Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Justin E. Poelma"'
Autor:
Craig J. Hawker, Benjaporn Narupai, Edward P. Toumayan, Justin E. Poelma, John W. Kramer, Alaina J. McGrath, Paul G. Clark, Paresh Chandra Ray, Yingdong Luo, Christian W. Pester
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 54:2276-2284
A novel strategy for the synthesis and characterization of branched polymer brushes by sequential light-mediated controlled radical polymerizations is described. Initially, linear brushes are prepared by surface-initiated copolymerization of methyl m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4261f49167794221b8f2f35b40a52bb
https://doi.org/10.1002/pola.28128
https://doi.org/10.1002/pola.28128
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 53:2693-2698
Controlled radical polymerizations have significantly impacted the field of polymer science by facilitating the synthesis of polymers with greater control over molecular weight, structure, and dispersity (Ð). As these synthetic techniques continue t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebd00d2bccc892d35f1c0a402e86795c
https://doi.org/10.1002/pola.27765
https://doi.org/10.1002/pola.27765
Autor:
Craig J. Hawker, Yingdong Luo, Christian W. Pester, Thomas E. Mates, Gregory M. Su, Shrayesh N. Patel, Edward J. Kramer, Christopher K. Ober, Justin E. Poelma, Benjaporn Narupai
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 54:253-262
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05f5ec26c18716cc31617ef4de5ccf29
https://doi.org/10.1002/pola.27748
https://doi.org/10.1002/pola.27748
Autor:
Richard Hoogenboom, Kato L. Killops, Ulrich S. Schubert, Justin E. Poelma, Joona Bang, Helen Tran, Luis M. Campos, Craig J. Hawker, Kristian Kempe, Hyunjung Jung
Publikováno v:
ACS Macro Letters. 2:677-682
The modular synthesis and lithographic potential of diblock copolymers based on polystyrene-block-poly(2-ethyl-2-oxazoline) (PS-b-PEtOx) are highlighted herein. Controlled radical and living cationic polymerization techniques were utilized to synthes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1b8cc88ac5ee837e52762e4e5200e34
https://doi.org/10.1021/mz400309d
https://doi.org/10.1021/mz400309d
Publikováno v:
Angewandte Chemie. 125:6982-6986
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33c25160accc33fb9b2a16add9482063
https://doi.org/10.1002/ange.201301845
https://doi.org/10.1002/ange.201301845
Publikováno v:
Journal of Macromolecular Science, Part A. 45:137-143
We report the synthesis and characterization of a model compound representing exo‐olefin coupled polyisobutylene (PIB). Under certain conditions during the in situ quenching of quasiliving PIB with hindered bases to yield exo‐olefin‐terminated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ef4de9ae4a632ce54b53db0c672b43f
https://doi.org/10.1080/10601320701786901
https://doi.org/10.1080/10601320701786901
Autor:
Javier Read de Alaniz, Justin E. Poelma, Saemi Oh, Craig J. Hawker, Frank A. Leibfarth, Sameh Helmy
Publikováno v:
Journal of the American Chemical Society, vol 136, iss 23
Helmy, S; Leibfarth, FA; Oh, S; Poelma, JE; Hawker, CJ; & De Alaniz, JR. (2014). Photoswitching using visible light: A new class of organic photochromic molecules. Journal of the American Chemical Society, 136(23), 8169-8172. doi: 10.1021/ja503016b. UC Santa Barbara: Retrieved from: http://www.escholarship.org/uc/item/00z601nn
Helmy, S; Leibfarth, FA; Oh, S; Poelma, JE; Hawker, CJ; & De Alaniz, JR. (2014). Photoswitching using visible light: A new class of organic photochromic molecules. Journal of the American Chemical Society, 136(23), 8169-8172. doi: 10.1021/ja503016b. UC Santa Barbara: Retrieved from: http://www.escholarship.org/uc/item/00z601nn
A versatile new class of organic photochromic molecules that offers an unprecedented combination of physical properties including tunable photoswitching using visible light, excellent fatigue resistance, and large polarity changes is described. These
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c54dcb5b1ed5ca4d6aa66de938225c1d
https://escholarship.org/uc/item/00z601nn
https://escholarship.org/uc/item/00z601nn
Autor:
Daniel M. Spokoyny, Maxwell J. Robb, John W. Kramer, Brett P. Fors, Matthew S. Menyo, J. Herbert Waite, Craig J. Hawker, Justin E. Poelma
Publikováno v:
Fors, BP; Poelma, JE; Menyo, MS; Robb, MJ; Spokoyny, DM; Kramer, JW; et al.(2013). Fabrication of unique chemical patterns and concentration gradients with visible light. Journal of the American Chemical Society, 135(38), 14106-14109. doi: 10.1021/ja408467b. UC Santa Barbara: Retrieved from: http://www.escholarship.org/uc/item/582296qs
Journal of the American Chemical Society, vol 135, iss 38
Journal of the American Chemical Society, vol 135, iss 38
A modular and general method based on a photomediated ATRA reaction for the spatially controlled functionalization of surfaces with visible light is reported. The ability to control reactivity with light intensity combined with the orthogonality of A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cb843ea3444e9b991f96833969e9a2d
http://www.escholarship.org/uc/item/582296qs
http://www.escholarship.org/uc/item/582296qs
Autor:
Joona Bang, Jihyun Kim, Byung Jae Kim, Won Bo Lee, Craig J. Hawker, Dongjune Hwang, Eun Hye Kim, June Huh, Du Yeol Ryu, Justin E. Poelma, Hyunjung Jung
Publikováno v:
ACS nano. 5(8)
Three-dimensional (3D) nanostructures were obtained by the directed formation of multilayer block copolymer (BCP) thin films. The initial step in this strategy involves the assembly and cross-linking of cylinder-forming polystyrene-b-poly(methyl meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac552d2021020203f23399bb89c4c4e8
https://pubmed.ncbi.nlm.nih.gov/21749153
https://pubmed.ncbi.nlm.nih.gov/21749153
Autor:
Justin E. Poelma, Craig J. Hawker
Publikováno v:
Nature Nanotechnology. 5:243-244
Complex nanoscale patterns can be generated by combining the self-assembly of block-copolymer thin films with minimal top-down templating.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::233585a9ce9c312c021da1f5711cc851
https://doi.org/10.1038/nnano.2010.60
https://doi.org/10.1038/nnano.2010.60