Judul: Analisis tingkat Pengembalian Investasi Pendidikan di Provinsi Nanggroe Aceh Darussalam
Abstrak: Beberapa tahun terakhir ini Aceh menghadapi sekurang-kurangnya tiga permasalahan ekonomi, yaitu pertumbuhan ekonomi yang melambat, tingkat kemiskinan jauh lebih tinggi di atas angka nasional dan tingkat pengangguran yang melampaui angka rata-rata nasional. Ke depan, ekonomi Aceh busa jadi semakin memburuk seiring dengan menipisnya produksi minyak dan gas (migas), mengingat ketergantungan perekonomian Aceh terhadap migas yang sangat tinggi.
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Judul: Analisis Dampak Pembangunan Sektor Pertanian Terhadap Tingkat Kemiskinan dan Pertumbuhan Ekonomi di Provinsi Aceh
Abstrak: Aceh is one of the provinces in Indonesia which is the main source of the economy by the agricultural sector which is visible from the contribution to Gross Regional Domestic Product and labor absorption. In the last 5 years the agricultural sector Gross Regional Domestic Product continues to increase but the level of poverty in the province of Aceh are still relatively high and fluctuating economic growth as well as lower than the growth of the national economy. Therefore, the study aims to analyze the factors that influence the development of the agricultural sector and its impact on poverty and economic growth in the province of Aceh. This study uses secondary data with time series data type from 1993-2012 then processed and analyzed by using a simultaneous equation econometric models. The results showed that there is a relationship between agricultural output, poverty, and economic growth so that the increasing of government spending on the agricultural sector would reduce poverty and promote economic growth in the Province of Aceh
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell