Space and Satellite Solar Cells | Photovoltaics | Emcore Corporation

29.5% Minimum Average Efficiency
Triple Junction

EMCORE's 3rd Generation Triple-Junction (ZTJ) Solar Cells with n-on-p polarity is built on a 140-µm uniform thickness Ge substrate. It has a lowest solar cell mass of 84 mg/cm2 and is fully space-qualified with proven flight heritage

Features

Excellent radiation resistance with P/Po = 0.90 @ 1-MeV, 5E14 e/cm2 fluence
Designed to accept corner mounted silicon diode for individual cell reverse bypass protection
Good mechanical strength for reduced attrition during assembly and laydown
Weldable or solderable contacts
Standard and custom sizes available

Satellite solar assemblies and panels

28.5% Minimum Average Efficiency
Triple-Junction

EMCORE's 2nd Generation Triple-Junction (BTJ) Solar Cells with n-on-p polarity is built on a 140-µm uniform thickness Ge substrate. It has a lowest solar cell mass of 84 mg/cm2 and is fully space-qualified with proven flight heritage.

Features

Excellent radiation resistance with P/Po = 0.89 @ 1-MeV, 5E14 e/cm2 fluence
Designed to accept corner mounted silicon diode for individual cell reverse bias protection
Good mechanical strength for reduced attrition during assembly and laydown
Weldable or solderable contacts
Standard and custom sizes available

Satellite solar assemblies and panels

28.0% Minimum Average Efficiency
Triple-Junction with Monolithic Diode

EMCORE's Triple-Junction With Monolithic Diode (BTJM) Solar Cell with n-on-p polarity is built on a 140-µm uniform thickness Ge substrate. It has a low Solar Cell Mass of 84 mg/cm2 and is the highest efficiency flight cell with monolithic diode in the market. The BTJM has been in production at EMCORE since 2006.

Features

Excellent radiation resistance with P/Po = 0.89 @ 1-MeV, 5E14 e/cm2 fluence
Monolithically integrated bypass diode for reverse bias protection
Excellent mechanical strength for reduced attrition during assembly and laydown
Weldable or solderable contacts
Standard and custom sizes available

Triple Junction Solar Cell Monolithic Diode

Satellite solar assemblies and panels

27.5% Minimum Average Efficiency
Triple-Junction

EMCORE's Advanced Triple-Junction (ATJ) Solar Cells with n-on-p polarity is built on a 140-µm uniform thickness Ge substrate. It has a lowest solar cell mass of 84 mg/cm2 and is fully space-qualified with proven flight heritage in LEO and GEO environments. The Advanced Triple Junction solar cell has been in production at EMCORE since 2001.

Features

Excellent radiation resistance with P/Po = 0.89 @ 1-MeV, 5E14 e/cm2 fluence
Designed to accept corner mounted silicon bypass diode for individual cell reverse bias protection
Good mechanical strength for reduced attrition during assembly and laydown
Weldable or Solderable contacts
Standard and custom sizes available

Satellite solar assemblies and panels

27.0% Minimum Average Efficiency
Triple-Junction with Monolithic Diode

EMCORE's Advanced Triple-Junction (ATJ) Solar Cells with n-on-p polarity are built on a 140-µm uniform thickness Ge substrate. It has a low solar cell mass of 84 mg/cm2 and is fully space-qualified for GEO & LEO applications with proven flight heritage.

Features

Monolithically integrated bypass diode for reverse bias protectionFully
Excellent radiation resistance with P/Po = 0.89 @ 1-MeV, 5E14 e/cm2 fluence
Excellent mechanical strength for reduced attrition during assembly and laydown
Weldable or Solderable contacts
Standard and custom sizes available

Satellite solar assemblies and panels

Emcore Corporation, a world leader in compound semiconductor-based technologies, develops components and systems for the broadband, optical transport, space and terrestrial solar power markets.

Space Solar Cells

ZTJ Space Solar Cell

BTJ Space Solar Cell

BTJM Space Solar Cell

ATJ Advanced Space Solar Cell

ATJM Advanced Space Solar Cell