{"id":"https://openalex.org/W7077458671","doi":"https://doi.org/10.17615/bsg6-mb78","title":"PUMP-PROBE MICROSCOPY INVESTIGATIONS OF ANISOTROPIC CARRIER DYNAMICS IN RES2 NANOFLAKES AND EFFECTS OF SURFACE PASSIVATION IN SI NANOWIRES","display_name":"PUMP-PROBE MICROSCOPY INVESTIGATIONS OF ANISOTROPIC CARRIER DYNAMICS IN RES2 NANOFLAKES AND EFFECTS OF SURFACE PASSIVATION IN SI NANOWIRES","publication_year":2025,"publication_date":"2025-08-25","ids":{"openalex":"https://openalex.org/W7077458671","doi":"https://doi.org/10.17615/bsg6-mb78"},"language":"en","primary_location":{"id":"pmh:cdr.lib.unc.edu:hx11xr73b","doi":null,"is_oa":true,"landing_page_url":"https://doi.org/10.17615/bsg6-mb78","pdf_url":"https://cdr.lib.unc.edu/downloads/41687t87z","source":{"id":"https://openalex.org/S4306401075","display_name":"Carolina Digital Repository (University of North Carolina at Chapel Hill)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114027177","host_organization_name":"University of North Carolina at Chapel Hill","host_organization_lineage":["https://openalex.org/I114027177"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"volume":null,"type":"dissertation","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://cdr.lib.unc.edu/downloads/41687t87z","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070266083","display_name":"Sarah C. Sutton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I114027177","display_name":"University of North Carolina at Chapel Hill","ror":"https://ror.org/0130frc33","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Sutton, Sarah Courtney","raw_affiliation_strings":["University of North Carolina at Chapel Hill"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of North Carolina at Chapel Hill","institution_ids":["https://openalex.org/I114027177"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5070266083"],"corresponding_institution_ids":["https://openalex.org/I114027177"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","score":0.8773999810218811,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","score":0.8773999810218811,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.03790000081062317,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11272","display_name":"Nanowire Synthesis and Applications","score":0.015799999237060547,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pump-probe-microscopy","display_name":"pump-probe microscopy","score":0.9890000224113464},{"id":"https://openalex.org/keywords/res2","display_name":"ReS2","score":0.902999997138977},{"id":"https://openalex.org/keywords/exciton-lifetime","display_name":"exciton lifetime","score":0.6600000262260437},{"id":"https://openalex.org/keywords/silicon-nanowires","display_name":"silicon nanowires","score":0.9300000071525574},{"id":"https://openalex.org/keywords/surface-passivation","display_name":"surface passivation","score":0.8859999775886536},{"id":"https://openalex.org/keywords/surface-recombination-velocity","display_name":"surface recombination velocity","score":0.9279999732971191},{"id":"https://openalex.org/keywords/shockley-read-hall-recombination","display_name":"Shockley-Read-Hall recombination","score":0.9259999990463257},{"id":"https://openalex.org/keywords/dopant-density","display_name":"dopant density","score":0.9190000295639038},{"id":"https://openalex.org/keywords/carrier-carrier-scattering","display_name":"carrier-carrier scattering","score":0.9350000023841858},{"id":"https://openalex.org/keywords/ambipolar-diffusion","display_name":"ambipolar diffusion","score":0.9100000262260437},{"id":"https://openalex.org/keywords/field-effect-passivation","display_name":"field-effect passivation","score":0.9279999732971191}],"concepts":[{"id":"https://openalex.org/C33574316","wikidata":"https://www.wikidata.org/wiki/Q917260","display_name":"Passivation","level":3,"score":0.7735999822616577},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.654699981212616},{"id":"https://openalex.org/C74214498","wikidata":"https://www.wikidata.org/wiki/Q631739","display_name":"Nanowire","level":2,"score":0.6542999744415283},{"id":"https://openalex.org/C191952053","wikidata":"https://www.wikidata.org/wiki/Q15119237","display_name":"Dopant","level":3,"score":0.5767999887466431},{"id":"https://openalex.org/C104232198","wikidata":"https://www.wikidata.org/wiki/Q865807","display_name":"Charge carrier","level":2,"score":0.5428000092506409},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5241000056266785},{"id":"https://openalex.org/C198865614","wikidata":"https://www.wikidata.org/wiki/Q5046374","display_name":"Carrier lifetime","level":3,"score":0.5184999704360962},{"id":"https://openalex.org/C17729963","wikidata":"https://www.wikidata.org/wiki/Q858289","display_name":"Exciton","level":2,"score":0.5159000158309937},{"id":"https://openalex.org/C41999313","wikidata":"https://www.wikidata.org/wiki/Q489328","display_name":"Molecular physics","level":1,"score":0.47589999437332153},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.390500009059906},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.3765000104904175},{"id":"https://openalex.org/C124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","level":2,"score":0.37310001254081726},{"id":"https://openalex.org/C181500209","wikidata":"https://www.wikidata.org/wiki/Q215328","display_name":"Excited state","level":2,"score":0.36250001192092896},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.35929998755455017},{"id":"https://openalex.org/C79689650","wikidata":"https://www.wikidata.org/wiki/Q2387099","display_name":"Surface states","level":3,"score":0.3571999967098236},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.34769999980926514},{"id":"https://openalex.org/C108225325","wikidata":"https://www.wikidata.org/wiki/Q11456","display_name":"Semiconductor","level":2,"score":0.3458999991416931},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.329800009727478},{"id":"https://openalex.org/C85725439","wikidata":"https://www.wikidata.org/wiki/Q466686","display_name":"Anisotropy","level":2,"score":0.3273000121116638},{"id":"https://openalex.org/C146088050","wikidata":"https://www.wikidata.org/wiki/Q744818","display_name":"Transmission electron microscopy","level":2,"score":0.31119999289512634},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.30880001187324524},{"id":"https://openalex.org/C147080431","wikidata":"https://www.wikidata.org/wiki/Q1074953","display_name":"Microscopy","level":2,"score":0.296099990606308},{"id":"https://openalex.org/C150708132","wikidata":"https://www.wikidata.org/wiki/Q744771","display_name":"Charge density","level":2,"score":0.2939000129699707},{"id":"https://openalex.org/C181966813","wikidata":"https://www.wikidata.org/wiki/Q806352","display_name":"Band gap","level":2,"score":0.2851000130176544},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.28349998593330383},{"id":"https://openalex.org/C2776374536","wikidata":"https://www.wikidata.org/wiki/Q415911","display_name":"Rubrene","level":2,"score":0.28200000524520874},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.2718000113964081},{"id":"https://openalex.org/C159467904","wikidata":"https://www.wikidata.org/wiki/Q2001702","display_name":"Chemical physics","level":1,"score":0.2700999975204468},{"id":"https://openalex.org/C34146451","wikidata":"https://www.wikidata.org/wiki/Q5048094","display_name":"Cascade","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C2778785133","wikidata":"https://www.wikidata.org/wiki/Q25303639","display_name":"Photon energy","level":3,"score":0.2538999915122986},{"id":"https://openalex.org/C193016168","wikidata":"https://www.wikidata.org/wiki/Q874835","display_name":"Scanning transmission electron microscopy","level":3,"score":0.25380000472068787}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:cdr.lib.unc.edu:hx11xr73b","doi":null,"is_oa":true,"landing_page_url":"https://doi.org/10.17615/bsg6-mb78","pdf_url":"https://cdr.lib.unc.edu/downloads/41687t87z","source":{"id":"https://openalex.org/S4306401075","display_name":"Carolina Digital Repository (University of North Carolina at Chapel Hill)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114027177","host_organization_name":"University of North Carolina at Chapel Hill","host_organization_lineage":["https://openalex.org/I114027177"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},{"id":"doi:10.17615/bsg6-mb78","doi":"https://doi.org/10.17615/bsg6-mb78","is_oa":true,"landing_page_url":"https://doi.org/10.17615/bsg6-mb78","pdf_url":null,"source":{"id":"https://openalex.org/S7407051488","display_name":"UNC Libraries","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"thesis"}],"best_oa_location":{"id":"pmh:cdr.lib.unc.edu:hx11xr73b","doi":null,"is_oa":true,"landing_page_url":"https://doi.org/10.17615/bsg6-mb78","pdf_url":"https://cdr.lib.unc.edu/downloads/41687t87z","source":{"id":"https://openalex.org/S4306401075","display_name":"Carolina Digital Repository (University of North Carolina at Chapel Hill)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114027177","host_organization_name":"University of North Carolina at Chapel Hill","host_organization_lineage":["https://openalex.org/I114027177"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7077458671.pdf","grobid_xml":"https://content.openalex.org/works/W7077458671.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Pump-probe":[0,267],"microscopy":[1,137],"is":[2,154],"a":[3,64,101,107,112,120,184,199],"powerful":[4],"tool":[5],"for":[6,309],"investigating":[7],"the":[8,50,55,59,72,78,84,135,174,177,202,207,215,224,231,235,242,247,286,307],"optical":[9,158],"and":[10,36,47,53,93,148,159,220,245,270,288,305,315],"electronic":[11,160],"properties":[12,161],"of":[13,29,33,63,122,217,281,291,303],"nanomaterials.":[14],"With":[15],"this":[16,297],"technique,":[17],"individual":[18],"nanowires":[19,150],"or":[20],"nanoflakes":[21],"can":[22,95],"be":[23],"studied,":[24],"thereby":[25],"avoiding":[26],"ensemble":[27],"averaging":[28],"signals":[30],"from":[31,186],"structures":[32],"different":[34,252],"morphologies":[35],"composition.":[37],"A":[38],"high":[39],"energy":[40,190],"pump":[41,193],"laser":[42,66],"pulse":[43],"optically":[44],"excites":[45],"electrons":[46],"holes":[48],"above":[49],"conduction":[51],"band":[52],"below":[54],"valence":[56],"band.":[57],"Measuring":[58],"change":[60],"in":[61,176,201,296,312],"transmission":[62],"probe":[65,204],"pulse,":[67],"whose":[68],"arrival":[69],"time":[70,109,209],"at":[71],"sample":[73],"varies":[74],"with":[75],"respect":[76],"to":[77,99,173,188,259,300],"pump,":[79],"provides":[80],"insight":[81],"on":[82,144,223],"how":[83],"excited":[85],"charge":[86,114,292],"carriers":[87,115],"behave.":[88],"For":[89,212],"example,":[90],"an":[91,104],"electron":[92],"hole":[94],"Coulombically":[96],"bind":[97],"together":[98],"form":[100],"quasi-particle":[102],"called":[103,111],"exciton.":[105],"After":[106],"characteristic":[108],"period,":[110],"lifetime,":[113],"relax,":[116],"i.e.,":[117],"recombine,":[118],"through":[119,127],"variety":[121],"pathways,":[123],"including":[124],"Shockley-Read-Hall":[125],"recombination":[126,226,249,262],"surface":[128,221,225,248,253,261],"defect":[129],"states.":[130],"This":[131,195],"dissertation":[132,298],"will":[133],"discuss":[134],"pump-probe":[136,180,208],"technique":[138],"as":[139,141,198,206],"well":[140],"experiments":[142,181],"performed":[143],"rhenium":[145],"disulfide":[146],"(ReS2)":[147],"silicon":[149],"(Si":[151],"NWs).":[152],"ReS2":[153],"anisotropic,":[155],"meaning":[156],"its":[157],"have":[162,169],"preferred":[163,170],"physical":[164],"orientations.":[165],"Three":[166],"exciton":[167],"states":[168],"orientations":[171],"relative":[172],"b-axis":[175],"material.":[178],"Polarization-resolved":[179],"here":[182],"illustrate":[183],"cascade":[185,196],"higher":[187],"lower":[189],"excitons":[191],"upon":[192],"excitation.":[194],"manifests":[197],"rotation":[200],"transmitted":[203],"polarization":[205],"delay":[210],"increases.":[211],"Si":[213],"NWs,":[214],"effects":[216],"dopant":[218,232],"density":[219,233],"passivation":[222,254,276],"velocity":[227,263],"are":[228],"explored.":[229,266],"As":[230],"increases,":[234,239],"carrier-carrier":[236],"scattering":[237],"rate":[238],"thus":[240],"shortening":[241],"effective":[243],"lifetime":[244,287],"increasing":[246],"velocity.":[250],"Two":[251],"treatments":[255],"that":[256,273],"were":[257,264],"hypothesized":[258],"decrease":[260],"also":[265],"kinetic":[268],"traces":[269],"images":[271],"show":[272],"field":[274],"effect":[275],"by":[277],"atomic":[278],"layer":[279],"deposition":[280],"aluminum":[282],"oxide":[283],"increased":[284],"both":[285],"ambipolar":[289],"diffusion":[290],"carriers.":[293],"The":[294],"findings":[295],"contribute":[299],"our":[301],"understanding":[302],"nanomaterials":[304],"pave":[306],"way":[308],"future":[310],"advancements":[311],"their":[313],"design":[314],"application.":[316]},"counts_by_year":[],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2025-10-10T00:00:00"}