Primary studyCore evidenceTransport Physics

Embedding Pt in Ni-MOF/CdS organic-inorganic hybrid materials as electron channel to promote photogenerated carrier separation for enhanced photocatalytic hydrogen evolution under visible light

Lu Y., Wang Y., Liu J. et al. · Separation and Purification Technology · 2024 · 128000

6materials
10samples
10synthesis routes
27measurements
59results
6claims and caveats

Evidence map

Open a family to keep every result attached to its sample, method and conditions.

Author interpretations and caveats

Paraphrased for this database from the authors’ stated interpretations — never quoted verbatim — and kept separate from reported measurements.

Application RelevanceSupport assessment: High

0.3 NPC is the best photocatalytic hydrogen evolution sample, reaching 14.1 mmol h-1 g-1 with AQY 7.08%, about 61.3-fold higher than pure CdS.

Caveat: No uncertainty or replicated error bars were reported in the extracted main text.

1, 6 · Abstract; 3.4 · Fig. 7a · Linked to 4 structured results

Phase AssignmentSupport assessment: High

Ni-MOF and PC successfully formed an organic-inorganic hybrid material in 0.3 NPC.

Caveat: XRD evidence for Ni-MOF and Pt in NPC was weak because their peaks were not clearly observed due to low loading.

4 · 3.1 · Fig. 2 · Linked to 4 structured results

Structure Property LinkSupport assessment: Medium

Ni-MOF provides high surface area and active sites but has poor electrical conductivity and low electron-hole generation/separation rates.

Caveat: Main text gives this as motivation, with no quantitative conductivity or porosity result for Ni-MOF.

1-2 · Abstract; Introduction

Structure Property LinkSupport assessment: High

Loading Ni-MOF on PC reduces the apparent forbidden bandwidth to 2.34 eV for 0.3 NPC compared with 2.42 eV for CdS and 2.86 eV for Ni-MOF.

Caveat: Based on authors' Tauc analysis of diffuse reflectance data.

5 · 3.2 · Fig. 4 · Linked to 3 structured results

Transport MechanismSupport assessment: High

Pt in NPC functions not only as an electron trap but also as an electron transport channel between CdS and Ni-MOF.

Caveat: No direct electrical conductivity value was reported; mechanism is inferred from XPS shifts and electrochemical/photophysical trends.

4-6 · 3.1; 3.3 · Fig. 3f; Fig. 6 · Linked to 4 structured results

Transport MechanismSupport assessment: Medium

Pt-S bond formation inhibits oxidation of S2- to S on CdS, reducing photocorrosion and supporting 92.6% H2 activity retention after five cycles.

Caveat: Pt-S bond is inferred from Pt(II) XPS; stability claim is supported by photocatalytic cycling but not by post-cycling structural data in the main text.

1, 6-7 · Abstract; 3.4; 4 · Fig. 3f; Fig. 7b · Linked to 3 structured results

Material identities

Names and aliases are kept exactly within the paper’s own identity model.

MaterialCompositionStructure contextSource
CdS nanorodsCdSCd1D · PristineCdS crystalline planes assigned to JCPDS No. 41-1049; nanorod/nanoflower morphology.2-3 · 2.1; 3.1 · Fig. 2a; Fig. S1 referenced
Ni-MOF/CdSNi-MOF/CdSNi; Cd · terephthalic acid / BDCunknown · CompositeOrganic-inorganic Ni-MOF/CdS hybrid without Pt.2 · 2.3 · Fig. 1c
Ni-MOFnickel terephthalate MOF, exact formula not reportedNi2+ · terephthalic acid / BDC2D · PristineNi-MOF nanosheets; XRD pattern stated to agree with previous reports.2-4 · Introduction; 3.1 · Fig. 2b; Fig. 3c
Ni-MOF/1 permille Pt/CdSNi-MOF/Pt/CdSNi; Cd; Pt · terephthalic acid / BDCunknown · CompositePt-embedded organic-inorganic hybrid; Ni-MOF nanosheets assembled in CdS nanorods and Pt acts as an electron transport channel.1-3 · Abstract; 2.3; 3.1 · Fig. 2c-i
1 permille Pt/CdSPt/CdSCd; Pt1D · CompositePt loaded on CdS; Pt-S bond inferred by Pt 4f XPS.2 · 2.2 · Fig. 1b; Fig. 3f
1 permille Pt/Ni-MOF/CdSPt/Ni-MOF/CdSNi; Cd; Pt · terephthalic acid / BDCunknown · CompositePt-loaded Ni-MOF/CdS prepared after NC formation; control for Pt placement.2 · 2.3 · Fig. 7a

Sample register

Sample form, processing state and composition status define the context for measurements.

Show 10 sample records
SampleForm and roleProcessing and geometrySource
0.1 NPCresearch_0436__mat__mat_npcPowder · Composite Sample · CompositeNi-MOF grown with varied terephthalic acid/NiCl2.6H2O amount on PC2 · 2.3 · Fig. 7a
0.2 NPCresearch_0436__mat__mat_npcPowder · Composite Sample · CompositeNi-MOF grown with varied terephthalic acid/NiCl2.6H2O amount on PC2 · 2.3 · Fig. 7a
0.3 NCresearch_0436__mat__mat_ncPowder · Composite Sample · CompositeNi-MOF/CdS prepared by the NPC method without Pt2, 6 · 2.3; 3.4 · Fig. 7a
0.3 NPCresearch_0436__mat__mat_npcPowder · Target Sample · CompositeNi-MOF grown solvothermally on 1 permille Pt/CdS using 0.3 mmol NiCl2.6H2O and 0.3 mmol terephthalic acid2, 6 · 2.3; 3.4 · Fig. 2c-i; Fig. 7a
0.3 PNCresearch_0436__mat__mat_pncPowder · Composite Sample · Composite1 permille Pt loaded onto 0.3 NC2, 6 · 2.3; 3.4 · Fig. 7a
0.4 NPCresearch_0436__mat__mat_npcPowder · Composite Sample · CompositeNi-MOF grown with varied terephthalic acid/NiCl2.6H2O amount on PC2 · 2.3 · Fig. 7a
0.5 NPCresearch_0436__mat__mat_npcPowder · Composite Sample · CompositeNi-MOF grown with varied terephthalic acid/NiCl2.6H2O amount on PC2 · 2.3
CdSresearch_0436__mat__mat_cdsPowder · Pristine Control · Unknownhydrothermally prepared CdS nanorods, vacuum dried2 · 2.1 · Fig. 2a
Ni-MOFresearch_0436__mat__mat_ni_mofPowder · Pristine Control · Pristine Frameworkstandalone Ni-MOF powder; synthesis details not given in main text3-5 · 3.1-3.3 · Fig. 2b; Fig. 3c; Fig. 4; Fig. 5b; Fig. 6c
PCresearch_0436__mat__mat_pcPowder · Composite Component · Composite1 permille Pt loaded on CdS, vacuum dried2 · 2.2 · Fig. 1b