Subtopic Deep Dive
Supramolecular Fullerene Chemistry
Research Guide
What is Supramolecular Fullerene Chemistry?
Supramolecular fullerene chemistry studies non-covalent host-guest interactions and self-assembly of fullerenes with macrocycles, porphyrins, and coordination cages.
This field explores molecular recognition between fullerenes and hosts like metalloporphyrins and calixarenes, enabling discrete complexes and ordered arrays (Boyd and Reed, 2004; 505 citations). Key works include jaws porphyrin hosts for fullerene complexation (Sun et al., 2002; 281 citations) and cyclic metalloporphyrin dimers with high affinity modulated by rhodium(III) (Zheng et al., 2001; 181 citations). Over 10 high-impact papers from 1998-2015 document these interactions, with ~3,000 combined citations.
Why It Matters
Supramolecular fullerene chemistry enables selective purification of fullerenes using sponge-like molecular cages (García-Simón et al., 2014; 200 citations), facilitating scalable production of pure C60 and C70 for materials applications. Porphyrin-fullerene constructs form ordered arrays for potential photovoltaic devices (Boyd and Reed, 2004; 505 citations), while surface-templated 2D porphyrin networks host fullerenes for nanoscale electronics (Spillmann et al., 2006; 191 citations). These non-covalent approaches allow stimuli-responsive assemblies for smart materials without covalent synthesis limitations (Tashiro and Aida, 2006; 354 citations).
Key Research Challenges
Quantifying Binding Affinities
Measuring association constants for fullerene-porphyrin complexes remains challenging due to solubility issues and dynamic equilibria. Zheng et al. (2001; 181 citations) showed rhodium(III) dimers achieve extremely high constants, but generalization across hosts requires advanced spectroscopy. Theoretical DFT studies help but need experimental validation (Wang and Lin, 2003; 198 citations).
Selective Fullerene Recognition
Distinguishing C60 from C70 or higher fullerenes demands tailored cavity geometries. Bridged calix[5]arenes preferentially bind C70 (Haino et al., 1998; 195 citations), yet broader selectivity for mixtures is limited. Molecular cage designs address purification but scale poorly (García-Simón et al., 2014; 200 citations).
Stimuli-Responsive Assemblies
Developing pH- or light-responsive fullerene hosts for dynamic materials lacks robust examples. Metalloporphyrin hosts show high affinity but limited responsiveness (Tashiro and Aida, 2006; 354 citations). Integrating with buckybowls or CPPs offers promise but requires stability studies (Yokoi et al., 2015; 267 citations).
Essential Papers
Fullerene−Porphyrin Constructs
Peter D. W. Boyd, Christopher A. Reed · 2004 · Accounts of Chemical Research · 505 citations
Porphyrins and fullerenes are spontaneously attracted to each other. This new supramolecular recognition element can be used to construct discrete host-guest complexes, as well as ordered arrays of...
Metalloporphyrin hosts for supramolecular chemistry of fullerenes
Kentaro Tashiro, Takuzo Aida · 2006 · Chemical Society Reviews · 354 citations
This paper is a tutorial review of the host-guest chemistry of fullerenes and metalloporphyrin. Among various host molecules for fullerenes, cyclic hosts composed of metalloporphyrin moieties posse...
Supramolecular Fullerene-Porphyrin Chemistry. Fullerene Complexation by Metalated “Jaws Porphyrin” Hosts
Dayong Sun, Fook S. Tham, Christopher A. Reed et al. · 2002 · Journal of the American Chemical Society · 281 citations
Porphyrins and fullerenes are spontaneously attracted to each other. This new supramolecular recognition element is explored in discrete, soluble, coordinatively linked porphyrin and metalloporphyr...
Nitrogen-embedded buckybowl and its assembly with C60
Hiroki Yokoi, Yuya Hiraoka, Satoru Hiroto et al. · 2015 · Nature Communications · 267 citations
Organoplatinum‐Mediated Synthesis of Cyclic π‐Conjugated Molecules: Towards a New Era of Three‐Dimensional Aromatic Compounds
Shigeru Yamago, Eiichi Kayahara, Takahiro Iwamoto · 2014 · The Chemical Record · 250 citations
Abstract This article describes the most recent developments in the synthesis of three‐dimensional π‐conjugated molecules and the elucidation of their properties made by our research group. Various...
Sponge-like molecular cage for purification of fullerenes
Cristina García‐Simón, Marc Garcia‐Borràs, Laura Gómez et al. · 2014 · Nature Communications · 200 citations
Supramolecular Interactions between Fullerenes and Porphyrins
Yi‐Bo Wang, Zhenyang Lin · 2003 · Journal of the American Chemical Society · 198 citations
Perdew-Burke-Ernzerhof density functional theory calculations have been carried out to investigate the host-guest interactions for several fullerene-porphyrin supramolecular complexes. The nature o...
Reading Guide
Foundational Papers
Start with Boyd and Reed (2004; 505 citations) for core recognition principles, then Tashiro and Aida (2006; 354 citations) review for metalloporphyrin hosts, followed by Sun et al. (2002; 281 citations) for experimental jaws complexes.
Recent Advances
Study Yokoi et al. (2015; 267 citations) on nitrogen-buckybowl C60 assembly and García-Simón et al. (2014; 200 citations) sponge cage for purification advances.
Core Methods
Convex concave π-π interactions in porphyrin-fullerene pairs (Wang and Lin, 2003); coordinative metal links in jaws hosts (Sun et al., 2002); cavity engineering in calixarenes (Haino et al., 1998).
How PapersFlow Helps You Research Supramolecular Fullerene Chemistry
Discover & Search
PapersFlow's Research Agent uses searchPapers and citationGraph to map porphyrin-fullerene literature starting from Boyd and Reed (2004; 505 citations), revealing clusters around Tashiro and Aida (2006; 354 citations). exaSearch uncovers niche calixarene hosts like Haino et al. (1998), while findSimilarPapers extends to recent buckybowl assemblies from Yokoi et al. (2015).
Analyze & Verify
Analysis Agent employs readPaperContent to extract binding constants from Zheng et al. (2001), then verifyResponse with CoVe checks computational claims against Wang and Lin (2003) DFT results. runPythonAnalysis parses citation networks or simulates host-guest energies using NumPy, with GRADE scoring evidence strength for affinity claims in Tashiro and Aida (2006). Statistical verification confirms selectivity trends across 10+ papers.
Synthesize & Write
Synthesis Agent detects gaps in stimuli-responsive designs beyond metalloporphyrins, flagging contradictions in cavity size predictions. Writing Agent uses latexEditText and latexSyncCitations to draft reviews citing Sun et al. (2002), with latexCompile generating figures and exportMermaid visualizing assembly diagrams from Spillmann et al. (2006).
Use Cases
"Analyze binding affinities of rhodium porphyrin dimers for C60 from Zheng 2001"
Analysis Agent → readPaperContent (Zheng et al., 2001) → runPythonAnalysis (parse association constants, plot vs metal ions) → GRADE-verified affinity table with statistical confidence intervals.
"Write LaTeX review section on calixarene-fullerene complexes"
Synthesis Agent → gap detection (post-Haino 1998 selectivity gaps) → Writing Agent → latexEditText (draft text) → latexSyncCitations (add Haino et al., 1998; García-Simón et al., 2014) → latexCompile (formatted PDF section).
"Find code for simulating fullerene-porphyrin DFT interactions"
Research Agent → paperExtractUrls (Wang and Lin, 2003) → paperFindGithubRepo (DFT Gaussian inputs) → Code Discovery → githubRepoInspect (verify scripts for PBE functionals) → runPythonAnalysis (reproduce binding energies).
Automated Workflows
Deep Research workflow systematically reviews 50+ fullerene host papers via citationGraph from Boyd and Reed (2004), producing structured reports with gap analysis on selectivity. DeepScan's 7-step chain reads Sun et al. (2002) content, verifies jaws mechanism with CoVe, and scores methodological rigor. Theorizer generates hypotheses for nitrogen-buckybowl responsiveness from Yokoi et al. (2015) literature synthesis.
Frequently Asked Questions
What defines supramolecular fullerene chemistry?
Non-covalent host-guest interactions between fullerenes and macrocycles like porphyrins and calixarenes, forming discrete complexes and assemblies (Boyd and Reed, 2004).
What are key methods in this field?
Porphyrin jaws hosts (Sun et al., 2002), cyclic metalloporphyrin dimers (Zheng et al., 2001), and molecular cages (García-Simón et al., 2014) enable high-affinity binding.
What are seminal papers?
Boyd and Reed (2004; 505 citations) on constructs; Tashiro and Aida (2006; 354 citations) review; Sun et al. (2002; 281 citations) on jaws hosts.
What open problems exist?
Scalable stimuli-responsive assemblies and broad C60/C70 selectivity beyond lab-scale cages (García-Simón et al., 2014).
Research Fullerene Chemistry and Applications with AI
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