/ Forward Slash Escape Character?

im having trouble getting this to work:

alter proc [ProGeneral_College_Structure] @Year nvarchar(4)
as
begin
DECLARE @SQLStatement nvarchar(1000)

Set @SQLStatement = 'SELECT School AS Level1Code, DIVISIONS.Div AS Level2Code,
DIVISIONS.ProgArea AS Level3Code, DIVISIONS.progName AS LevelName
, ' + SUBSTRING(@Year,1,2) + '/' + SUBSTRING(@Year,3,2) + ' AS AcademicYearID FROM DIVISIONS
WHERE (((DIVISIONS.[' + @Year + '])=1))
ORDER BY DIVISIONS.School, DIVISIONS.Div, DIVISIONS.ProgArea'

EXEC(@SQLStatement)
end

It's something to do with the / concatenation I think, is it an escape character or something tried // obviously and CHAR(47).
before I get comments I know it's dynamic sql and it's not great but I can't edit the divisions table so have to use a dynamic column.