ArticleJournal of the American Chemical Society2022
Dynamic Nuclear Polarization Enables NMR of Surface Passivating Agents on Hybrid Perovskite Thin Films.
Article in Journal of the American Chemical Society, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 26 citations in OpenAlex.
- Determination of key functional structures of an amorphous VHL-based SMARCA2 PROTAC.Nature communications · 2025Article
- Systematic Evaluation of Polarizing Agents for Dynamic Nuclear Polarization Enhanced NMR.Angewandte Chemie (International ed. in English) · 2025Article
- Optimization ofJournal of magnetic resonance (San Diego, Calif. : 1997) · 2024Article
- Light-Induced Metallic and Paramagnetic Defects in Halide Perovskites from Magnetic Resonance.ACS energy letters · 2024Article
- Stabilization of highly efficient perovskite solar cells with a tailored supramolecular interface.Nature communications · 2024Article
- Quantifying Organic Cation Ratios in Metal Halide Perovskites: Insights from X-ray Photoelectron Spectroscopy and Nuclear Magnetic Resonance Spectroscopy.Chemistry of materials : a publication of the American Chemical Society · 2024Article
- Dynamic Nuclear Polarization of Inorganic Halide Perovskites.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- A Complete Picture of Cation Dynamics in Hybrid Perovskite Materials from Solid-State NMR Spectroscopy.Journal of the American Chemical Society · 2023Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Surface and bulk molecular modulators are the key to improving the efficiency and stability of hybrid perovskite solar cells. However, due to their low concentration, heterogeneous environments, and low sample mass, it remains challenging to characterize their structure and dynamics at the atomic level, as required to establish structure-activity relationships. Nuclear magnetic resonance (NMR) spectroscopy has revealed a wealth of information on the atomic-level structure of hybrid perovskites, but the inherent insensitivity of NMR severely limits its utility to characterize thin-film samples. Dynamic nuclear polarization (DNP) can enhance NMR sensitivity by orders of magnitude, but DNP methods for perovskite materials have so far been limited. Here, we determined the factors that limit the efficiency of DNP NMR for perovskite samples by systematically studying layered hybrid perovskite analogues. We find that the fast-relaxing dynamic cation is the major impediment to higher DNP efficiency, while microwave absorption and particle morphology play a secondary role. We then show that the former can be mitigated by deuteration, enabling
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.