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當前位置:首頁   >  產品中心  >  二維材料  >  二維材料薄膜  >  基于藍寶石襯底的全區域覆蓋的單層二硒化錸

基于藍寶石襯底的全區域覆蓋的單層二硒化錸

簡要描述:This product contains full area coverage ReSe2 monolayers on c-cut sapphire substrates.

  • 產品型號:
  • 廠商性質:生產廠家
  • 更新時間:2018-07-16
  • 訪  問  量:866

詳細介紹

This product contains full area coverage ReSe2 monolayers on c-cut sapphire substrates. Sample size measures 1cm in size and the entire sample surface contains monolayer thick ReSe2 sheet. Synthesized full area coverage monolayer ReSe2 is highly crystalline, some regions also display significant crystalline anisotropy.

 

Sample Properties.

 

Sample size

1cm x 1cm square shaped

Substrate type

Sapphire c-cut (0001)

Coverage

Full monolayer coverage

Electrical properties

1.45 eV Anisotropic Semiconductor (Indirect Bandgap)

Crystal structure

Distorted Tetragonal Phase (1T’)

Unit cell parameters

a = 0.656 nm, b = 0.672 nm, c = 0.674 nm,

α = 91.74°, β = 105°, γ = 119°

Production method

Atmospheric Pressure Chemical Vapor Deposition (APCVD)

Characterization methods

Raman, angle resolved Raman spectroscopy,

photoluminescence, absorption spectroscopy TEM, EDS

Specifications

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 ReSe2 monolayers do not contain intentional dopants or defects. However, our technical staff can produce defected ReSe2 using α-bombardment technique.

 

 

 

Supporting datasets [for 100% Full area ReSe2 monolayers on c-cut Sapphire]

Transmission electron images (TEM) and angle resolved Raman spectroscopy measurements acquired from CVD grown full area coverage ReSe2 monolayers on c-cut sapphire confirming crystalline anisotropy

Energy dispersive X-ray spectroscopy (EDX) characterization on CVD grown full area coverage monolayer ReSe2 on c-cut sapphire

Raman spectroscopy measurement confirm monolayer nature of the CVD grown samples. Differential reflectance measurements clearly show band gap at 1.45 eV for monolayer ReS2 consistent with the existing literature values. PL spectrum does not show any PL signal due to indirect band nature.

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聯系我們

上海巨納科技有限公司 公司地址:上海市虹口區寶山路778號海倫國際大廈5樓   技術支持:化工儀器網
  • 聯系人:袁文軍
  • QQ:494474517
  • 公司座機:86-021-56830191
  • 郵箱:yuanwenjun@sunano.com.cn

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