title: Chemical Vapor Deposition of Large-Sized Hexagonal WSe₂ Crystals on Dielectric Substrates.
abstract: High-quality large-sized hexagoal WSe2 crystals can be grown on dielectric substrates using atmospheric chemical vapor deposition in the presence of hydrogen gas. These hexagonal crystals (lateral width >160 um) have a carrier mobility of 100 cm(2) V(-1) s(-1) and a photoresponsivity of ≈1100 mA W(-1), which is comparable to that of exfoliated flakes.
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Jianyi
authors.initials: J
authors.lastname: Chen
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Bo
authors.initials: B
authors.lastname: Liu
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Yanpeng
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Wei
authors.initials: W
authors.lastname: Tang
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Chang Tai
authors.initials: CT
authors.lastname: Nai
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Linjun
authors.initials: L
authors.lastname: Li
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Jian
authors.initials: J
authors.lastname: Zheng
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Libo
authors.initials: L
authors.lastname: Gao
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Yi
authors.initials: Y
authors.lastname: Zheng
authors.affiliation: Department of Chemistry, Department of Energy Engineering, Low Dimensional Carbon Materials Center, UNIST Central Research Facilities (UCRF) and Center for Multidimensional Carbon Materials, Institute of Basic Science, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 689-798, South Korea.
authors.forename: Hyun Suk
authors.initials: HS
authors.lastname: Shin
authors.affiliation: Department of Chemistry, Department of Energy Engineering, Low Dimensional Carbon Materials Center, UNIST Central Research Facilities (UCRF) and Center for Multidimensional Carbon Materials, Institute of Basic Science, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 689-798, South Korea.
authors.forename: Hu Young
authors.initials: HY
authors.lastname: Jeong
authors.affiliation: Centre for Advanced 2D Materials and Graphene Research Centre, Department of Chemistry, National University of Singapore, 6 Science Drive 2, 117546, Singapore.
authors.forename: Kian Ping
authors.initials: KP
authors.lastname: Loh
keywords: hexagonal crystals; transition metal dichalcogenides; tungsten diselenide