebangsaan Malaysia |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | oai:generic.eprints.org:161862021-02-13T14:32:00Z http://journalarticle.ukm.my/16186/ Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions Lorna Jeffery Minggu, Nurul Akmal Jaafar, Ng, Kim Hang Khuzaimah Arifin, Rozan Mohamad Yunus, This work aims to study the effect of gold (Au) loading on the photoelectrochemical behavior of tungsten trioxide (WO3 ) photoelectrodes. The WO3 film has been fabricated via electrodeposition method with constant potential on fluorine doped tin oxide (FTO) glass substrate. The Au nanoparticle loading on WO3 films surface was also prepared by constant potential electrodeposition. Due to the small amount of Au loading, the band gap values of the plasmonized WO3 remained around 2.6 eV. However, during the photoelectrochemical analysis, the photoactivity of the plasmonized WO3 photoelectrodes improved >100% with a minimal amount of Au loading compared to the pristine WO3 . The photocurrent generation was further enhanced with the presence of organic donors (methanol and formic acid). The photocurrent achieved 3.74 mA/cm2 when 1.0 M of formic acid was added. Plausible charge transfer mechanism was suggested. Penerbit Universiti Kebangsaan Malaysia 2020-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/16186/1/32.pdf Lorna Jeffery Minggu, and Nurul Akmal Jaafar, and Ng, Kim Hang and Khuzaimah Arifin, and Rozan Mohamad Yunus, (2020) Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions. Sains Malaysiana, 49 (12). pp. 3209-3217. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid49bil12_2020/KandunganJilid49Bil12_2020.html |
| spellingShingle | Lorna Jeffery Minggu, Nurul Akmal Jaafar, Ng, Kim Hang Khuzaimah Arifin, Rozan Mohamad Yunus, Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title | Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title_full | Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title_fullStr | Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title_full_unstemmed | Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title_short | Electrodeposited WO3/Au photoanodes for photoelectrochemical reactions |
| title_sort | electrodeposited wo3/au photoanodes for photoelectrochemical reactions |
| url | http://journalarticle.ukm.my/16186/ http://journalarticle.ukm.my/16186/ http://journalarticle.ukm.my/16186/1/32.pdf |