{"help":"Return the metadata of a dataset (package) and its resources. :param id: the id or name of the dataset :type id: string","success":true,"result":[{"id":"630ff8b1-8ad8-4368-a5ae-5ca28c0513b4","name":"nitrogen-fixation-and-h2o2-production-atmospheric-pressure-plasma-jet-operated-he-h2o-n2-o2","title":"Nitrogen fixation and H2O2 production by an atmospheric pressure plasma jet operated in He-H2O-N2-O2 gas mixtures","author_email":"steffen.schuettler@rub.de","maintainer":"Research Data Repository","maintainer_email":"achim.vonkeudell@rub.de","license_title":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","notes":"\u003Cp\u003EAtmospheric pressure plasmas are widely used for nitrogen fixation processes to produce ammonia NH3 or nitrogen oxides NOx , including for example nitrite NO2\u2013 or nitrate NO3\u2013. Small scale atmospheric pressure plasma jets (APPJs) can provide the production of these species on demand at the site of consumption. The species of interest are generated by the plasma and can be dissolved in liquids, for example, in order to use them. In this work, liquid treatments were performed by an APPJ operated in a He-H2O-N2-O2 gas composition in order to investigate the influence of the gas composition on the production of hydrogen peroxide H2O2, NH3 and NO2\u2013. A validation of two H2O2 diagnostics showed that the spectrophotometric approach using ammonium metavanadate was interfered by other species when N2 was added to the system. Thus, electrochemical sensing of H2O2 was performed. The concentrations of NH3 and NO2\u2013 were measured by commercially available test kits based on the o-phythalaldehyde-method and the Griess reagent, respectively. At low N2 admixtures, the dominant species was H2O2 with a maximum concentration of 0.9mM, while NO2\u2013 became dominant at N2 admixtures of 0.5% and higher withconcentrations of up to 1.5mM. NH3 was also present in the system and could be measured at low concentrations of less than 0.2mM in the liquid. By varying the treatment distance and the gas flow rate, insights into the transport phenomena of the species and their dissolution into the liquid could be gained. Low frequency pulsing of the RF jet led to an accumulating effect on H2O2, a reduced production of NO2\u2013 and a switch from NOx dominated production to H2O2 dominated production.\u003C\/p\u003E\n","url":"https:\/\/rdpcidat.rub.de\/dataset\/nitrogen-fixation-and-h2o2-production-atmospheric-pressure-plasma-jet-operated-he-h2o-n2-o2","state":"Active","log_message":"Edited by kd.","private":true,"revision_timestamp":"Fri, 05\/10\/2024 - 07:45","metadata_created":"Fri, 04\/26\/2024 - 10:04","metadata_modified":"Fri, 05\/10\/2024 - 07:45","creator_user_id":"060cc311-6394-456b-9745-97f03b1bb254","type":"Dataset","resources":[{"id":"bb17838e-27d9-4bec-be21-194fd348f543","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_02_power_curves.txt","description":"\u003Cp\u003EPlasma power as a function of rms voltage at various N2 admixture to He without the addition of O2 and at 0 ppm humidity.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_02_power_curves","mimetype":"text\/plain","size":"493.21 KB","created":"Fri, 05\/03\/2024 - 08:46","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"4389ef31-6621-490a-b973-5015ce4dc5ea","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_03_H2O2_diagnostics_without_O2.txt","description":"\u003Cp\u003EComparison of H2O2 diagnostics: H2O2 concentration as function of N2 admixture without O2 admixture at 3200ppm humidity and 6W plasma power.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_03_a_H2O2_diagnostics_without_O2","mimetype":"text\/plain","size":"229 bytes","created":"Fri, 05\/03\/2024 - 08:54","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"1bf7397b-1a6b-4265-96d6-e9a2f3ea689e","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_03_H2O2_diagnostics_with_O2.txt","description":"\u003Cp\u003EComparison of H2O2 diagnostics: H2O2 concentration as function of N2 admixture with 0.1% O2 admixture at 3200ppm humidity and 6W plasma power.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_03_b_H2O2_diagnostics_with_O2","mimetype":"text\/plain","size":"234 bytes","created":"Fri, 05\/03\/2024 - 08:55","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"2c1c7e86-546b-48f3-bf52-802a7656ceb6","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_04_a_b_H2O2_concentration.txt","description":"\u003Cp\u003EH2O2 concentration measured with electrochemical sensors as function of N2 admixture at various humidity admixtures and (a) without and (b) with 0.1% O2 addition. Plasma was operated at 6W.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_04_a_b_H2O2_concentration","mimetype":"text\/plain","size":"555 bytes","created":"Fri, 05\/03\/2024 - 09:07","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"43ece2ca-11f0-4339-86bc-aa8a2ebaf59f","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_04_c_d_NH3_concentration.txt","description":"\u003Cp\u003ENH3 concentration as function of N2 admixture at various humidity admixtures and (a) without and (b) with 0.1% O2 addition. Plasma was operated at 6W.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_04_c_d_NH3_concentration","mimetype":"text\/plain","size":"809 bytes","created":"Fri, 05\/03\/2024 - 09:08","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"b50201c9-f6bf-4132-8d87-01f4cf8a7f4e","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_04_e_f_NO2_concentration.txt","description":"\u003Cp\u003ENO2- concentration as function of N2 admixture at various humidity admixtures and (a) without and (b) with 0.1% O2 addition. Plasma was operated at 6W.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_04_e_f_NO2-_concentration","mimetype":"text\/plain","size":"640 bytes","created":"Fri, 05\/03\/2024 - 09:09","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"b2c6a734-6b13-4c7b-9bc0-9c173abfdc19","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_05_literature_comparison_0.txt","description":"\u003Cp\u003EComparison of three literature papers with the published paper in terms of species production, energy yield and N2 conversion\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_05_literature_comparison","mimetype":"text\/plain","size":"201 bytes","created":"Fri, 05\/03\/2024 - 09:19","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"e282883c-7341-4242-9a6a-c7dd10ae8f99","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_06_a_height_variation.txt","description":"\u003Cp\u003ESpecies concentrations as a function of distance between capillary and liquid surface. Plasma was operated at 6W, 1% N2 admixture, 3200ppm humidity and no O2 addition.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_06_a_distance_variation","mimetype":"text\/plain","size":"855 bytes","created":"Fri, 05\/03\/2024 - 10:24","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"9a3f7658-a765-4e73-92a9-bdc376d919c6","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_06_b_flow_variation.txt","description":"\u003Cp\u003ESpecies concentrations as a function of gas flow rate. Plasma was operated at 6W, 1% N2 admixture, 3200ppm humidity and no O2 addition.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_06_b_flow_variation","mimetype":"text\/plain","size":"476 bytes","created":"Fri, 05\/03\/2024 - 10:24","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"a465cce1-cab8-42b7-af1b-99ecbd0195a2","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_07_a_H2O2_power_modulation.txt","description":"\u003Cp\u003EH2O2 concentration as a function of pulses per residence for 10% and 50% duty cycle. Plasma was operated at 6W (unmodulated), 1% N2 admixture, 3200ppm humidity and no O2 addition.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_07_a_H2O2_power_modulation","mimetype":"text\/plain","size":"718 bytes","created":"Fri, 05\/03\/2024 - 10:25","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"c8ec4f7e-d309-4e9c-aad4-50ef53ba303c","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_07_b_NH3_power_modulation.txt","description":"\u003Cp\u003ENH3 concentration as a function of pulses per residence for 10% and 50% duty cycle. Plasma was operated at 6W (unmodulated), 1% N2 admixture, 3200ppm humidity and no O2 addition.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_07_b_NH3_power_modulation","mimetype":"text\/plain","size":"532 bytes","created":"Fri, 05\/03\/2024 - 10:26","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"},{"id":"b1769e30-de70-4cde-aa73-28bc6669acd5","revision_id":"","url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/Figure_07_c_NO2_power_modulation.txt","description":"\u003Cp\u003ENO2- concentration as a function of pulses per residence for 10% and 50% duty cycle. Plasma was operated at 6W (unmodulated), 1% N2 admixture, 3200ppm humidity and no O2 addition.\u003C\/p\u003E\n","format":"txt","state":"Active","revision_timestamp":"Fri, 05\/10\/2024 - 07:45","name":"Figure_07_c_NO2_power_modulation","mimetype":"text\/plain","size":"395 bytes","created":"Fri, 05\/03\/2024 - 10:26","resource_group_id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","last_modified":"Date changed  Fri, 05\/10\/2024 - 07:45"}],"tags":[{"id":"94fdc3d6-9088-4e9c-9cf1-800740624493","vocabulary_id":"2","name":"atmospheric pressure plasma jet"},{"id":"73400bf0-9308-489d-b7ab-104c4a456095","vocabulary_id":"2","name":"plasma-treated liquid"},{"id":"6bb0791a-db03-4e17-9e1e-31f1e55205c4","vocabulary_id":"2","name":"hydrogen peroxide"},{"id":"f41c7d8b-705d-4f89-8a46-4b42ecb22cb6","vocabulary_id":"2","name":"nitrite"},{"id":"f880e5b2-0baf-458d-9810-0f93dfb87ddd","vocabulary_id":"2","name":"ammonia"}],"groups":[{"description":"\u003Cp\u003EThe research will focus on the fundamentals of non-equilibrium plasmas and their interaction with the surrounding media such as solids or liquids using spectroscopic techniques.\u003C\/p\u003E\n","id":"ee65a14f-0fc2-40e9-a4ba-e85030fe5102","image_display_url":"https:\/\/rdpcidat.rub.de\/sites\/default\/files\/logorub_weiss_0.gif","title":"PIP","name":"group\/pip"}]}]}