SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

|X| Form 10-K |_| Form 11-K |_| Form 20-F |_| Form 10-Q |_| Form N-SAR

For Period Ended: December 31, 2008

|_| Transition Report on Form 10-K |_| Transition Report on Form 10-Q |_| Transition Report on Form 20-F |_| Transition Report on Form N-SAR

For the Transition Period Ended: _________________________________________

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates:_________________________

PART I
REGISTRANT INFORMATION 

Full name of registrant Solar Thin Films, Inc.
Former name if applicable
Address of principal executive office 25 Highland Blvd.
City, state and zip code Dix Hills, New York 11746

PART II
RULE 12b-25 (b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25 (b), the following should be completed. (Check box if appropriate.) 

 (a) The reasons described in reasonable detail in Part III of this
 form could not be eliminated without unreasonable effort or
 expense;

 (b) The subject annual report, semi-annual report, transition
 report on Form 10-K, 20-F, 11-K or Form 10-Q, or portion
 thereof will be filed on or before the 15th calendar day
|X| following the prescribed due date; or the subject quarterly
 report or transition report on Form 10-Q, or portion thereof
 will be filed on or before the fifth calendar day following
 the prescribed due date; and

 (c) The accountant's statement or other exhibit required by Rule
 12b-25(c) has been attached if applicable.

PART III
NARRATIVE

State below in reasonable detail the reasons why Form 10-K, 11-K, 20-F, 10-Q, N-SAR or the transition report portion thereof could not be filed within the prescribed time period.

The Registrant is in the process of preparing and reviewing its financial information. The process of compiling and disseminating the information required to be included in the Form 10-K for the relevant fiscal year, as well as the completion of the required review of the Registrant's financial information, could not be completed without incurring undue hardship and expense. The Registrant undertakes the responsibility to file such annual report no later than fifteen days after its original due date.

PART IV
OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification

Robert M. Rubin (516) 417-8454

(Name) (Area Code) (Telephone Number)

(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If the answer is no, identify report(s).

|X| Yes |_| No

(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?

|_| Yes |X| No

If so: attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

Solar Thin Films, Inc. Name of Registrant as Specified in Charter.

Has caused this notification to be signed on its behalf by the undersigned thereunto duly authorized. 

Date: March 31, 2009 By:/s/ Robert M. Rubin
 ------------------------
 Robert M. Rubin
 Chief Financial Officer

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