He said the Bangabandhu Foundation has already started signature campaign in the USA and Canada where two of the convicted killers are staying.
Dr Momen was addressing a virtual meeting on Sunday organised by the Bangabandhu Foundation.
The Foreign Minister said they want to build Bangladesh as a peaceful country in the world.
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"Bangabandhu always laid emphasis on peace and people of Bangladesh are also peace-loving. We want to help the world know that Bangladesh and Bangabandhu are inseparable," he said.
Dr Momen said many try to brand Bangladesh as a poverty-stricken, cyclone-hit and corrupt country but Bangladesh is truly a land of opportunity with a very vibrant economy.
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Bangladesh is today a role model for development and a shining example of women empowerment, he said.
Dr Momen said both foreign investors and Bangladesh will be benefited equally as the return of investment is high in Bangladesh compared to neighbouring countries.
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He said Padma Bridge is another big victory for the country as Bangladesh could build the dream bridge due to Prime Minister Sheikh Hasina's strong commitment facing all the conspiracies.
"We’ll be able to build ‘Sonar Bangla’ if we can work as per the directives of the Prime Minister," he said.
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He said they want to build people-friendly, business-friendly and corruption-free Bangladesh.
Digital technology is helping in a big way to prevent corruption, Dr Momen said.
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Sheikh Kabir Hossain and leaders of Bangabandhu Foundation including its General Secretary Nurul Islam Thandu also spoke at the meeting.