{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Tuerdi G"],"funding":["National Natural Science Foundation of China"],"pagination":["5614-5621"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9078192"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["8(10)"],"pubmed_abstract":["5,10,15,20-Tetraphenylporphyrin (TPP) was synthesized, and a glass optical waveguide (OWG, which restricts and maintains the light energy in a specific, narrow space and propagates along the space axially) was coated with a gas-phase protonated TPP thin film to develop a sensor for NH<sub>3</sub> gas detection. The results show that the TPP thin film agglomerated into H-based J-type aggregates after H<sub>2</sub>S gas exposure. The molecules in the protonated TPP film OWG sensor acted as NH<sub>3</sub> receptors because the gas-phase protonated TPP film morphologically changed from J-type aggregates into free-base monomers when it was deprotonated by NH<sub>3</sub> exposure. In this case, H<sub>2</sub>S gas could be used to increase the relative amount of J-type aggregates in the TPP film "],"journal":["RSC advances"],"pubmed_title":["Optochemical properties of gas-phase protonated tetraphenylporphyrin investigated using an optical waveguide NH<sub>3</sub> sensor."],"pmcid":["PMC9078192"],"funding_grant_id":["21765021"],"pubmed_authors":["Tuerdi G","Yimit A","Nizamidin P","Wang F","Kari N"],"additional_accession":[]},"is_claimable":false,"name":"Optochemical properties of gas-phase protonated tetraphenylporphyrin investigated using an optical waveguide NH<sub>3</sub> sensor.","description":"5,10,15,20-Tetraphenylporphyrin (TPP) was synthesized, and a glass optical waveguide (OWG, which restricts and maintains the light energy in a specific, narrow space and propagates along the space axially) was coated with a gas-phase protonated TPP thin film to develop a sensor for NH<sub>3</sub> gas detection. The results show that the TPP thin film agglomerated into H-based J-type aggregates after H<sub>2</sub>S gas exposure. The molecules in the protonated TPP film OWG sensor acted as NH<sub>3</sub> receptors because the gas-phase protonated TPP film morphologically changed from J-type aggregates into free-base monomers when it was deprotonated by NH<sub>3</sub> exposure. In this case, H<sub>2</sub>S gas could be used to increase the relative amount of J-type aggregates in the TPP film ","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Jan","modification":"2025-04-05T13:24:34.442Z","creation":"2025-04-05T13:24:34.442Z"},"accession":"S-EPMC9078192","cross_references":{"pubmed":["35542428"],"doi":["10.1039/c7ra11643h"]}}