Structure · dataset · 2026
Surface-Treated InP Quantum Dots for Selective CO<sub>2</sub> Photoreduction
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Photocatalytic CO<sub>2</sub> reduction over semiconductor quantum dots (QDs) offers a promising strategy for solar fuel production, yet the influence of surface atomic structure on reaction pathways and product selectivity remains poorly understood.
Description
Herein, surface-treated indium phosphide (InP) QDs with tetrapod and tetrahedral morphologies were synthesized through a temperature-controlled hot-injection method followed by hydrofluoric acid post-treatment.
Removal of the native surface oxide layer effectively suppresses charge-carrier trapping and prolongs carrier lifetimes, resulting in significantly enhanced photocatalytic CO<sub>2</sub> reduction activity. More importantly, the product selectivity is governed by the exposed crystal facets: (110)-oriented tetrapod preferentially produces CO through a two-electron pathway, whereas (111)-oriented tetrahedron promotes further hydrogenation toward CH<sub>4</sub>.
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This work establishes a direct structure–reactivity relationship between surface atomic arrangement and CO<sub>2</sub> photoreduction selectivity, providing a design principle for environmentally benign QD photocatalysts for solar fuel production.
Links
Where it is published
- DOI doi.org/10.1021/acs.jpclett.6c02570.s001 ↗
DOI / persistent id · from zivahub uct ac za
Catalogue records · 1
- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
metadata API · from zivahub uct ac za
Topics
- From keywords
- Chemistry · Earth & Environmental Science · Energy · Immunology · Infectious diseases · Inorganic chemistry · Life Sciences · Materials Science · Medicine & Health · Physics · Plant biology
Provenance · 1 source records, 16 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| ZivaHub | oai:figshare.com:article/34018143 | 11 d ago | JSON v1 |
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| concepts[field].anzsrc:group:3204 | mapping · zivahub uct ac za | vocabulary-mapper@1.0.0 | keywords['Immunology'] |
| concepts[field].anzsrc:group:3402 | mapping · zivahub uct ac za | vocabulary-mapper@1.0.0 | keywords['Inorganic Chemistry'] |
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