Graphene on silicon nitride film coated silicon grids

Graphene on Silicon Nitride TEM Grids (2.5µm holes)CharacteristicsFour thicknesses of CVD grapheneAvailable in either 1, 2, 3-5 or 6-8 layersTEM Substrate200um thick 3.0mm hexagonal silicon substrate with a 0.5 x 0.5mm aperture and 200nm thick silicon nitride membrane with approximately 6,400 2.5um holesGraphene coverage of the TEM grid is better than 75%AppearanceSolid hexagonal disk with a greenish hue. The graphene film appears as a near-transparent to light-grey film on the surface of the microporous Silicon Nitride membrane.

Graphene on Silicon Nitride TEM Grids (2.5µm holes)

Characteristics

1. Four thicknesses of CVD graphene
   • Available in either 1, 2, 3-5 or 6-8 layers
2. TEM Substrate
   • 200um thick 3.0mm hexagonal silicon substrate with a 0.5 x 0.5mm aperture and 200nm thick silicon nitride membrane with approximately 6,400 2.5um holes
3. Graphene coverage of the TEM grid is better than 75%

Appearance

Solid hexagonal disk with a greenish hue. The graphene film appears as a near-transparent to light-grey film on the surface of the microporous Silicon Nitride membrane.

Technical Data

Specifications

Type	Thickness of the Graphene	Transparency	TEM Grid/AFM Substrate	Support Film
1 Layer	~0.35nm	~96.4%	Hexagonal Silicon	Silicon Nitride, 2.5um Holes
2 Layers	~0.7nm	~92.7%	Hexagonal Silicon	Silicon Nitride, 2.5um Holes
3-5 Layers	1.0-1.7nm	~85.8-90.4%	Hexagonal Silicon	Silicon Nitride, 2.5um Holes
6-8 Layers	2.1-2.8nm	~78.5-83.2%	Hexagonal Silicon	Silicon Nitride, 2.5um Holes

Guide to Substrated Grids