TY - JOUR AB - Chiral molecules exist as pairs of nonsuperimposable mirror images; a fundamental symmetry property vastly underexplored in organic electronic devices. Here, we show that organic field-effect transistors (OFETs) made from the helically chiral molecule 1-aza[6]helicene can display up to an 80-fold difference in hole mobility, together with differences in thin-film photophysics and morphology, solely depending on whether a single handedness or a 1:1 mixture of left- and right-handed molecules is employed under analogous fabrication conditions. As the molecular properties of either mirror image isomer are identical, these changes must be a result of the different bulk packing induced by chiral composition. Such underlying structures are investigated using crystal structure prediction, a computational methodology rarely applied to molecular materials, and linked to the difference in charge transport. These results illustrate that chirality may be used as a key tuning parameter in future device applications. AU - Yang,Y AU - Rice,B AU - Shi,X AU - Brandt,JR AU - da,Costa RC AU - Hedley,GJ AU - Smilgies,D-M AU - Frost,JM AU - Samuel,IDW AU - Otero-de-la-Roza,A AU - Johnson,ER AU - Jelfs,KE AU - Nelson,J AU - Campbell,AJ AU - Fuchter,MJ AU - Yang,Y AU - Rice,B AU - Shi,X AU - Brandt,JR AU - Correa,da Costa R AU - Hedley,GJ AU - Smilgies,D-M AU - Frost,JM AU - Samuel,IDW AU - Otero-de-la-Roza,A AU - Johnson,ER AU - Jelfs,KE AU - Nelson,J AU - Campbell,AJ AU - Fuchter,MJ DO - 10.1021/acsnano.8b03639 EP - 6343 PY - 2018/// SN - 1936-0851 SP - 6343 TI - Emergent Properties of an Organic Semiconductor Driven by its Molecular Chirality (vol 11, pg 8329, 2017) T2 - ACS NANO UR - http://dx.doi.org/10.1021/acsnano.8b03639 UR - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000436910200135&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202 UR - https://pubs.acs.org/doi/10.1021/acsnano.7b03540 UR - http://hdl.handle.net/10044/1/51780 VL - 12 ER -