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Safety Information

914290

Sigma-Aldrich

Tungsten disulfide quantum dots

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25 G
¥1,205.11
100 G
¥3,683.57

¥1,205.11

Estimated to ship on2025年9月29日Details

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25 G
¥1,205.11
100 G
¥3,683.57

About This Item

Empirical Formula (Hill Notation):
WS2
CAS Number:
12138-09-9
Molecular Weight:
247.97
MDL number:
MFCD00011467
UNSPSC Code:
12352302
NACRES:
NA.23

¥1,205.11

Estimated to ship on2025年9月29日Details

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form

liquid

Quality Level

100

SMILES string

[W](=S)=S

InChI

1S/2S.W

InChI key

ITRNXVSDJBHYNJ-UHFFFAOYSA-N

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1 of 4

This Item
GF10672938GF52059618GF61030011
Hafnium powder, 45 max. part. size (micron), weight 10 g, purity 95.0+%

GF96885387

Hafnium

Hafnium powder, max. particle size 45 micron, weight 20 g, purity 95.+%

GF10672938

Hafnium

Hafnium lump, 10 mm max. lump size, weight 100 g, purity 97.%

GF52059618

Hafnium

Hafnium lump, 10 mm max. lump size, weight 100 g, purity 97.%

GF61030011

Hafnium

form

powder

form

powder

form

lumps

form

lumps

assay

95.0%

assay

95.0%

assay

97.0%

assay

97%

mp

2227 °C (lit.)

mp

2227 °C (lit.)

mp

2227 °C (lit.)

mp

2227 °C (lit.)

density

13.3 g/cm3 (lit.)

density

13.3 g/cm3 (lit.)

density

13.3 g/cm3 (lit.)

density

13.3 g/cm3 (lit.)

bp

4602 °C (lit.)

bp

4602 °C (lit.)

bp

4602 °C (lit.)

bp

4602 °C (lit.)

General description

The transformation of 2D materials in QDs form supplement excellent properties from their quantum confinement effects, surface-volume ratio, solubility, edge-effects, tunable PL, ease to functionalize and fluorescence properties. These 2D QDs are demanding to impart new dimension to the 2D nanosheets and in order to advance to next level, the better understanding of the properties, synthesis methods and applications of 2D QDs are needed. The exciting optical properties of the WS2 QDs such as strong excitonic absorption bands covering the visible region, excellent excitonic fluorescence, highly tunable PL, atomically-thin structure, molecular size, biocompatibility, easy functionalization, enhanced photostability, higher molar extinction coefficients and long-term photostability make them attractive candidates for optical sensing.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

新产品
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCM3742

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    2D−Materials-Based Quantum Dots: Gateway Towards Next-Generation Optical Devices
    S. Dhanabalan
    Advanced Optical Materials, 1700257-1700257 (2017)
    Emerging 0D Transition-Metal Dichalcogenides for Sensors, Biomedicine, and Clean Energy
    B. Li
    Small, 13, 1700527-1700527 (2017)
    Research Update: Beyond graphene?Synthesis of functionalized quantum dots of 2D materials and their applications
    Musselman, et al.
    APL Materials, 6, 120701-120701 (2018)

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