{"id":"https://openalex.org/W2010185455","doi":"https://doi.org/10.1021/nn204995z","title":"Chemical Patterns from Surface Grafted Resists for Directed Assembly of Block Copolymers","display_name":"Chemical Patterns from Surface Grafted Resists for Directed Assembly of Block Copolymers","publication_year":2012,"publication_date":"2012-01-15","ids":{"openalex":"https://openalex.org/W2010185455","doi":"https://doi.org/10.1021/nn204995z","mag":"2010185455","pmid":"https://pubmed.ncbi.nlm.nih.gov/22243029"},"language":"en","primary_location":{"id":"doi:10.1021/nn204995z","doi":"https://doi.org/10.1021/nn204995z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/nn204995z","pdf_url":null,"source":{"id":"https://openalex.org/S145476921","display_name":"ACS Nano","issn_l":"1936-0851","issn":["1936-0851","1936-086X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Nano","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111789110","display_name":"Eungnak Han","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eungnak Han","raw_affiliation_strings":["Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073787901","display_name":"Myungwoong Kim","orcid":"https://orcid.org/0000-0003-0611-8694","observed_orcids":["https://orcid.org/0000-0003-0611-8694"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Myungwoong Kim","raw_affiliation_strings":["Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082873187","display_name":"Padma Gopalan","orcid":"https://orcid.org/0000-0002-1955-640X","observed_orcids":["https://orcid.org/0000-0002-1955-640X"]},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Padma Gopalan","raw_affiliation_strings":["Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States","institution_ids":["https://openalex.org/I135310074"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5082873187"],"corresponding_institution_ids":["https://openalex.org/I135310074"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":1.3038,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.77914094,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"6","issue":"2","first_page":"1823","last_page":"1829"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11471","display_name":"Block Copolymer Self-Assembly","score":0.9984999895095825,"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/T11471","display_name":"Block Copolymer Self-Assembly","score":0.9984999895095825,"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/T10405","display_name":"Advanced Polymer Synthesis and Characterization","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11338","display_name":"Advancements in Photolithography Techniques","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/block-copolymer-self-assembly","display_name":"block copolymer self-assembly","score":0.7990000247955322},{"id":"https://openalex.org/keywords/directed-assembly","display_name":"directed assembly","score":0.699999988079071},{"id":"https://openalex.org/keywords/electron-beam-lithography","display_name":"electron beam lithography","score":0.699999988079071}],"concepts":[{"id":"https://openalex.org/C53524968","wikidata":"https://www.wikidata.org/wiki/Q7315582","display_name":"Resist","level":3,"score":0.8890879154205322},{"id":"https://openalex.org/C15920480","wikidata":"https://www.wikidata.org/wiki/Q421281","display_name":"Copolymer","level":3,"score":0.8630828857421875},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7486384510993958},{"id":"https://openalex.org/C64452783","wikidata":"https://www.wikidata.org/wiki/Q1524945","display_name":"Ternary operation","level":2,"score":0.6851900219917297},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.636837363243103},{"id":"https://openalex.org/C2777566558","wikidata":"https://www.wikidata.org/wiki/Q28917","display_name":"Styrene","level":4,"score":0.5674296617507935},{"id":"https://openalex.org/C2777935641","wikidata":"https://www.wikidata.org/wiki/Q382897","display_name":"Methyl methacrylate","level":4,"score":0.5346801280975342},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.5126980543136597},{"id":"https://openalex.org/C132050475","wikidata":"https://www.wikidata.org/wiki/Q736232","display_name":"Methacrylate","level":4,"score":0.4590652287006378},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.3902060091495514},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.30448421835899353},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.22953185439109802},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1021/nn204995z","doi":"https://doi.org/10.1021/nn204995z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/nn204995z","pdf_url":null,"source":{"id":"https://openalex.org/S145476921","display_name":"ACS Nano","issn_l":"1936-0851","issn":["1936-0851","1936-086X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Nano","raw_type":"journal-article"},{"id":"pmid:22243029","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22243029","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS nano","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1970361389","https://openalex.org/W1973506012","https://openalex.org/W1974374350","https://openalex.org/W1982690373","https://openalex.org/W1984659595","https://openalex.org/W1985633457","https://openalex.org/W1988930062","https://openalex.org/W1992555518","https://openalex.org/W1997789825","https://openalex.org/W2025658227","https://openalex.org/W2043940527","https://openalex.org/W2056350140","https://openalex.org/W2060573689","https://openalex.org/W2061045589","https://openalex.org/W2064865284","https://openalex.org/W2070819432","https://openalex.org/W2074791001","https://openalex.org/W2077146144","https://openalex.org/W2083680277","https://openalex.org/W2101209513","https://openalex.org/W2108350789","https://openalex.org/W2114708340","https://openalex.org/W2118625035","https://openalex.org/W2122724552","https://openalex.org/W2172949807","https://openalex.org/W2320666359","https://openalex.org/W4233417203"],"related_works":["https://openalex.org/W2071653199","https://openalex.org/W2179614610","https://openalex.org/W140664915","https://openalex.org/W2314040707","https://openalex.org/W2953425165","https://openalex.org/W4400387638","https://openalex.org/W2741554859","https://openalex.org/W1993461461","https://openalex.org/W2778300106","https://openalex.org/W2315606537"],"abstract_inverted_index":{"We":[0],"demonstrate":[1],"a":[2,13,21,29,36,97,107,120,148,153,163,194],"direct":[3],"e-beam":[4,145],"patternable":[5],"one-component":[6],"block":[7,23,55,70],"copolymer":[8],"(BCP)":[9],"resist":[10,26],"to":[11,49,59,73,146,174,209,218,242],"fabricate":[12,147],"chemical":[14,150,186],"pattern":[15,151,227],"for":[16,85,159],"the":[17,40,47,50,67,75,79,82,117,160,185,211,221,225,235],"directed":[18],"assembly":[19,87,118,161],"of":[20,28,66,88,100,119,156,162,197,213,244],"symmetric":[22],"copolymer.":[24],"The":[25,64,238],"consists":[27],"low":[30],"molecular":[31,109,195],"weight":[32,110,196],"poly(styrene-block-methyl":[33],"methacrylate)":[34],"with":[35,96,106,152,193],"hydroxyl":[37],"group":[38],"at":[39],"PMMA":[41,54],"chain":[42],"end":[43],"(PS-b-PMMA-OH),":[44],"which":[45],"anchors":[46],"chains":[48],"surface.":[51],"This":[52],"short-tethered":[53],"provided":[56],"sufficient":[57],"sensitivity":[58],"allow":[60],"scission":[61],"by":[62,144],"e-beam.":[63,219],"length":[65],"untethered":[68],"PS":[69,98,133,214,222,246],"was":[71,124],"fine-tuned":[72],"impart":[74],"required":[76],"contrast":[77,177],"between":[78,181],"patterned":[80,143],"and":[81,103,116,127,132,139,202,230],"unpatterned":[83],"region":[84],"1:1":[86,149],"an":[89,175],"overlying":[90],"BCP":[91,94,122,164,236],"blend.":[92,166],"Two":[93,189],"resists":[95],"fraction":[99,223],"0.25":[101],"(16SM)":[102],"0.34":[104],"(18SM),":[105],"total":[108],"less":[111],"than":[112,171],"20K,":[113],"were":[114,207],"synthesized,":[115],"ternary":[121,165],"blend":[123],"studied.":[125],"16SM-":[126],"18SM-anchored":[128],"substrates":[129],"showed":[130],"nonpreferential":[131],"preferential":[134],"surfaces,":[135],"respectively.":[136],"Both":[137],"18SM":[138,167],"16SM":[140,172],"could":[141],"be":[142],"line":[154,226],"pitch":[155],"70":[157],"nm":[158],"gave":[168],"fewer":[169],"defects":[170],"due":[173],"increased":[176],"in":[178,184,233],"interfacial":[179],"energies":[180],"adjacent":[182,245],"stripes":[183],"surface":[187],"pattern.":[188],"additional":[190],"PS-b-PMMA-OH":[191],"polymers":[192],"39K":[198],"(F(PS)":[199,204],"=":[200,205],"0.76)":[201],"69K":[203],"0.83)":[206],"synthesized":[208],"study":[210],"effect":[212],"cross-linking":[215,243],"upon":[216],"exposure":[217],"As":[220],"increases,":[224],"becomes":[228],"blurred":[229],"ultimately":[231],"ineffective":[232],"guiding":[234],"assembly.":[237],"blurring":[239],"is":[240],"attributed":[241],"chains.":[247]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2016-06-24T00:00:00"}
