{"project":{"acronym":"","projectId":94042,"title":"Perovskite-based Photovoltaics: A New Pathway to Ultra- Low-Cost Space Power","primaryTaxonomyNodes":[{"taxonomyNodeId":10594,"taxonomyRootId":8816,"parentNodeId":10593,"level":3,"code":"TX03.1.1","title":"Photovoltaic","definition":"Photovoltaic electrical power generation converts photons into electrical power, including photovoltaic cells, cell integration, and mechanical and structural technologies for cell arrays.","exampleTechnologies":"25 – 150 kW-class solar arrays, reliably retractable solar arrays, reduced-cost photovoltaic blankets, extreme environment solar cells and panels","hasChildren":false,"hasInteriorContent":true}],"startTrl":3,"currentTrl":4,"endTrl":4,"benefits":"Ultimately the utilization of high efficiency thin film solar arrays are potentially transformational technology for large, direct drive SEP cargo tugs that traverse a host of different radiation conditions. Mass production of these devices would be transformational for future large scale SEP spacecraft as these devices significantly reduce cost overhead in power generation and enable high voltage operation. These properties could enable direct-drive SEP operation reducing weight over SOA by ~35%.","description":"We will determine if the lifetime performance of new perovskite-based solar cells can be engineered for long-term performance for space applications. We will utilize cutting-edge designs for long lifetime, engineer our own samples, and characterize performance throughout standardized lifetime testing appropriate for space technology. Thin film solar cells have long held promise as enabling technology for flexible arrays and radiation hardness. The meteoric efficiency rise (reaching 22%1) for new solar cells in the perovskite structure family - from now on referred to simply as perovskites2 - represent an exceedingly attractive option for potential space applications. We envision this technology to enable the ubiquity of low-cost smallsats and CubeSats that can be utilized for power-hungry, high fidelity experiments and measurements. Mass production and automated assembly of these systems helps bring down cost and standardizes launch requirements. Additional applications include autonomous, roll-out solar arrays for extra-terrestrial surface deployments. In these two visions the current state of the art is disrupted by the thin, flexibility of perovskites, their ease of fabrication and high efficiency. The goal is to transfer the perovskite solar cells from research laboratory curiosity to potential game-changing, space qualified technology. ","destinations":[{"lkuCodeId":1543,"code":"EARTH","description":"Earth","lkuCodeTypeId":526,"lkuCodeType":{"codeType":"DESTINATION_TYPE","description":"Destination Type"}},{"lkuCodeId":1518,"code":"MARS","description":"Mars","lkuCodeTypeId":526,"lkuCodeType":{"codeType":"DESTINATION_TYPE","description":"Destination Type"}}],"startYear":2017,"startMonth":10,"endYear":2018,"endMonth":9,"statusDescription":"Completed","principalInvestigators":[{"contactId":470268,"canUserEdit":false,"firstName":"Timothy","lastName":"Peshek","fullName":"Timothy J Peshek","fullNameInverted":"Peshek, Timothy J","middleInitial":"J","primaryEmail":"timothy.j.peshek@nasa.gov","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":335305,"canUserEdit":false,"firstName":"Michael","lastName":"Lapointe","fullName":"Michael R Lapointe","fullNameInverted":"Lapointe, Michael R","middleInitial":"R","primaryEmail":"michael.r.lapointe@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":392233,"canUserEdit":false,"firstName":"Richard","lastName":"Howard","fullName":"Richard W Howard","fullNameInverted":"Howard, Richard W","middleInitial":"W","primaryEmail":"richard.w.howard@nasa.gov","publicEmail":true,"nacontact":false}],"programManagers":[{"contactId":280583,"canUserEdit":false,"firstName":"Kurt","lastName":"Sacksteder","fullName":"Kurt R Sacksteder","fullNameInverted":"Sacksteder, Kurt R","middleInitial":"R","primaryEmail":"partialg@gmail.cpm","publicEmail":false,"nacontact":false},{"contactId":159449,"canUserEdit":false,"firstName":"Gary","lastName":"Horsham","fullName":"Gary A Horsham","fullNameInverted":"Horsham, Gary A","middleInitial":"A","primaryEmail":"gary.a.horsham@nasa.gov","publicEmail":true,"nacontact":false}],"website":"https://www.nasa.gov/directorates/spacetech/innovation_fund/index.html#.VQb6gUjJzyE","libraryItems":[],"transitions":[{"transitionId":53342,"projectId":94042,"transitionDate":"2018-09-01","path":"Closed Out","details":"The feasibility of perovskite solar cells for space applications was demonstrated. Further we demonstrated that the perovskite solar cell technology has certain advantages over the current state of the art, including potential for flexibility, custom designs, and greater radiation hardness than SOA. The critical issue is the durability of the material. As a result of this project there is a path forward for the engineering of durable perovskite materials that is bolstered by data and modeling. The current maturity is TRL 4.","infoText":"Closed out","infoTextExtra":"","dateText":"September 2018"}],"responsibleMd":{"acronym":"STMD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4875,"organizationName":"Space Technology Mission Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"program":{"acronym":"GRC CIF","active":true,"description":"
Tthe goal of the Center Innovation Fund is to stimulate and encourage creativity and innovation in addressing the technology needs of NASA and the Nation. The GRC Center Innovation Fund is intended to provide GRC Civil Servants, potentially partnering with external organizations and other NASA Centers, with the opportunity to develop new ideas toward this goal, and to pursue their intellectual growth in areas that are deemed to be of strategic importance to the Center. The projects are high payback, highly innovative research proposals that could significantly impact future GRC programs.
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Through the Center Innovation Fund, the Space Technology Mission Directorate allocates a small portion of the NASA workforce and procurement budget to internal research and development to feed early stage innovation in technology and exploration. Activities with in the Center Innovation Fund are proposed and led by NASA scientists and engineers. These activities and creative initiatives pursue emerging technologies that leverage talent and capabilities at the NASA Centers.
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