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Thiolate-Protected Noble Metal Nanoclusters
Research Guide

What is Thiolate-Protected Noble Metal Nanoclusters?

Thiolate-protected noble metal nanoclusters are atomically precise clusters of noble metals such as gold, silver, and platinum stabilized by thiolate ligands, enabling defined structures and tunable properties.

These nanoclusters feature metal cores protected by thiolate shells, with structures resolved by X-ray crystallography. Key examples include Ag44 and Au12Ag32 (Yang et al., 2013, 764 citations) and ultrastable silver nanoparticles (Desireddy et al., 2013, 1143 citations). Research spans synthesis, ligand exchange, and applications in catalysis and biomedicine, with over 10 high-citation papers since 2013.

Curated Papers

Key Challenges

Why It Matters

Thiolate-protected nanoclusters enable precise control over size and functionality for catalysis, as shown by size-controlled gold clusters with exceptional oxidation activity (Corma et al., 2013, 458 citations). In biomedicine, they support bioimaging (Wolfbeis, 2015, 1558 citations) and functionalization for sensing and therapy (Song et al., 2016, 319 citations; Conde et al., 2014, 402 citations). Electrocatalytic applications include hydrogen production with PtAu24 nanoclusters (Kwak et al., 2017, 350 citations), impacting energy and cancer therapy (Zhang et al., 2022, 812 citations).

Key Research Challenges

Structural Isomerism Resolution

Multiple isomers complicate structural determination despite X-ray crystallography. Tian et al. (2015, 317 citations) revealed isomerism in gold nanoparticles. Advanced spectroscopy is needed for unambiguous identification.

Stability Enhancement

Maintaining ultrastability under operational conditions remains difficult. Desireddy et al. (2013, 1143 citations) achieved ultrastable silver nanoparticles via thiolate protection. Scaling synthesis without aggregation poses ongoing issues.

Ligand-Metal Interaction Control

Tuning core-ligand motifs affects properties but requires precise synthesis. Yang et al. (2013, 764 citations) stabilized all-thiol Ag44 and Au12Ag32. Ligand exchange mechanisms need better theoretical models.

Essential Papers

An overview of nanoparticles commonly used in fluorescent bioimaging

Otto S. Wolfbeis · 2015 · Chemical Society Reviews · 1.6K citations

This article gives an overview of the various kinds of nanoparticles (NPs) that are widely used for purposes of fluorescent imaging, mainly of cells and tissues.

Ultrastable silver nanoparticles

Anil Desireddy, Brian E. Conn, Jingshu Guo et al. · 2013 · Nature · 1.1K citations

Platinum-based drugs for cancer therapy and anti-tumor strategies

Chunyu Zhang, Chao Xu, Xueyun Gao et al. · 2022 · Theranostics · 812 citations

Platinum-based drugs cisplatin, carboplatin, and oxaliplatin are widely used for chemotherapeutic eradication of cancer. However, the side effects of platinum drugs, such as lack of selectivity, hi...

All-thiol-stabilized Ag44 and Au12Ag32 nanoparticles with single-crystal structures

Huayan Yang, Yu Wang, Hua-Qi Huang et al. · 2013 · Nature Communications · 764 citations

Exceptional oxidation activity with size-controlled supported gold clusters of low atomicity

Avelino Corma, Patricia Concepción, Mercedes Boronat et al. · 2013 · Nature Chemistry · 458 citations

Revisiting 30 years of biofunctionalization and surface chemistry of inorganic nanoparticles for nanomedicine

João Conde, Jorge T. Dias, Valeria GrazÃo et al. · 2014 · Frontiers in Chemistry · 402 citations

In the last 30 years we have assisted to a massive advance of nanomaterials in material science. Nanomaterials and structures, in addition to their small size, have properties that differ from thos...

Simple size-controlled synthesis of Au nanoparticles and their size-dependent catalytic activity

Petr Suchomel, Libor Kvı́tek, Robert Prucek et al. · 2018 · Scientific Reports · 367 citations

Reading Guide

Foundational Papers

Start with Desireddy et al. (2013, 1143 citations) for ultrastable Ag synthesis, then Yang et al. (2013, 764 citations) for thiol structures, and Corma et al. (2013, 458 citations) for catalytic properties.

Recent Advances

Study Kwak et al. (2017, 350 citations) for PtAu24 electrocatalysis and Tian et al. (2015, 317 citations) for Au isomerism; include Zhang et al. (2022, 812 citations) for Pt biomedical advances.

Core Methods

X-ray crystallography for structures (Yang et al., 2013), DFT simulations for stability (Desireddy et al., 2013), and size-controlled synthesis via thiol ligands (Corma et al., 2013).

How PapersFlow Helps You Research Thiolate-Protected Noble Metal Nanoclusters

Discover & Search

PapersFlow's Research Agent uses searchPapers and citationGraph to map high-citation works like Desireddy et al. (2013, 1143 citations), then findSimilarPapers uncovers related thiolate structures such as Yang et al. (2013). exaSearch queries 'thiolate-protected Au Ag nanoclusters stability' for 250M+ OpenAlex papers.

Analyze & Verify

Analysis Agent employs readPaperContent on Yang et al. (2013) to extract single-crystal structures, verifyResponse with CoVe checks stability claims against Desireddy et al. (2013), and runPythonAnalysis computes HOMO-LUMO gaps from DFT data using NumPy. GRADE grading scores evidence strength for catalysis claims in Corma et al. (2013).

Synthesize & Write

Synthesis Agent detects gaps in ligand exchange coverage across papers, flags contradictions in isomer counts (Tian et al., 2015 vs. Yang et al., 2013), and uses exportMermaid for core-shell diagrams. Writing Agent applies latexEditText to draft sections, latexSyncCitations for 10+ references, and latexCompile for publication-ready manuscripts.

Use Cases

"Analyze size dependence of catalytic activity in thiolate Au nanoclusters from Corma 2013."

Analysis Agent → readPaperContent (Corma et al., 2013) → runPythonAnalysis (plot activity vs. atomicity with matplotlib, NumPy stats) → GRADE-verified turnover frequency table.

"Write LaTeX review on structures of Ag44 and Au12Ag32 nanoclusters."

Synthesis Agent → gap detection (Yang et al., 2013) → Writing Agent → latexEditText (structure section) → latexSyncCitations (10 papers) → latexCompile (PDF with figures).

"Find GitHub code for simulating thiolate-metal interactions in nanoclusters."

Research Agent → paperExtractUrls (Kwak et al., 2017) → paperFindGithubRepo → githubRepoInspect (DFT scripts) → runPythonAnalysis (reproduce HOMO-LUMO in sandbox).

Automated Workflows

Deep Research workflow conducts systematic review of 50+ thiolate nanocluster papers, chaining citationGraph from Desireddy et al. (2013) to structured report on stability trends. DeepScan applies 7-step analysis with CoVe checkpoints to verify structures in Yang et al. (2013). Theorizer generates hypotheses on ligand effects from Corma et al. (2013) and Kwak et al. (2017) data.

Try Doxa for Thiolate-Protected Noble Metal Nanoclusters Research

Frequently Asked Questions

What defines thiolate-protected noble metal nanoclusters?

Atomically precise noble metal cores (Au, Ag, Pt) stabilized by thiolate ligands, with defined M-S frameworks resolved by X-ray crystallography (Yang et al., 2013).

What are key synthesis methods?

Thiol etching and ligand exchange yield precise sizes, as in all-thiol-stabilized Ag44 (Yang et al., 2013, 764 citations) and ultrastable Ag nanoparticles (Desireddy et al., 2013).

What are landmark papers?

Desireddy et al. (2013, Nature, 1143 citations) on ultrastable Ag; Yang et al. (2013, 764 citations) on Ag44/Au12Ag32 structures; Corma et al. (2013, 458 citations) on Au catalysis.

What open problems exist?

Resolving structural isomers (Tian et al., 2015), enhancing biomedicine stability (Song et al., 2016), and scaling electrocatalysts (Kwak et al., 2017).